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72. Smilax gagnepainii T. Koyama, Bull. Natl. Sci. Mus., Tokyo. B, 3(4): 163. 1977.
四翅菝葜 si chi ba qia
Description from Flora of China
Smilax tetraptera Gagnepain, Bull. Soc. Bot. France 81: 74. 1934, not Schlechter (1906).
Vines climbing. Stem branched, woody; branches 4-angled, sometimes sparsely prickly, angles narrowly winged. Petiole 1.5--4 cm, winged for ca. 2/3 its length; wings 1--3 mm wide; abscission zone distal; tendrils sometimes present. Leaf blade ovate-lanceolate or elliptic-lanceolate, 17--25 × 4--10 cm, thickly leathery, main veins 3(--5), base rounded or broadly cuneate. Inflorescence of 1 umbel, basally prophyllate; peduncle 1.5--4 cm, proximally articulate; umbel 5--20-flowered.
Only a few sterile specimens have been collected in China; one of them possesses immature fruit.
Open forests; ca. 700 m. SW Guangxi, SE Yunnan [Vietnam].
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