锡金酸蔹藤查看源代码讨论查看历史
锡金酸蔹藤 |
中文学名:锡金酸蔹藤 拉丁学名:Ampelocissus sikkimensis (M. A. Lawson) Planch 界:植物界 种:锡金酸蔹藤 分布区域:云南 果 期:11月 |
锡金酸蔹藤(xī jīn suān liǎn téng,学名 Ampelocissus sikkimensis (Laws.) Planch.,异名:Vitis sikkimensis ),木质藤本。小枝圆柱形,有纵棱纹,无毛。叶为单叶,心状卵圆形,长19-21厘米,宽15-16厘米,顶短尾尖,基部心形,基缺狭窄呈锐角,边缘有细牙齿,上面绿色,无毛,下面微呈浅绿色,无毛;产云南(勐腊)。生林下,海拔约1100米。模式标本采自锡金。 [1]
锡金酸蔹藤形态特征
叶基出脉5,中央脉有侧脉5-6对,网脉上面不明显,下面微突出;叶柄长6-6.5厘米,无毛。
花序与叶对生,复二歧聚伞花序,基部分枝为一卷须,2叉状分枝;果序梗长约8厘米,无毛;果梗长2-4毫米,几无毛。果实圆形,直径约1厘米,红色,有种子1-2颗;[2]
种子长椭圆形,顶端近圆形,基部有短喙,种脐在种子背面中部延长呈狭椭圆形,表面有钝棱微突起,腹部中棱脊突出,两侧洼穴呈沟状,几平行,从基部向上达种子顶端。 果期11月。 [3]
分类
Ampelocissus sikkimensis (Laws.) Planch. in DC. Monogr. Phan. 5: 371. 1887; Momiyama in Hara, Fl. East. Hirnal. 1: 198. 1966 et in Ohashi, Fl. East. Himal. 3: 80. 1975; Whitemore in Hara & Wiliams, Enum. Fl. Pl. Nep. 2: 93. 1979.——Vitis sikkimensis Laws. in Hook. f. Fl. Brit. Ind. 1: 650. 1875.
英文介绍
Vitis sikkimensis M. A. Lawson in J. D. Hooker, Fl. Brit. India 1: 650. 1875.
Lianas, woody. Branchlets terete, with longitudinal ridges, glabrous. Leaves simple; petiole 6-6.5 cm, glabrous; leaflets cordate-oval, 19-21 × 15-16 cm, glabrous, basal veins 5, lateral veins 5 or 6 pairs, veinlets slightly prominent abaxially, inconspicuous adaxially, base cordate, margin finely toothed, apex mucronate. Compound dichasium leaf-opposed, base with a bifurcate tendril; peduncle ca. 8 cm. Pedicel 2-4 mm, nearly glabrous. Berry red, globose, ca. 1 cm in diam., 1- or 2-seeded. Seeds oblong, base rostrate, apex subrounded, chalazal knot narrowly elliptic. Fr. Nov.
Forests; ca. 1100 m. Yunnan (Mengla) [India, Nepal].
锡金酸蔹藤生长环境
生长在海拔约1100米的林下。