褐毛柳檢視原始碼討論檢視歷史
褐毛柳 |
中文名:褐毛柳 界:植物界 門:被子植物門Angiospermae 綱:雙子葉植物綱Dicotyledoneae 目:楊柳目 Salicales 科:楊柳科Salicaceae 屬:柳屬Salix 種:褐毛柳 分布區域:中國台灣 中文學名:Salix fulvopubescens |
褐毛柳(hè máo liǔ),學名:Salix fulvopubescens Hayata,異名:Salix transarisanensis ,是楊柳科柳屬的植物。分布於台灣島等地,生長於海拔2,000米的地區,見于山坡,目前尚未由人工引種栽培。 [1]
褐毛柳形態特徵
灌木或小喬木;小枝被褐色柔毛。葉披針形或長圓狀披針形,長5-10厘米,寬1.53厘米,先端急尖至漸尖,基部圓形或鈍,上面無毛或脈上有短柔毛,下面有褐色柔毛;
側脈約12對,全緣;葉柄長5-8毫米,密被褐色柔毛。花與葉同時開放,花序圓柱形,花序梗短,梗上無葉或具1-2小葉,雄花序長約4厘米,雄蕊2,離生,花絲下部有疏毛;
苞片橢圓形或長圓形,有短柔毛或近無毛,腹腺1,粗壯;雌花序疏花,子房卵狀圓錐形,無毛,子房柄長,約與苞片的長度相等,花柱極短,柱頭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.
分類文獻
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.
褐毛柳生長環境
生於海拔3000米的山坡。
褐毛柳分布範圍
產於中國台灣省 。模式標本采自台灣省中部山區。