细梗裸实 xi geng luo shi

Basionym: Maytenus graciliramula S. J. Pei & Y. H. Li, Res. Bull. Trop. Pl. 13: 13. 1979; ?M. guangnanensis H. Shao; M. longlinensis C. Y. Cheng & W. L. Sha; M. oligantha C. Y. Cheng & W. L. Sha; M. pseudoracemosa S. J. Pei & Y. H. Li; M. thyrsiflora S. J. Pei & Y. H. Li.

Shrubs, 1-2 m tall; twigs slender, with slender thorns or unarmed, old branches usually with sturdy thorns. Petiole 2-7(-12) mm; leaf blade narrowly elliptic, narrowly obovate, oblanceolate, or elliptic, 2-8(-14) × 1-4(-6) cm, papery or thickly papery, base cuneate or narrowly cuneate, margin crenate, apex acute, shortly acute, or obtuse; lateral veins tenuous, 6-9 pairs. Cymes axillary, 1-6 × branched, monochasial; peduncle slender, various in length, usually 1-2 cm, up to 3 cm when fruiting; branches and pedicels slightly short, 3-5 mm, 0.5-1 cm when fruiting. Flowers small, white, 2-5 mm in diam.; sepals broadly ovate; petals oblong. Filament ca. 1 mm. Stigma 3-lobed. Capsule red-brown, subobovoid, 6-12 mm, 3-valved. Seeds oblong, 5-7 mm, basally covered by white aril. Fl. Jun-Sep, fr. Sep-Dec.

● Dry calcareous mountain slopes; 800-1500 m. Guangxi, Yunnan.

Maytenus guangnanensis H. Shao (Bull. Bot. Res., Harbin 20: 125. 2000) is described from Yunnan. Its affinity to Gymnosporia graciliramula needs further study.