生活型

shrub

形態特徵

• Low shrubs, procumbent to soboliferous, 5-50 cm tall, branchlets white puberulous, then glabrate, very slender.
• Leaf blades elliptic, 1.5-2.5 cm long, 0.8-1.4 cm wide, acute to obtuse at both ends, margins serrulate, subglrabrous and glaucous beneath, lateral veins 4-8 pairs; petioles 2.5 mm long; stipules, 0.4 mm long, ovate, deciduous or not developed.
• Aments subsessile, precocious or subprecocious, with 2-3 leaves at base. Staminate aments 0.8-1.2 cm long; stamens 2, filaments 1.5-3 mm long, base pubescent, anthers 0.4-0.6 mm long, 0.3-0.5 mm wide, wider in lower part, nectary 1 adaxial, short clavate; bracts linear-oblong, reddish at tip, 1.1-1.8 mm long, 0.3-0.7 mm wide, densely or sparsely villous on both side. Pistils pubescent, pyriform, style longer than stigma, stigma short double bifid or bifid, stipes 0.5-1 mm long; nectary 1, adaxial, square, 1/3-1/2 as long as stipule; bracts linear-oblong, 1.1-1.6 mm long, 0.4-0.8 mm wide, 1.5 to 2 times as long as stipule; ovules 6-10 per ovary.
• Capsules ovate-lanceolate. Seeds green, clavate, 1-2 mm long, with coma at base.

分布

• 台灣 : On high mountain ridges and cliffs, 2,700-3,600 m, in southern Taiwan.

引證標本

NANTOU: Hsiukulanshan to Maboulassushan, Yang 3032, Ying 2744 (Type of S. maboulasensis, NTUF!). KAOHSIUNG: Hsiangyangshan, Chen 14970; Kuanshanling, Yang 3096*, Kuoh 11870*; Kuanshan, Yang 3024.

引用文獻

• YANG, KUOH-CHENG and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 41. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)