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Chinese Plant Names | Family List | Orchidaceae | Renanthera

Renanthera coccinea Lour.


Description from Flora of China

Stems climbing, terete, more than 1 m, stout, ca. 1.5 cm in diam., usually unbranched, internodes 3-4 cm. Leaf blade ligulate or oblong, 7-8 × 1.5-3.3 cm, somewhat unequally obtusely bilobed. Inflorescences opposite to leaves, often 3 or 4, to 1 m, stout and rigid, often with several branches, laxly many flowered; floral bracts broadly ovate-triangular, ca. 3 mm. Flowers flame-red, sepals and petals with orange spots adaxially especially at margins; pedicel and ovary 2.5-3 cm. Dorsal sepal narrowly spatulate, 20-30 × 4.5-6 mm, margin slightly undulate, apex obtuse; lateral sepals oblong, 25-35 × 8-12 mm, base contracted into a claw, margin conspicuously undulate, apex obtuse. Petals similar to dorsal sepal but smaller, rounded; lip 3-lobed; lateral lobes erect, nearly suborbicular or square, ca. 3 × 4 mm, base with a pair of fleshy, suborbicular calli, apex rounded; mid-lobe ovate, ca. 5 × 2.5 mm, recurved from middle, acute; spur conic, ca. 4 mm. Column ca. 5 mm; stipe ca. 2 mm, ± geniculate-curved at middle. Fl. Apr-Jun. 2n = 38, 114.

Epiphytic on tree trunks or lithophytic on rocks in open forests or at forest margins along valleys; 200-1400 m. SW Guangxi, Hainan, SE Yunnan [Laos, Myanmar, Thailand, Vietnam].


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