''Asclepias viridiflora'', is commonly known as green comet milkweed, green-flower milkweed, and green milkweed. It is a widely distributed species of milkweed (''Asclepias''), known from much of the eastern and central United States from

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

, as well as southern

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. The Latin specific epithet ''viridiflora'' means green-flowered. ''Asclepias viridiflora'' is an erect to ascending herb up to 50 cm tall, with distinctive greenish-white flowers. The pods lack the warts and tubercules common on other species of

Asclepias ''Asclepias'' is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. Most species are toxic to humans ...

. It grows in moist to dry shaded roadsides, fields, and prairies.

Conservation status

It is listed as endangered in

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

, as threatened in

New York (state) New York, officially the State of New York, is a state in the Northeastern United States. It is often called New York State to distinguish it from its largest city, New York City. With a total area of , New York is the 27th-largest U.S. stat ...

, and as endangered in

Native American Ethnobotany

The

Blackfoot The Blackfoot Confederacy, ''Niitsitapi'' or ''Siksikaitsitapi'' (ᖹᐟᒧᐧᒣᑯ, meaning "the people" or " Blackfoot-speaking real people"), is a historic collective name for linguistically related groups that make up the Blackfoot or Bla ...

apply a poultice of chewed roots to swellings, rashes, sore gums of nursing infants, and sore eyes. They also chew the root for sore throats, use the plant to spice soups, and use the fresh roots for food. The

Brulé The Brulé are one of the seven branches or bands (sometimes called "sub-tribes") of the Teton (Titonwan) Lakota American Indian people. They are known as Sičhą́ǧu Oyáte (in Lakȟóta) —Sicangu Oyate—, ''Sicangu Lakota, o''r "Burnt T ...

Lakota Lakota may refer to: *Lakota people, a confederation of seven related Native American tribes *Lakota language, the language of the Lakota peoples Place names In the United States: *Lakota, Iowa *Lakota, North Dakota, seat of Nelson County *Lakota ...

give pulverized roots to children with diarrhea, and an infusion of the whole plant is taken by mothers to increase their milk.Rogers, Dilwyn J, 1980, Lakota Names and Traditional Uses of Native Plants by Sicangu (Brule) People in the Rosebud Area, South Dakota, St. Francis, SD. Rosebud Educational Society, page 34

References

{{Taxonbar, from=Q723114 viridiflora Flora of Canada Flora of the United States Plants described in 1808 Plants used in Native American cuisine Plants used in traditional Native American medicine Taxa named by Constantine Samuel Rafinesque