沧源木姜子 cang yuan mu jiang zi

Trees, up to 28 m tall, 30-50 cm d.b.h. Branchlets yellow-brown when dry, slender, 2-3 mm in diam., glabrous. Leaves alternate; petiole 1-1.5 cm, concave-convex, glabrous; leaf blade abaxially glaucous-green, adaxially yellow-green, oblong, 11.5-18 × 4.5-7.5 cm, glabrous and conspicuously foveolate on both surfaces, pinninerved, midrib elevated on both surfaces, lateral veins 7-10 pairs, obliquely patent, anastomosing near margin, base broadly cuneate to subrotund, apex mucronate. Pseudoumbels 1 or 2, inserted on axillary short shoot 1-3 cm with a vegetable-terminal bud, ca. 5-flowered, flowers subsessile when in bud; peduncles 1.5-3 mm, glabrous; involucral bracts 4, orbicular. Fruits ovoid, 2.5-3 cm in diam., ca. 3.5 cm; fruiting pedicel 7-10 mm in fruit, glabrous, verrucose, shallowly cup-shaped at apex; cupules undulate-lobed on margin; infructescence peduncles ca. 1 cm, glabrous, verrucose. Fl. Oct, fr. Jun of next year.

● Dense forests in humid valleys, evergreen broad-leaved forests; 1000-1300 m. SW Yunnan (Cangyuan).