Isotrema cucurbitifolium

瓜葉馬兜鈴

endemic

Isotrema cucurbitifolium (Hayata) X.X. Zhu

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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S. Liao & J.S. Ma. X.X. Zhu, S. Liao & J.S. Ma, Phytotaxa 401(1): 9. 2019.

Aristolochia palmata C.L.Yang

C.L.Yang, nom. ined. . .
Aristolochia cucurbitifolia Hayata

Hayata, Icones Plantarum Formosanarum 5: 137. 1915. (Icon. Pl. Formos., 台灣植物圖譜)

W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan, 台灣的野花 - 低海拔篇1300種)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

herb

Perennial, scandent herb.
Leaf blades chartaceous to subcoriaceous, broadly ovate or ovate-cordate, 6-9 cm long, 5-11 cm wide, unequally deeply (3-)5-7(-9)-lobed, base cordate, upper surface glabrous, lower surface pubescent, palmately nerved; middle lobe spatulate-ensiform or rhomboid-oblanceolate, apex acute; lateral lobes oblanceolate-linear, apex obtuse; petiole 2--3 cm long, pubescent.
Flowers solitary, axillary, pendulous, the pedicel and utricle together c. 3 cm long, pubescent; perianth about 4 cm long, U-shaped, 6-7 mm in diam., limb obliquely oblong, l.5 cm long, slightly notched at apex, hairy outside. Stamens 6.
Capsules ovoid-fusiform, to 6 cm long, 1.5 cm in diam, 6-angular, dehiscing from apex toward base. Seeds triangular, 3-5 mm long and wide, concave-convex, testa smooth.