铺地刺蒴麻查看源代码讨论查看历史
铺地刺蒴麻 |
中文学名:铺地刺蒴麻 二名法:Triumfetta procumbens Forst. f. 界:植物界 门:被子植物门Angiospermae 纲:双子叶植物纲Dicotyledoneae 亚 纲:原始花被亚纲Archichlamydeae 目:锦葵目Malvales 科:椴树科Tiliaceae 亚 科:椴树亚科Subfam. Tilioideae 族:刺蒴麻族Trib. Triumfetteae 属:刺蒴麻属Triumfetta |
铺地刺蒴麻(学名:Triumfetta procumbens)为锦葵科刺蒴麻属的植物。分布于澳洲及西南太平洋各岛屿以及中国大陆的西沙群岛及东沙群岛等地,多生长于海滩上,目前尚未由人工引种栽培。 [1]
形态特征
木质草本,茎匍匐;嫩枝被黄褐色星状短茸毛。
叶厚纸质,卵圆形,有时3浅裂,长2-4.5厘米,宽1.5-4厘米,先端圆钝,基部心形,上面有星状短茸毛,下面被黄褐色厚茸毛,基出脉5-7条,边缘有钝齿;叶柄长1-5厘米,被短茸毛。
聚伞花序腋生,花序柄长约1厘米;花柄长2-3毫米。花未见。
果实球形,直径1.5厘米,干后不开裂;针刺长3-4毫米,有时更长些,粗壮,先端弯曲,有柔毛;果4室,每室有种子1-2颗。果期5-9月。
Shrubs, stems procumbent, to 3 m. Branchlets yellow-brown, shortly stellate hairy. Petiole 2-3 mm; leaf blade ovate-orbicular, sometimes 3-lobed, 2-4.5 × 1.5-4.5 cm, thickly papery to slightly fleshy, abaxially densely yellow-brown tomentose, adaxially more sparsely shortly stellate tomentose, basal veins 5-7, base cordate, margin crenate, apex obtuse. Cymes solitary, 2-5-flowered; peduncle 5-10(-35) mm. Pedicel 2-3(-10) mm. Sepals 9-13 × 2-2.5 mm, abaxially moderately densely stellate hairy, adaxially densely stellate tomentose near base, tips with subapical appendage terete, 1-2 mm, glabrous. Petals linear-obovate, 7.5-9 × ca. 4 mm, claw tomentose. Androgynophore ca. 0.5 mm. Stamens 20-35; filaments 5-8 mm, glabrous. Capsule globose, 4-loculed, 1.5-2 cm in diam., spiny, indehiscent, glabrous or with sparse simple and stellate hairs; spines robust, 3-5 mm, puberulent, curved at tip. Seeds 1 or 2 per cell. Fr. May-Sep.
Coastal strands near sea level. South China Sea [Japan, Malaysia; Australia, Indian Ocean islands (Diego Garcia, Seychelles), SW Pacific islands].
生长环境
生长于海滩上。
分布范围
分布于我国西沙群岛的东岛及东沙群岛。澳大利亚及西南太平洋各岛 屿有分布。
主要价值
本种有固沙作用。