生活型

shrub

形態特徵

• Large shrubs. Branches yellowish to dark brown, hirsute, branchlets thick, densely silky-pubescent.
• Leaf blades oblong, 7-9 (12) cm long, 3-4 cm wide, apex acute to obtuse, base broadly obtuse, rounded or subcordate, margins entire, lateral veins 9-13 pairs, veinlets branching; immature leaf blades densely silky pubescent with white hairs; mature leaf blades villose along the veins above, densely tomentose with white hairs beneath; petioles 10-15 mm long, densely pubescent; stipules oblique ovate 1-2 mm long, margins glandular-dentate.
• Aments precocious, densely long villose, subsessile, deciduous leafy bracts of peduncle 2-3 at base; male aments cylindric, ca. 3 cm long, with dense flowers; stamens 2, filaments 3-6 mm long, pilose at base; stamens 2, filaments 3-6 mm long, pilose as 1/2 way from base, anthers 1 mm long, 0.9-1.1 mm wide, brown at tip, densely long villose, hairs half as long as bract; pistillate aments ca. 3 cm long, to 6 cm in fruit; pistils glabrous, long pyriform, 2-3 mm long, stipes pubescent, as long as bract; nectary and bract as in staminate flowers; ovules 6-10 per ovary.

分布

• 台灣 : In open areas in central and northern mountain ranges, 1,600-2,600 m, common in Hohuanshan region.

引證標本

ILAN: Chiliting to Nanshan, Hsu 6091; Nanhutashan, Kuo 5193; Szuyuanyakou, Yang 2125*, 2755*, 2782*. TAICHUNG: Chihchiayangtashan, Mori s. n. 1936; Lishan, Kao 4597; Chihyuanshanchuang, Tang 445; Piluchi, Huang 13042; Wuling Farm-Chika shelter, Wang et al. s. n. 1987. NANTOU: Tsuifeng-Meifeng, Tang 653; Tsuifeng, Ou 5354; Sonyuan, Fukuyama 4686; Yunghai-Tienchie, Huang 1176; Nengkaoshan, Kanehira & Sasaki s. n. 1918; Tonbara, Kanehira & Sasaki s. n. 1918; Wushe, Chuang s. n. 1985.

引用文獻

• YANG, KUOH-CHENG and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 33. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)