Smilax gracillima Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30: 359. 1911, not H. Léveillé & Vaniot (1905).

Shrubs suberect to subscandent. Stem branched, terete, slender, smooth. Petiole 2--5(--8) mm, winged for 1/2--3/5 its length; wings ca. 3 mm, apically with a deltoid-lanceolate auricle 1--1.5 mm; abscission zone apical; tendrils absent. Leaf blade ovate-rhombic or rhombic-elliptic, 3--5(--7) × 1--2.5(--4.5) cm. Male inflorescence of 1 umbel, basally not prophyllate; peduncle slender, 0.7--1.7(--2.2) cm; umbel 2--7-flowered, base scarcely thickened. Male flowers: tepals greenish, outer ones linear-oblong, 1--2 × 0.4--0.8 mm, inner ones ca. 1 × 0.2 mm; stamens ca. 1/2 as long as tepals; anthers subglobose. Female flowers unknown. Berries red, globose, ca. 8 mm in diam. Fl. Apr, fr. Oct.

* Forests, hillsides along valleys or streams; 900--1500 m. N Guangdong, Taiwan.