Salix fulvopubescens var. tagawana

白毛柳

endemic

Salix fulvopubescens Hayata var. tagawana (Koidz.) Yang & Huang

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

Yang & Huang. 1996. Taiwania 41(1): 3.

台灣首次記錄發表文獻

同發表文獻

異名

Salix tagawana Koidz.

Koidz. 1940. Acta phytotaxonomica et geobotanica eng 9: 75. (Acta Phytotax. Geobot.)

各語言俗名

中

白毛柳、東部柳、花蓮柳、田川氏柳
英

Tagawa Willow
日

たがわやなぎ

參考文獻

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

特徵描述

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.