Amsonia
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''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 Dogbane, dog-bane (plant), bane, dog's bane, and other variations, some of them regional and some transient, are names for certain plants that are reputed to kill or repel dogs; "Bane (plant), bane" originally meant "slayer", and was later appli ...
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 John Amson (1698 – death unknown, possibly 1765) was an English physician and amateur botanist who moved to Virginia and served as alderman and mayor of Williamsburg, during the Colonial period, from 1750 to 1751. Biography Amson owned lot ...
. Members of the genus are commonly known as bluestars. ;SpeciesBiota 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 ''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 ...
'' S.P.McLaughlin – San Antonio bluestar – New Mexico # ''
Amsonia grandiflora ''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 h ...
'' 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 ''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 h ...
'' Woodson – Ozark bluestar – Mississippi Valley, also Nevada # ''
Amsonia jonesii ''Amsonia jonesii'' is a plant in the bluestar genus ''Amsonia'' known by the common name Colorado desert bluestar. It is in the dogbane family, but a separate genus. It grows in the deserts surrounding the Colorado River in the United States. I ...
'' Woodson – Jones' bluestar – Arizona, New Mexico, Utah, Colorado # ''
Amsonia kearneyana ''Amsonia kearneyana'' is a rare species of flowering plant in the dogbane family known by the common name Kearney's bluestar. It is native to Arizona, where there is only one native population in the Baboquivari Mountains of Pima County. There ...
'' Woodson – Kearney's bluestar – Baboquivari in Pima Co. in Arizona # ''
Amsonia longiflora ''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 ...
'' Torr. – tubular bluestar – Arizona, New Mexico, Texas, Coahuila # ''
Amsonia ludoviciana ''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 ...
'' Vail – Louisiana bluestar – Louisiana, Mississippi, Georgia # ''
Amsonia orientalis ''Amsonia orientalis'', the European bluestar, is a species of flower in the dogbane family. It is found in European Turkey, and may be extirpated from Greece. Other historical populations appear to be lost. It is threatened by habitat loss, co ...
'' Decne. – European bluestar – Greece, Turkey # ''
Amsonia palmeri ''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 ...
'' 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 ''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 ...
'' 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