褐毛柳查看源代码讨论查看历史
| 褐毛柳 |
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中文名:褐毛柳 界:植物界 门:被子植物门Angiospermae 纲:双子叶植物纲Dicotyledoneae 目:杨柳目 Salicales 科:杨柳科Salicaceae 属:柳属Salix 种:褐毛柳 分布区域:中国台湾 中文学名:Salix fulvopubescens |
褐毛柳(hè máo liǔ)，学名：Salix fulvopubescens Hayata，异名：Salix transarisanensis ，是杨柳科柳属的植物。分布于台湾岛等地，生长于海拔2,000米的地区，见于山坡，目前尚未由人工引种栽培。 [1]
褐毛柳形态特征
灌木或小乔木；小枝被褐色柔毛。叶披针形或长圆状披针形，长5-10厘米，宽1.53厘米，先端急尖至渐尖，基部圆形或钝，上面无毛或脉上有短柔毛，下面有褐色柔毛；
侧脉约12对，全缘；叶柄长5-8毫米，密被褐色柔毛。花与叶同时开放，花序圆柱形，花序梗短，梗上无叶或具1-2小叶，雄花序长约4厘米，雄蕊2，离生，花丝下部有疏毛；
苞片椭圆形或长圆形，有短柔毛或近无毛，腹腺1，粗壮；雌花序疏花，子房卵状圆锥形，无毛，子房柄长，约与苞片的长度相等，花柱极短，柱头4裂。
Shrubs or small trees. Branchlets brown pubescent. Petiole 5-8 mm, densely brown pubescent; leaf blade lanceolate or oblong-lanceolate, 5-10 × 1.5-3 cm, abaxially brown pubescent, adaxially glabrous or pubescent along veins, base rounded or obtuse, margin entire, apex acute to acuminate; lateral veins ca. 12 on each side of midvein.
Flowering coetaneous. Male catkin cylindric, short, ca. 4 cm; peduncle with 1 or 2 leaflets or not; bracts elliptic or oblong, pubescent or subglabrous.
Male flower: adaxial gland stout; stamens 2, free; filaments with loose hairs proximally; anthers yellow. Female catkin laxly flowered; bracts as in male catkin.
Female flower: ovary ovoid-conical, glabrous; stipe ca. as long as bracts; style very short; stigma 4-lobed.
分类文献
Salix fulvopubescens Hayata, Icon. Pl. Form. 5: 202. 1915; Kimura in Sci. Rep. Tohoku Univ. 4, Biol. 10 (3): 556. 1935; Kaneh. Form. Trees rev. ed. 75. f. 30. 1936; Liu, Ill. Nat. Intr. Lign. Pl. Taiwan 1: 564. f. 491 & 492. 1960; Li, Wood. Fl. Taiwan 71. 1963; id. Fl. Taiwan 2: 34. f. 200. 1976. ——S. transarisanensis Hayata, 1. c. 203. 1915; Kaneh. 1. c. 77. 1936.
褐毛柳生长环境
生于海拔3000米的山坡。
褐毛柳分布范围
产于中国台湾省 。模式标本采自台湾省中部山区。