''Dregea'' is a genus of vines in the

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 Members of the ...

, established by Ernst Meyer in 1838. It is native to southern Africa,

Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...

and eastern Asia from China to

Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...

Description

As given in Flora of British India, Vol. 4 (1883): :"Twining shrubs, glabrous or hoary. Leaves opposite, ovate or cordate, acuminate. Cymes axillary, umbelliform; flowers green. Sepals small. Corolla rotate, lobes broad, overlapping to the right. Coronal scales 5, hemispheric, fleshy, adnate to the column, spreading, inner angle cuspidate, the tooth incumbent on the anthers. Column very short, fleshy; anther-tips short inflexed ; pollen-masses one in each cell, cylindric-ohlong, shortly pedicelled, waxy, erect. Stigma conical or dome-shaped. Follicles thick, hard, winged or ribbed. Seeds comose."

Species

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...

accepted the following species: * '' Dregea arabica'' Decne., syn. ''Marsdenia robusta'' – Socotra, mainland Yemen * ''

Dregea cuneifolia ''Dregea'' is a genus of vines in the Apocynaceae, established by Ernst Meyer in 1838. It is native to southern Africa, Yemen and eastern Asia from China to Sulawesi. Description As given in Flora of British India, Vol. 4 (1883): :"Twining shrub ...

'' Tsiang & P.T.Li - Guangxi Province in China * ''

Dregea floribunda ''Dregea'' is a genus of vines in the Apocynaceae, established by Ernst Meyer in 1838. It is native to southern Africa, Yemen and eastern Asia from China to Sulawesi. Description As given in Flora of British India, Vol. 4 (1883): :"Twining shrub ...

'' E.Mey. - South Africa * ''

Dregea schumanniana ''Dregea'' is a genus of vines in the Apocynaceae, established by Ernst Meyer in 1838. It is native to southern Africa, Yemen and eastern Asia from China to Sulawesi. Description As given in Flora of British India, Vol. 4 (1883): :"Twining shrub ...

'' (Warb.) Schneidt, Liede & Meve * '' Dregea sinensis'' Hemsl. - China (Gansu, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Shaanxi, Shanxi, Sichuan, Tibet, Yunnan, Zhejiang) * '' Dregea stellaris'' (Ridl.) Ridl. * '' Dregea taynguyenensis'' T.B.Tran & Rodda * '' Dregea yunnanensis'' (Tsiang) Tsiang & P.T.Li - China (Gansu, Sichuan, Tibet, Yunnan) ;Former species include: * ''Dregea volubilis'' (L.f.) Benth. ex Hook.f. → '' Wattakaka volubilis''

References

External links

photo of herbarium specimen at Missouri Botanical Garden, ''Dregea floribunda'', collected in South Africa
{{Taxonbar, from=Q3039314 Asclepiadoideae