The Asclepiadoideae are a subfamily of plants in the family Apocynaceae. Formerly, they were treated as a separate family under the name Asclepiadaceae, e.g. by APG II, and known as the milkweed family.
The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It includes basic bibliographical details associated with the names. Its goals include eliminating the need for repeated reference to primary sources for basic bibliographic information about plant names.
Cynanchum is a genus of about 300 species including some swallowworts, belonging to the family Apocynaceae. The taxon name comes from Greek kynos and anchein, hence the common name for several species is dog-strangling vine. Most species are non-succulent climbers or twiners. There is some evidence of toxicity.
Talinum is a genus of herbaceous succulent plants in the family Talinaceae whose common names include fameflower. Several species bear edible leaves, and Talinum fruticosum is widely grown in tropical regions as a leaf vegetable. Talinum paniculatum is grown as an ornamental plant.
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 honor of the American physician John Amson. Members of the genus are commonly known as bluestars.
- Amsonia ciliataWalter – fringed bluestar – SE US, S Great Plains
- Amsonia elliptica(Thunb. ex Murray) Roem. & Schult. – Japanese bluestar – China, Japan, Korea
- Amsonia fugateiS.P.McLaughlin – San Antonio bluestar – New Mexico
- Amsonia grandifloraAlexander – Arizona bluestar – Arizona, Sonora, Durango
- Amsonia hubrichtiiWoodson – Hubricht's bluestar – Arkansas, Oklahoma
- Amsonia illustrisWoodson – Ozark bluestar – Mississippi Valley, also Nevada
- Amsonia jonesiiWoodson – Jones' bluestar – Arizona, New Mexico, Utah, Colorado
- Amsonia kearneyanaWoodson – Kearney's bluestar – Baboquivari in Pima Co. in Arizona
- Amsonia longifloraTorr. – tubular bluestar – Arizona, New Mexico, Texas, Coahuila
- Amsonia ludovicianaVail – Louisiana bluestar – Louisiana, Mississippi, Georgia
- Amsonia orientalisDecne. – European bluestar – Greece, Turkey
- Amsonia palmeriA.Gray – Palmer's bluestar – Arizona, New Mexico, Texas, Sonora, Chihuahua
- Amsonia peeblesiiWoodson – Peebles' bluestar – Arizona
- Amsonia repensShinners – creeping bluestar – E Texas, SW Louisiana
- Amsonia rigidaShuttlw. ex Small – stiff bluestar – from Georgia to Louisiana
- Amsonia tabernaemontanaWalter – eastern bluestar – S + C + E United States
- Amsonia tharpiiWoodson – feltleaf bluestar – W Texas, SE New Mexico
- Amsonia tomentosaTorr. & Frém. – woolly bluestar – SW US; Chihuahua
Neoconopodium is a genus of flowering plant in the family Apiaceae, native to Pakistan and the western Himalayas. It may be subsumed into the genus Kozlovia.
Gonolobus is a genus of plant in family Apocynaceae, first described in 1803. It is native to South America, Central America, Mexico, the West Indies, and the southern United States.
Matelea is a genus of flowering plants in the family Apocynaceae. It contains about 200 species, which are commonly known as milkvines. Some people consider Chthamalia to be a synonym to or a subgenus of Matelea.
Orbexilum, commonly called leather-root, is a genus of flowering plants in the legume family (Fabaceae). They are native to North America, where they are found in the United States and Mexico, south to Chiapas.
Funastrum is a genus of flowering plant now in the family Apocynaceae. The name is derived from the Latin word funis, meaning "rope", and astrum, alluding to the twining stems. Members of the genus are commonly known as twinevines.
Chenopodiastrum is a genus of herbaceous flowering plants in the family Amaranthaceae. The genus was formally described in 2012. The 5 species occur in Eurasia, North Africa, and North America.
Polystemma is a genus of flowering plants of the family Apocynaceae first established as a genus in 1844. It is native to Mexico and Central America.
Calyptridium is a genus of flowering plants belonging to the family Montiaceae.
Johnstonella is a genus of flowering plants belonging to the family Boraginaceae.
Moussonia is a genus of plants in the family Gesneriaceae. Its native range stretches from Mexico to Central America. It is found in Costa Rica, El Salvador, Guatemala, Honduras, Mexico and Panamá.
Ruehssia is a genus of plants in the family Apocynaceae. It is also in the Asclepiadoideae subfamily and Marsdenieae tribe.
