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FOC | Family List | FOC Vol. 16 | Convolvulaceae | Argyreia

19a. Argyreia osyrensis var. osyrensis

聚花白鹤藤 (原变种) ju hua bai he teng (yuan bian zhong)

Ipomoea osyrensis Roth, Nov. Pl. Sp. 117. 1821; Argyreia aggregata (Roxburgh) Choisy; Lettsomia aggregata Roxburgh; Lettsomia aggregata var. osyrensis (Roth) C. B. Clarke.

Leaf blade densely gray tomentose or woolly abaxially, sparsely strigose-villous adaxially, hairs with distinct swollen bases. Fl. Aug, fr. Dec.

Forests, thickets; near sea level. Hainan [?Bangladesh, ?Cambodia, India, Indonesia, Laos, ?Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam]

Specimens from the Deccan region in India have adaxially glabrous leaves, whereas those from east Asia, including China, are uniformly sparse hairy adaxially.


 

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