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粗齿刺蒴麻

粗齿刺蒴麻

中文学名:粗齿刺蒴麻

拉丁学名:Triumfetta grandidens Hance

界:植物界

门:被子植物门

纲:双子叶植物纲

目:卫矛目

科:椴树科

属:刺蒴麻属

粗齿刺蒴麻,国内分布在海南省广东省广西自治区。花期冬春季间。 [1]

目录

粗齿刺蒴麻形态特征

木质草本,披散或匍匐,多分枝;嫩枝有简单柔毛。

叶变异较大,下部的菱形,3—5裂,上部的长圆形,长1—2.5厘米,宽7—15毫米,先端钝,基部楔形,两面无毛或下面脉上有毛,三出脉不强直上行,边缘有粗齿;叶柄长5—10毫米,被毛。

聚伞花序腋生,长10—20毫米,花序柄长5—7毫米;花柄长2—3毫米;萼片线形,长6毫米,外面被柔毛;花瓣阔卵形,有短柄,比萼片稍短;雄蕊8—10枚;子房2—3室,被毛。蒴果球形;针刺长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.

粗齿刺蒴麻生长环境

热带植物,喜欢炎热潮湿气候,花期在冬春季间。

粗齿刺蒴麻分布范围

主要分布于我国海南省,广东省,广西自治区等地,马来西亚也有分布。

参考来源

  1. 粗齿刺蒴麻, 植物智, 2020-01-18