Salix taiwanalpina var. takasagoalpina

高山柳

endemic

Salix taiwanalpina Kimura var. takasagoalpina (Koidz.) Ying

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Ying, Memoirs of the College of Agriculture, National Taiwan University 27(2): 33. 1987. (Mem. Coll. Agr. Natl. Taiwan Univ.)

台灣首次記錄發表文獻

同發表文獻

異名

Salix takasagoalpina Koidz.

Koidz., Acta phytotaxonomica et geobotanica eng 8: 112. 1939. (Acta Phytotax. Geobot.)
Salix maboulasensis Ying

Ying, Quarterly journal of Chinese forestry 8(3): 106. 1975. (Quart. J. Chin. For.)

各語言俗名

中

關山柳. 台灣匍柳. 馬博拉斯山柳. 台灣山柳.
日

たかさごまめやなぎ. たかさごやなぎ.

參考文獻

Yeh-Ching Liu, Fu-Yuan Lu & Chern-Hsiung Ou, Trees of Taiwan revised . 1994. (Tr. Taiwan rev. ed.)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

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.