鋪地刺蒴麻
鋪地刺蒴麻 |
中文學名:鋪地刺蒴麻 二名法:Triumfetta procumbens Forst. f. 界:植物界 門:被子植物門Angiospermae 綱:雙子葉植物綱Dicotyledoneae 亞 綱:原始花被亞綱Archichlamydeae 目:錦葵目Malvales 科:椴樹科Tiliaceae 亞 科:椴樹亞科Subfam. Tilioideae 族:刺蒴麻族Trib. Triumfetteae 屬:刺蒴麻屬Triumfetta |
鋪地刺蒴麻(學名:Triumfetta procumbens)為錦葵科刺蒴麻屬的植物。分布於澳洲及西南太平洋各島嶼以及中國大陸的西沙群島及東沙群島等地,多生長于海灘上,目前尚未由人工引種栽培。 [1]
目錄
形態特徵
木質草本,莖匍匐;嫩枝被黃褐色星狀短茸毛。
葉厚紙質,卵圓形,有時3淺裂,長2-4.5厘米,寬1.5-4厘米,先端圓鈍,基部心形,上面有星狀短茸毛,下面被黃褐色厚茸毛,基出脈5-7條,邊緣有鈍齒;葉柄長1-5厘米,被短茸毛。
聚傘花序腋生,花序柄長約1厘米;花柄長2-3毫米。花未見。
果實球形,直徑1.5厘米,干後不開裂;針刺長3-4毫米,有時更長些,粗壯,先端彎曲,有柔毛;果4室,每室有種子1-2顆。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].
生長環境
生長于海灘上。
分布範圍
主要價值
本種有固沙作用。