''Argostemma'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Rubiaceae
Rubiaceae () is a family (biology), family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with Petiole ( ...
. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*''
Argostemma acuminatissimum''
Ridl.
*''
Argostemma aequifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Ridl.
*''
Argostemma africana''
K.Schum.
*''
Argostemma angustifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Miq.
*''
Argostemma anisophyllum''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma annamiticum''
Ridl.
*''
Argostemma anupama
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Sivar.
*''
Argostemma apiculatum''
B.Bremer
*''
Argostemma arachnosum''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma attenuatum''
Valeton
*''
Argostemma bariense
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Pierre ex Pit.
*''
Argostemma begoniaceum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Miq.
*''
Argostemma bicolor
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma bifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Ridl.
*''
Argostemma borragineum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Blume ex DC.
Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...
*''
Argostemma brachyantherum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Stapf
*''
Argostemma brevicaule''
Valeton
*''
Argostemma brookei''
B.Bremer
*''
Argostemma bryophilum''
K.Schum.
*''
Argostemma burttii''
B.Bremer
*''
Argostemma buwaldae''
Bakh.f.
*''
Argostemma calcicola''
B.Bremer
*''
Argostemma callitrichum''
Valeton
*''
Argostemma carstensense''
Wernham
*''
Argostemma chaii''
B.Bremer
*''
Argostemma coenosciadicum''
Suringar
*''
Argostemma concinnum''
Hemsl.
*''
Argostemma condensum''
Craib
*''
Argostemma courtallense''
Arn.
George Arnott Walker Arnott of Arlary (6 February 1799 – 17 April 1868) was a Scottish botanist. He collaborated with botanists from around the world and served as a regius professor of botany at the University of Glasgow. An orchid genus ' ...
*''
Argostemma cordatum''
Nuraliev[''Argostemma cordatum'' (Rubiaceae), a new species from Vietnam](_blank)
MAXIM S. NURALIEV, ANTON S. BEER, ANDREY N. KUZNETSOV, SVETLANA P. KUZNETSOVA. Phytotaxa Vol 317, No 1 PP 42–52 11 August 2017
*''
Argostemma crassinerve
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Valeton
*''
Argostemma debile''
Ridl.
*''
Argostemma densifolium''
Ridl.
*''
Argostemma denticulatum''
Ridl.
*''
Argostemma discolor''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma dispar''
Craib
*''
Argostemma distichum''
Valeton
*''
Argostemma diversifolium''
Ridl.
*''
Argostemma dulitense''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma ebracteolatum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Geddes
*''
Argostemma elatostemma''
Hook.f.
Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For 20 years he served as director of the Ro ...
*''
Argostemma elongatum''
Ridl.
*''
Argostemma enerve''
Ridl.
*''
Argostemma epitrichum''
Valeton
*''
Argostemma fallax''
Bakh.f.
*''
Argostemma fasciculata''
Sridith & K.Larsen
*''
Argostemma flavescens''
Bakh.f.
*''
Argostemma fragile''
Geddes
*''
Argostemma gaharuense''
B.Bremer
*''
Argostemma geesinkii''
B.Bremer
*''
Argostemma gracile''
Stapf
*''
Argostemma grandiflorum''
Ridl.
*''
Argostemma griseum''
Valeton
*''
Argostemma hainanicum''
H.S.Lo
*''
Argostemma hameliifolium''
Wernham
*''
Argostemma havilandii''
Ridl.
*''
Argostemma hirsutum''
Ridl.
*''
Argostemma hirtellum''
Ridl.
*''
Argostemma hirtum''
Ridl.
*''
Argostemma hookeri''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma humifusum''
W.W.Sm.
*''
Argostemma humile''
Benn.
*''
Argostemma inaequale''
Benn.
*''
Argostemma inaequilaterum''
Benn.
*''
Argostemma invalidum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Ridl.
*''
Argostemma jabiense''
Valeton
*''
Argostemma johorense''
Ridl.
*''
Argostemma junghuhnii''
Miq.
*''
Argostemma khasianum''
C.B.Clarke
*''
Argostemma klossii''
Ridl.
*''
Argostemma korthalsii''
Miq.
*''
Argostemma kurzii''
C.B.Clarke
*''
Argostemma laeve
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Benn.
*''
Argostemma laevigatum''
Benn.
*''
Argostemma lanceolarium''
Ridl.
*''
Argostemma lanceolatum''
Ridl.
*''
Argostemma laxum''
Geddes
*''
Argostemma linearifolium''
Valeton
*''
Argostemma linguafelis''
Wernham
*''
Argostemma lobbii''
Hook.f.
Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For 20 years he served as director of the Ro ...
*''
Argostemma lobulatum''
Craib
*''
Argostemma longifolium''
Benn.
*''
Argostemma longistimula''
Ridl.
*''
Argostemma longistipula''
Ridl.
*''
Argostemma macrosepalum''
Miq.
*''
Argostemma maquilingense''
Elmer
*''
Argostemma monophyllum''
Ridl.
*''
Argostemma montanum''
Blume ex DC.
Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...
*''
Argostemma montense''
Ridl.
*''
Argostemma montisdoormannii''
Valeton
*''
Argostemma moultonii''
Ridl.
*''
Argostemma multinervium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Ridl.
*''
Argostemma muscicola''
Ridl.
*''
Argostemma nanum''
Valeton
*''
Argostemma neesianum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Walp.
*''
Argostemma nervosum''
Ridl.
*''
Argostemma neurocalyx''
Miq.
*''
Argostemma neurosepalum''
Bakh.f.
*''
Argostemma nigrum''
M.R.Hend.
*''
Argostemma nutans''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma oblongum''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma oliganthum''
Kurz
Kurz is a German-language surname. Notable people with the surname include:
* Heinz D. Kurz (born 1946), Austrian economics professor
* Hermann Kurz (1813–1873), German poet and novelist
* Isolde Kurz (1853–1944), German poet and short story ...
*''
Argostemma ophirense
''Argostemma ophirense'' is a species of herbaceous flowering plant in the family Rubiaceae. It can be found on ground or on rocks in the rainforests of Thailand, Malaysia, and Borneo.
References
Argostemmateae
Taxa named by Joseph Dal ...
''
Maingay ex Hook.f.
Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For 20 years he served as director of the Ro ...
*''
Argostemma parishii''
Hook.f.
Sir Joseph Dalton Hooker (30 June 1817 – 10 December 1911) was a British botanist and explorer in the 19th century. He was a founder of geographical botany and Charles Darwin's closest friend. For 20 years he served as director of the Ro ...
*''
Argostemma parvifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Benn.
*''
Argostemma parvum''
Geddes
*''
Argostemma pauciflorum''
Blume ex DC.
Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...
*''
Argostemma pedicellatum''
Elmer
*''
Argostemma pedunculosum''
Miq.
*''
Argostemma perakense''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma perplexum''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
& L.M.Perry
*''
Argostemma pictum''
Wall.
Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...
*''
Argostemma phyllocharis''
*''
Argostemma plumbeum''
Craib
*''
Argostemma propinquum''
Ridl.
*''
Argostemma psychotrichoides''
Ridl.
*''
Argostemma puffii''
Sridith
*''
Argostemma pulchellum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Geddes
*''
Argostemma pumilum''
Benn.
*''
Argostemma pusillum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Valeton
*''
Argostemma pygmaeum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Valeton
*''
Argostemma quarantena''
Balan
*''
Argostemma reptans
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Ridl.
*''
Argostemma ridleyi''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma riparium''
Ridl.
*''
Argostemma roemeri''
Valeton
*''
Argostemma rostratum''
Wall.
Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...
*''
Argostemma rotundicalyx
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Sridith
*''
Argostemma rugosum''
Ridl.
*''
Argostemma rupestre''
Ridl.
*''
Argostemma rupestrinum''
Elmer
*''
Argostemma sarmentosum''
Wall.
Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...
*''
Argostemma saxatile
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Chun & F.C.How ex W.C.Chen
*''
Argostemma sessilifolium''
Ridl.
*''
Argostemma siamense''
Puff
*''
Argostemma solaniflorum''
Elmer
*''
Argostemma squalens''
Ridl.
*''
Argostemma stellare''
Ridl.
*''
Argostemma stellatum''
Craib
*''
Argostemma stenophyllum''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma subcrassum''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma subfalcifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Bakh.f.
*''
Argostemma subinaequale''
Benn.
*''
Argostemma succulentum''
Ridl.
*''
Argostemma sumatranum''
Boerl. & Koord.
*''
Argostemma tavoyanum''
Wall.
Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...
ex Benn.
*''
Argostemma tenue''
Ridl.
*''
Argostemma teysmannianum''
Miq.
*''
Argostemma thaithongae''
Sridith
*''
Argostemma timorense''
Benn.
*''
Argostemma trichanthum''
Ridl.
*''
Argostemma trichosanthes''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma triflorum''
Ridl.
*''
Argostemma uniflorum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Blume ex DC.
Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...
*''
Argostemma unifolioloides
''Argostemma'' is a genus of flowering plants in the Family (biology), family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*''Argostemma acuminatissimum'' Henry Nicholas Ridley, Ridl.
* ...
''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma unifolium
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
Benn.
*''
Argostemma urticifolium''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma variegatum
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*''Argostemma aequifolium'' Ridl.
*'' A ...
''
Merr.
Elmer Drew Merrill (October 15, 1876 – February 25, 1956) was an American botanist and taxonomist. He spent more than twenty years in the Philippines where he became a recognized authority on the flora of the Asia-Pacific region. Through ...
*''
Argostemma verticillatum''
Wall.
Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...
*''
Argostemma victorianum''
Nob.Tanaka
*''
Argostemma viscidum''
Ridl.
*''
Argostemma wallichii''
Walp.
*''
Argostemma wollastonii''
Wernham
*''
Argostemma wrayi''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma yappii
''Argostemma'' is a genus of flowering plants in the family Rubiaceae. It can be found in (sub)tropical Asia and western and west-central tropical Africa.
Species
*'' Argostemma acuminatissimum'' Ridl.
*'' Argostemma aequifolium'' Ridl.
*'' ...
''
King
King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
*''
Argostemma yunnanense''
F.C.How ex S.H.Lo
References
External links
''Argostemma'' in the World Checklist of Rubiaceae
{{Taxonbar, from=Q4789719
Rubiaceae genera
Argostemmateae