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

18b. Merremia boisiana var. fulvopilosa (Gagnepain) van Ooststroom, Blumea. 3: 344. 1939.

黄毛金钟藤 huang mao jin zhong teng

Ipomoea boisiana Gagnepain var. fulvopilosa Gagnepain, Notul. Syst. (Paris) 3: 142. 1915; I. boisiana var. rufopilosa Gagnepain; Merremia boisiana var. rufopilosa (Gagnepain) C. Y. Wu.

Branchlets, petioles, leaves, peduncles, and pedicels grayish yellow tomentose. Outer sepals 1-1.3 cm. Corolla ca. 3.2 cm.

Forest margins, shaded areas in valleys, riversides; 500-1300 m. S Guangxi, SE Yunnan [Vietnam]

Gagnepain's protologue and also van Ooststroom's diagnosis for Merremia boisiana var. fulvopilosa (Blumea 3: 344. 1939) state that this variety is distinguished by the rufous pilose to tomentose indumentum, the shorter and more crowded inflorescence branches, and the circular to transversely elliptic, glabrous sepals that are 5-7 mm. Chinese specimens differ significantly in these characters, and it is possible that they are a different taxon.

The entire plant is used medicinally to treat arthritis.


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