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粗齒刺蒴麻

中文學名:粗齒刺蒴麻

拉丁學名:Triumfetta grandidens Hance

界:植物界

門:被子植物門

綱:雙子葉植物綱

目:衛矛目

科:椴樹科

屬:刺蒴麻屬

粗齒刺蒴麻,國內分布在海南省廣東省廣西自治區。花期冬春季間。 [1]

目錄

粗齒刺蒴麻形態特徵

木質草本,披散或匍匐,多分枝;嫩枝有簡單柔毛。

葉變異較大,下部的菱形,3—5裂,上部的長圓形,長1—2.5厘米,寬7—15毫米,先端鈍,基部楔形,兩面無毛或下面脈上有毛,三出脈不強直上行,邊緣有粗齒;葉柄長5—10毫米,被毛。

聚傘花序腋生,長10—20毫米,花序柄長5—7毫米;花柄長2—3毫米;萼片線形,長6毫米,外面被柔毛;花瓣闊卵形,有短柄,比萼片稍短;雄蕊8—10枚;子房2—3室,被毛。蒴果球形;針刺長2—4毫米,被柔毛,先端有短勾。

Herbs woody, creeping or not, many branched; stems pubescent, hairs simple, or glabrous. Petiole 5-10 mm, hairy; lower leaf blades rhomboid, 3-5-lobed; upper ones oblong, 1-2.5 × 0.7-1.5 cm, both surfaces glabrous or abaxially hairy on veins, basal veins not strongly ascending, base cuneate, margin serrate, apex obtuse. Cymes 10-20 mm; peduncle 5-7 mm. Pedicel 2-3 mm. Sepals filiform, ca. 6 mm, abaxially puberulent. Petals broadly ovate, slightly shorter than sepals, shortly stalked. Stamens 8-10. Ovary 2- or 3-loculed. Capsule globose, spiny, indehiscent; spines 2-4 mm, puberulent or glabrous, tip shortly hooked. Fl. winter-spring.

Sandy coasts, coastal wastelands. Guangdong, Hainan [Cambodia, Malaysia, Thailand, Vietnam].

Triumfetta grandidens has been included within T. repens (Blume) Merrill & Rolfe, but the combination of small leaves with relatively very large triangular marginal teeth is very distinctive.

粗齒刺蒴麻生長環境

熱帶植物,喜歡炎熱潮濕氣候,花期在冬春季間。

粗齒刺蒴麻分布範圍

主要分布於我國海南省,廣東省,廣西自治區等地,馬來西亞也有分布。

參考來源

  1. 粗齒刺蒴麻, 植物智, 2020-01-18