Biology:Dregea
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Short description: Genus of flowering plants
| Dregea | |
|---|---|
| |
| Dregea sinensis | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Tribe: | Marsdenieae |
| Genus: | Dregea E.Mey. (1838), conserved name, not Eckl. & Zeyh. (1837) |
| Type species | |
| Dregea floribunda E.Mey.
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| Synonyms[1] | |
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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.[1]
Description
As given in Flora of British India, Vol. 4 (1883):[2]
- "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
(As of February 2023), Plants of the World Online accepted the following species:[1]
- Dregea arabica Decne., syn. Marsdenia robusta – Socotra, mainland Yemen
- Dregea cuneifolia Tsiang & P.T.Li - Guangxi Province in China
- Dregea floribunda E.Mey. - South Africa
- Dregea schumanniana (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
- ↑ 1.0 1.1 1.2 "Dregea E.Mey.". Plants of the World Online. Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:331574-2.
- ↑ Hooker, J.D. (1885) [1883]. Flora of British India. 4. London: L. Reeve & Co.. p. 46. https://archive.org/details/in.ernet.dli.2015.76721/page/n49/mode/2up?view=theater. Retrieved 7 June 2022.
External links
Wikidata ☰ Q3039314 entry
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