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Heartleaf Spinefruit Vine
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Heartleaf Spinefruit Vine
P Native Photo: M. Sawmliana
Common name: Heartleaf Spinefruit Vine • Bengali: নীলভুট্টা Nilbhutta • Chinese: 刺果藤 Ci guo teng • Mizo: Zâwngluanghrui
Botanical name: Ayenia grandifolia    Family: Malvaceae (Mallow family)
Synonyms: Byttneria grandifolia, Byttneria aspera, Byttneria nepalensis

Heartleaf Spinefruit Vine is a big climbing shrub with branchlets sparsely finely velvet-hairy when young. Leaf-stalks are 2-8 cm, hairy; leaf blade broadly ovate, heart-shaped, or nearly round, 7-23 x 5.5-16 cm, below white finely velvet-hairy, above hairless, basal veins 5, base heart-shaped, margin entire, tip blunt or pointed. Flowers are reddish, minute, 4-6 mm across, borne in leaf axils, in much-branched umbel-like cymes. Petals are yellowish white, and purple-red above, tip 2-lobed, with long strap-shaped appendix, nearly as long as sepals. Sepals are ovate, about 2 mm, finely velvet-hairy, tip pointed. Capsule are spherical or ovoid-spherical, 3-4 cm in diameter, spiny, spines short and robust, finely velvet-hairy. Heartleaf Spinefruit Vine is is found in open forests, valley streamsides, at altitudes of 200-300 m, in NE India, Bangladesh, Bhutan, Cambodia, Laos, Nepal, Thailand, Vietnam, China. Flowering: May-December.

Identification credit: M. Sawmliana Photographed in Thenhlum, Lunglei district, Mizoram.

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