栏目

午时花Pentapetes phoenicea Linn.

午时花Pentapetes phoenicea Linn.

别名:flor impia;夜落金钱;夜落金线;

科名:梧桐科 Sterculiaceae

属名:午时花属 Pentapetes

《中国植物志》第49(2)卷171页
  1.午时花(广州)夜落金钱(秘传花镜)图版48:3-6
  Pentapetes phoenicea Linn. Sp. Pl. ed. 1. 698. 1753; Mast. in Hook. f. Fl. Brit. Ind. 1: 371. 1874; Forbes & Hemsl. in Journ. Linn. Soc. Bot. 23: 91. 1886; Gagnep. in Lecte. Fl. G6n. Indo-Chine 1: 511. f. 49. 1911; Ridley Fl. Malay Pen. 1: 284, 1922; Craib Fl. Siam. Enum. 1: 178. 1925; 侯宽昭等, 广州植物志241. 1956;中国高等植物图鉴2: 832 0图3394. 1972.
  一年生草本,高0.5-1米,被稀疏的星状柔毛。叶条状披针形,长5-10厘米,宽1-2厘米,顶端渐尖,基部阔三角形、圆形或截形,边缘有钝锯齿;叶柄长1-2.5厘米。花1-2朵生于叶腋,开于午间,闭于明晨;萼片5枚,披针形,长约1厘米,外面被星状柔毛及刚毛;花瓣5片,红色,广倒卵形,长约12毫米;雄蕊15枚,每3枚集合成群,并与退化雄蕊互生,基部连合,退化雄蕊5枚,舌状,长12-13毫米,宽约1毫米;子房无柄,5室,卵形,被长柔毛,每室有胚珠约8-12个,花柱线形,无毛,长约1厘米。蒴果近圆球形,直径约1.2厘米,密被星状毛及刚毛,比宿存萼短。花期夏秋。
  原产印度。我国广东、广西、云南南部等地多有栽培,以供观赏。亚洲热带地区和日本也有分布。本种的花午间开放而明晨闭合,故有“午时花”之称,而且常整朵花脱落,故又称“夜落金钱”。

《Flora of China》 Vol. 12 (2007)
Pentapetes phoenicea  Linnaeus
午时花   wu shi hua
Annual herbs, 0.5-1 m tall, sparsely stellate hairy. Petiole 1-2.5 cm; leaf blade linear-lanceolate, 5-10 × 1-2 cm, base broadly cuneate, rounded or truncate, margin crenate, apex acuminate. Flowers opening at noon, closing at dawn. Calyx lobes lanceolate, ca. 1 cm, abaxially stellate velutinous and hispid. Petals red, broadly ovate, ca. 12 mm. Staminodes tongue-shaped, 12-13 × ca. 1 mm. Ovary ovoid, villous; ovules 8-12 per cell; style filiform, glabrous, ca. 1 cm. Capsule nearly globose, ca. 1.2 cm in diam., densely stellate hairy and hispid, shorter than persistent calyx. Fl. summer-autumn.
Cultivated, requires moist conditions. Guangdong, Guangxi, Sichuan, S Yunnan [Bangladesh, India, Indonesia, Japan, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; N Australia; naturalized in Central America].
Pentapetes phoenicea is a plant of tropical Asia that is cultivated for its bright red flowers. It has become naturalized in many areas such that the native distribution is now obscured.

《全国中草药汇编》:午时花


【拼音名】 Wǔ Shí Huā
【别名】 半支莲、草杜鹃
【来源】 马齿苋科马齿苋属植物大花马齿苋Portulaca grandiflora Hook.,以地上全草入药。四季可采,一般鲜用,或晒干。
【性味】 淡、微辛,平。
【功能主治】 散瘀止痛,解毒消肿。用于跌打损伤;外用治疮疖肿毒。
【用法用量】 0.5~1两;外用适量,鲜品捣烂敷患处。
【注意】 孕妇忌服。
【摘录】 《全国中草药汇编》
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