''Amsonia'' 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
dogbane family,
Apocynaceae
Apocynaceae (, from '' Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Notable mem ...
, first described as a genus in 1788. It is native primarily to
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
with one species in
East Asia
East Asia is a geocultural region of Asia. It includes China, Japan, Mongolia, North Korea, South Korea, and Taiwan, plus two special administrative regions of China, Hong Kong and Macau. The economies of Economy of China, China, Economy of Ja ...
and another in the eastern
Mediterranean
The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...
.
[Flora of China Vol. 16 Page 156 水甘草属 shui gan cao shu ''Amsonia'' Walter, Fl. Carol. 98. 1788. ]
/ref> It was named in honor of the American physician John Amson. Members of the genus are commonly known as bluestars.[Biota of North America Program 2013 county distribution maps]
/ref>[
# '']Amsonia ciliata
''Amsonia ciliata'', the fringed bluestar, is a North American species 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, ...
'' Walter – fringed bluestar – SE US, S Great Plains
# ''Amsonia elliptica
''Amsonia'' is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean. It was named in ...
'' (Thunb. ex Murray) Roem. & Schult. – Japanese bluestar – China, Japan, Korea
# '' Amsonia fugatei'' S.P.McLaughlin – San Antonio bluestar – New Mexico
# '' Amsonia grandiflora'' Alexander – Arizona bluestar – Arizona, Sonora, Durango
# ''Amsonia hubrichtii
''Amsonia hubrichtii'', commonly known as Hubricht's bluestar, Arkansas bluestar, or thread-leaf bluestar, is a North American species of perennial flowering plant in the Apocynaceae (dogbane) family, first described in 1943. It is native to Okla ...
'' Woodson – Hubricht's bluestar – Arkansas, Oklahoma
# '' Amsonia illustris'' Woodson – Ozark bluestar – Mississippi Valley, also Nevada
# '' Amsonia jonesii'' Woodson – Jones' bluestar – Arizona, New Mexico, Utah, Colorado
# '' Amsonia kearneyana'' Woodson – Kearney's bluestar – Baboquivari in Pima Co. in Arizona
# '' Amsonia longiflora'' Torr. – tubular bluestar – Arizona, New Mexico, Texas, Coahuila
# '' Amsonia ludoviciana'' Vail – Louisiana bluestar – Louisiana, Mississippi, Georgia
# '' Amsonia orientalis'' Decne. – European bluestar – Greece, Turkey
# '' Amsonia palmeri'' A.Gray – Palmer's bluestar – Arizona, New Mexico, Texas, Sonora, Chihuahua
# ''Amsonia peeblesii
''Amsonia'' is a genus of flowering plants in the Apocynum, dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean. It was ...
'' Woodson – Peebles' bluestar – Arizona
# '' Amsonia repens'' Shinners – creeping bluestar – E Texas, SW Louisiana
# ''Amsonia rigida
''Amsonia'' is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean. It was named in ...
'' Shuttlw. ex Small – stiff bluestar – from Georgia to Louisiana
# ''Amsonia tabernaemontana
''Amsonia tabernaemontana'', the eastern bluestar, is a North American species of flowering plant in the family Apocynaceae, found in central and eastern North America.
Gallery
File:Amsonia tabernaemontana kz01.jpg, Detail of inflorescence
File: ...
'' Walter – eastern bluestar – S + C + E United States
# ''Amsonia tharpii
''Amsonia tharpii'' is a species of flowering plant in the family Apocynaceae, known by the common names Tharp's bluestar and feltleaf bluestar. It is native to New Mexico and Texas in the United States.[Amsonia tomentosa
''Amsonia tomentosa'' is a species of flowering plant native to the southwestern United States (S California, S Nevada, Utah, Arizona, New Mexico, W Texas) and northern Mexico ( Chihuahua). Its common names include woolly bluestar and gray amsoni ...]
'' Torr. & Frém. – woolly bluestar – SW US; Chihuahua
References
Apocynaceae genera
{{Apocynaceae-stub