皺葉柃檢視原始碼討論檢視歷史
皺葉柃 |
中文學名:皺葉柃 拉丁學名:Eurya rugosa Hu 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:側膜胎座目 科:山茶科 屬:柃木屬 種:皺葉柃 |
皺葉柃(學名:Eurya rugosa Hu)是山茶科柃木屬植物,特產於四川南部的屏山一帶。 [1]
皺葉柃形態特徵
灌木,高2-4米;嫩枝圓柱形,粗壯,灰褐色或褐色,初時密被黃褐色長柔毛,後則逐漸脫落變無毛,小枝灰褐色,多少具2棱,無毛;頂芽錐形,密被黃褐色長柔毛。
葉厚革質,長圓形或長圓狀橢圓形,長7-9.5厘米,寬2-3.5厘米,頂端急窄縮呈短漸尖,基部鈍或近圓形,邊緣密生細鋸齒,上面深綠色,無毛,下面淡綠色,除中脈稍被貼伏柔毛外,無毛或偶有疏被貼伏柔毛,中脈在上面凹下,下面凸起,側脈10-12對,連同網脈在兩面均明顯且凹下;葉柄長3-4毫米,被柔毛。花未見。
果實通常單個腋生,圓球形,直徑約3. 5毫米,有極稀疏短柔毛,果梗長約3毫米,被短柔毛;宿存小苞片2,卵形,被短柔毛;宿存萼片卵圓形或近圓形,長約2.5毫米,外面密被短柔毛,邊緣有纖毛;宿存花柱3-4枚,長約2毫米,離生或近離生。果期次年6-7月 。
本種葉形奇特,葉厚革質,側脈和網脈在兩面均明顯凹下,干後下面紅褐色以及疏被短柔毛,花柱3-4枚,長僅約2毫米,離生等,極易與其他子房被毛的種類區別。
Shrubs 2-4 m tall. Young branches grayish brown, slightly 2-ribbed, glabrous; current year branchlets brown, terete, yellowish brown villous when young but glabrescent; terminal buds densely yellowish brown villous. Petiole 3-4 mm, pubescent; leaf blade oblong to oblong-elliptic, 7-9.6 × 2-3.5 cm, thickly leathery, abaxially pale green and sparsely appressed pubescent, adaxially dark green and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 10-12 on each side of midvein, secondary and reticulate veins impressed on both surfaces, base obtuse to subrounded, margin closely serrulate, apex abruptly shortly caudate. Flowers not seen. Fruit solitary in axils, globose, ca. 3.5 mm in diam., sparsely pubescent; pedicel ca. 3 mm, pubescent; persistent bracteoles ovate, pubescent; persistent sepals ovate to suborbicular, ca. 2.5 mm, densely pubescent outside, margin ciliolate; persistent styles 3 or 4, distinct, ca. 2 mm. Fr. Jun-Jul.
皺葉柃生長環境
生長於海拔約1600米的山地溝谷密林中 。