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FOC | Family List | FOC Vol. 16 | Asclepiadaceae

38. Pentastelma Tsiang & P. T. Li, Fl. Hainan. 3: 577. 1974.

白水藤属 bai shui teng shu

Lianas. Leaves opposite, petiolate. Cymes axillary. Flower buds ovoid, apex acute. Calyx with basal glands. Corolla subcampanulate; lobes longer than tube, overlapping to right. Corona lobes 5, adnate to gynostegium, fleshy, with lateral vertical processes. Filaments connate into a tube; anthers appressed against stigma, apical appendages incurved; pollinia 2 per pollinarium. Stigma head discoid, apex slightly convex.

One species: endemic to China.

The protologue describes the pollinia as pendulous, but Pentastelma otherwise shows many similarities to Tylophora, suggesting that the anther morphology needs reexamination.

Lower Taxon


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