貼生白粉藤
貼生白粉藤 |
中文學名:貼生白粉藤 拉丁學名:issus adnata Roxb. 別 稱:銹毛白粉藤 (雲南種子植物名錄) 界:植物界 種:貼生白粉藤 |
貼生白粉藤(tiē shēng bái fěn téng,學名 Cissus adnata Roxb.,俗名:錦屏藤,異名:Vitis adnata ),木質藤本。小枝圓柱形,有縱棱紋,密被銹色捲曲毛。卷鬚2叉分枝,相隔2節間斷與葉對生。產雲南南部。生林中、林緣或灌叢中,海拔500-1600米。老撾、柬埔寨、泰國和印度也有分布。 [1]
目錄
貼生白粉藤形態特徵
葉為單葉,干時兩面同色,心狀卵圓形,長6-11.5厘米,寬5.5-8.5厘米,頂端短尾尖,稀急尖,基部心形,基缺圓形或張開呈鈍角,邊緣每側有35-40個尖銳鋸齒,上面深綠色,幼時被短柔毛,以後脫落僅脈上被毛,下面淺綠色,密被 銹色捲曲柔毛;
基出脈3-5,中脈有側脈5-6對,網脈在下面毛變稀疏時明顯可見;葉柄長1.5-7厘米,密被捲曲柔毛;托葉卵橢圓形,長1.5-2毫米,寬1-1.5毫米,頂端鈍,幾無毛。
花序與葉對生,二級分枝3-5,集生成傘形;花序梗長1.5-4.5厘米,密被銹色捲曲柔毛;花梗長1.5-2.5毫米,被短柔毛;花蕾卵圓形,高1.5-2毫米,頂端圓形或鈍;
萼碟形,邊緣呈波狀淺裂,外面被短柔毛;花瓣4,卵圓形,高1.3-1.7毫米,外面被短柔毛;雄蕊4,子房被疏柔毛,花柱鑽形,柱頭頭狀。
果實卵橢圓形,長0.6-0.7厘米,寬0.5-0.6厘米,有種子1顆;
種子倒卵圓形,頂端近圓形,基部漸狹成喙,表面棱紋尖銳,種臍在種子背面下部外形無特別分化,與種脊相似,腹部中棱脊突出,窪穴短,呈溝狀,從種子下部斜向上展達種子中部。
花期6-7月,果期8-9月。 [2]
分類
Cissus adnata Roxb. Fl. Ind. 1: 423. 1820; Wight, Icon. Pl. Ind. Orient. 1: t. 144. 1839; Planch. in DC. Monogr. Phan. 5: 495. 1887. p. p.; Gagnep. in Lecomte, Not. Syst. 1: 353. 1911 et in Lecomte, Fl. Gen. Indo-Chine. 1: 965. 1912 et in Humbert, Suppl. Fl. Gen. Indo-Chine. 1: 883. 1950; Craib, Fl. Siam. Enum. 1: 305. 1926; Momiyama in Hara & Williams, Enum. Fl. Pl. Nep. 2: 94. 1979; W. T. Wang in Acta Phytotax. Sin. 17 (3): 88. 1979 in clavi; 雲南種子植物名錄上冊794. 1984.——Vitis adnata (Roxb.) Wall. Cat. 205. n. 5998. 1831-1832; Laws. in Hook. f. Fl. Brit. Ind. 1: 649. 1875. p. p.
英文介紹
Vitis adnata (Roxburgh) Wallich.
Lianas, woody. Branchlets terete, with longitudinal ridges, with dense rubiginous curly hairs; tendrils bifurcate. Leaves simple, both surfaces of same color when dry; stipules ovate-elliptic, 1.5-2 × 1-1.5 mm, apex obtuse; petiole 1.5-7 cm, densely ferruginous pilose; leaf blade cordate-oval, 6-11.5 × 5.5-8.5 cm, abaxially with dense rubiginous curly hairs, adaxially pubescent when young, then hairs falling off and with some hairs only on veins, basal veins 3-5, lateral veins 5 or 6 pairs, veinlets conspicuous abaxially, base cordate, notch rounded or obtuse and angular, margin with 35-40 sharp teeth on each side, apex mucronate, rarely acute. Inflorescence umbelliform, leaf-opposed; peduncle 1.5-4.5 cm, with dense rubiginous curly hairs. Pedicel 1.5-2.5 mm, pubescent. Buds oval, 1.5-2 mm, apex rounded or obtuse. Calyx undulately lobed, pubescent. Petals oval, 1.3-1.7 mm, pubescent. Ovary sparsely pilose; style conical; stigma expanded. Berry 6-7 × 5-6 mm, 1-seeded. Seed surface with sharp ridges, ventral holes short and narrow. Fl. Jun-Jul, fr. Aug-Sep. 2n = 22.
Forests, shrublands; 500-1600 m. S Yunnan [Cambodia, India, Laos, Myanmar, Nepal, Thailand, Vietnam].
貼生白粉藤生長環境
貼生白粉藤分布範圍
生長於海拔500-1600米的林中、林緣或灌叢中。[3]