粉背菝葜 fen bei ba qia

Smilax corbularia Kunth var. hypoglauca (Bentham) T. Koyama

Vines climbing, unarmed. Stem branched, 2--3(--4) m, woody, smooth. Petiole 0.7--1.3 cm, narrowly winged for ca. 1/2 its length; wings apically lanceolate-auriculate; abscission zone apical; tendrils usually rather long. Leaf blade abaxially glaucous, narrowly elliptic to ovate-oblong, 5--12 × 2--5 cm, leathery, main veins 3--5, margin slightly recurved. Inflorescence of 1 umbel, basally not prophyllate; peduncle 1--5 mm; umbels of both sexes 10--20-flowered, base thickened; bracteoles many, small. Male flowers: tepals not spreading, greenish, outer ones ca. 2.5 × 1.8 mm, inner ones ca. 2.2 × 1 mm, thickened, abaxially concave; filaments connate, forming a short column. Female flowers: tepals 2.2--2.5 mm; staminodes 3. Berries globose, 8--10 mm in diam. Fl. Jul--Aug, fr. Dec.

* Open forests, thicket margins; near sea level to 1300 m. Fujian, Guangdong, Guizhou, Jiangxi, ?Yunnan.