''Oedera'' is a genus of
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...
n
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 tribe
Gnaphalieae
The Gnaphalieae, commonly known as paper daisies, are a tribe of flowering plants in the family Asteraceae. It is most closely related to the tribes Anthemideae, Astereae, and Calenduleae.
Characteristics
This group is most diverse in South Ame ...
within the family
Asteraceae
Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...
. The genus is named in honor of the Danish botanist
Georg Christian Oeder
Georg Christian Edler von Oldenburg Oeder (3 February 172828 January 1791) was a German- Danish botanist, medical doctor, economist and social reformer. His name is particularly associated with the initiation of the plate work ''Flora Danica''.
...
.
The species have yellow central and ray florets in their
flower-heads. Their seeds all have a little crown of scales, and the leaves are often fragrant and unpalatable for stock grazing.
Species
Species accepted by the
Plants of the World Online
Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew.
History
Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...
as of March 2024:
*''
Oedera acerosa''
*''
Oedera calycina''
*''
Oedera capensis''
*''
Oedera conferta''
*''
Oedera corymbosa''
*''
Oedera decussata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera dieterlenii
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera epaleacea''
*''
Oedera flavicoma''
*''
Oedera foveolata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera fruticosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera garnotii''
*''
Oedera genistifolia''
*''
Oedera glandulosa
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera hirta
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera humilis
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera imbricata''
*''
Oedera intermedia
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera laevis
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera longipes
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera montana''
*''
Oedera muirii
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera multipunctata
''Oedera'' is a genus of African flowering plants in the tribe Gnaphalieae within the family Asteraceae. The genus is named in honor of the Danish botanist Georg Christian Oeder.
The species have yellow central and ray florets in their flower- ...
''
*''
Oedera nordenstamii''
*''
Oedera oppositifolia''
*''
Oedera pungens''
*''
Oedera relhanioides''
*''
Oedera resinifera''
*''
Oedera rotundifolia''
*''
Oedera sedifolia''
*''
Oedera silicicola''
*''
Oedera spathulifolia''
*''
Oedera speciosa''
*''
Oedera spinescens''
*''
Oedera squarrosa''
*''
Oedera steyniae''
*''
Oedera tricephala''
*''
Oedera uniflora''
*''
Oedera virgata''
*''
Oedera viscosa''
Formerly included
See ''
Flaveria
''Flaveria'' is a genus of plants in the family Asteraceae. They are sometimes called yellowtops. Some are annual or perennial herbs and some are shrubs. They bear yellow flowers in heads, with zero, one, or two ray florets in each head. These p ...
Heterolepis
''Heterolepis'' is a genus of flowering plants in the sunflower family.Per Ola Karis. 2007. "Arctotideae" pages 200-207. In: Klaus Kubitzki (series editor); Joachim W. Kadereit and Charles Jeffrey (volume editors). ''The Families and Genera of ...
Hirpicium
''Gorteria'' is a genus of small annual herbaceous plants or shrubs that is assigned to the daisy family (Compositae or Asteraceae). It includes 12 species native to eastern and southern Africa, ranging from Ethiopia to South Africa. Like in al ...
''
* ''Oedera aliena''
L.f. - ''
Heterolepis aliena''
(L.f.) Druce
* ''Oedera alienata''
Thunb. - ''
Hirpicium alienatum''
(Thunb.) Druce
* ''Oedera trinervia''
Spreng. - ''
Flaveria trinervia
''Flaveria trinervia'' is a species of flowering plant in the family Asteraceae known by the common names clustered yellowtops, speedyweed, and yellow twinstem. It is native to parts of the Americas, including the southeastern and southwestern Un ...
''
(Spreng.) C.Mohr
References
Flora of Africa
Asteraceae genera
{{Gnaphalieae-stub