生活型

shrub

形態特徵

• Low shrubs, decumbent to repent, to 40 cm tall, much branched. Branches yellowish to dark brown; branchlets sparsely pubescent becoming glabrate. Buds yellowish to reddish brown, glabrous, beaked, splitting open on adaxial face.
• Leaf blades elliptic, obovate-elliptic, or oblong, 1.8-3(-3.8) cm long, 0.8-1.8(-2.2) cm wide, apex acute to obtuse, base broadly acute to rounded, margins entire to glandular, deciduous.
• Aments subsessile, subprecocious, base with 2-3 leaves. Staminate aments 1-2 cm long, 3.5-5.5 mm broad with stamens; stamens 2, filaments 3-4.2 mm long, base pubescent, sometimes fused, anthers oblong, nectary 1, short clavate, adaxial, bracts tawny, reddish or not at tip, linear-oblong, 1.5-2.6 mm long, puberulous on both surfaces or glabrous, margins ciliate. Pistilate aments 1.3-1.9 cm long, elongating in fruit; pistils pyriform, glabrous, 2-3 mm long, tip elongated in fruit becoming slender, style longer than stigma, stigma double bifid or bifid, stipes puberulous, 0.5-1 mm long, 1.1-1.8 times as long as nectary, bracts as in staminate flowers; ovules 6-10 per ovary.
• non

分布

• 台灣 : On high mountain cliffs, 2,400-3,900 m in central Taiwan.

引證標本

NANTOU: Patungkuan cliff, Yang 2285*, 2286*, Yushan, Yang 3030; Patungkuanshan, Yang 2279.

參考文獻

• YANG, KUOH-CHENG and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 38. 1996.  (Fl. Taiwan 2nd edit.)