Holboellia parviflora (Hemsley) Gagnepain

Evergreen. Branches striate. Petiole slender, terete, 4--8 cm; leaf blade pinnately 3-foliolate; petiolules 0.5--2.5 cm; leaflets lanceolate, oblong-lanceolate, or ovate, 7--11 × 3--5 cm, subleathery, slightly folded in central part at base, abaxially pale green but pale brown when dry, adaxially dark green and shiny, base broadly cuneate to rounded, apex acuminate to long acuminate; midvein adaxially impressed, abaxially raised; secondary veins 5 or 6 pairs, tertiary veinlets and secondary veins slightly prominent on both surfaces. Inflorescences several, clustered, corymbose, 1.5--2 cm, several flowered; male and female flowers clustered together; peduncle 4--5 mm. Flowers greenish, small. Male flowers: pedicel 5--10 mm, slender. Outer 3 sepals broadly ovate, concave, 4--5 mm, slightly fleshy, apex acute and slightly thickened; inner 3 sepals lanceolate, ca. 3 mm, thinner than outer ones. Petals elliptic, less than 1 mm. Stamens 3.5--4 mm, unequal, 3 opposite inner sepals as long as outer sepals, other 3 shorter; filaments slightly thickened, trigonate, base cuneate; connective apex unappendaged. Pistillodes as long as petals. Female flowers: pedicel 8--10 mm, thicker than those of male flowers. Outer 3 sepals ovate, ca. 7 × 4 mm, apex acute; inner 3 sepals narrower, shorter. Staminodes minute. Carpels conical, ca. 4 mm. Stigma oblique. Fruit ellipsoid, 2.5--6 × 2--3 cm. Fl. Nov--Dec, fr. Sep--Oct.

Guangxi, Guizhou, Hunan, SE Yunnan.

* Mixed forests, forest margins along valleys, mountain slopes; 1800--1900 m.

Stauntonia parviflora Hemsley, Hooker’s Icon. Pl. 29: t. 2849. 1907; Holboellia latistaminea T. Chen.