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41. Pentasachme Wallich ex Wight, Contr. Bot. India. 60. 1834.

石萝藦属 shi luo mo shu

Description from Flora of China

Pentasacme G. Don.

Herbs perennial, erect, often growing in or near flowing water. Leaves opposite, narrow. Cymes racemelike or umbel-like. Pedicel threadlike. Calyx with basal glands. Corolla rotate or subcampanulate; tube short; lobes narrow, longer than tube, twisted to right. Corona lobes 5, inserted on corolla tube, apical appendages denticulate or lobed. Filaments connate into a short tube; anthers erect, apex membranous and inflexed on base of stigma head; pollinia 2 per pollinarium, erect, ovoid, apex with a small translucent beak. Stigma head conical or flat, apex 2-cleft. Follicles cylindric-lanceolate, smooth.

Four species: Bangladesh, Bhutan, China, India, Malaysia, Myanmar, Nepal, Singapore, Thailand, Vietnam; one species in China.


 

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