狗尾红Acalypha hispida

中文名(Chinese Name):狗尾红
学名(Scientific Name):Acalypha hispida Burm. f.
英文名(English Common Name):red-hot cat's tail
别名(Chinese Common Name):红穗铁苋菜
异名(Synonym):Ricinocarpus hispidus (Burm.f.) Kuntze  Acalypha sanderiana K.Schum.  Acalypha densiflora Blume  Acalypha hispida var. sanderi (N.E.Br.) J.J.Sm.
科属Family & Genus):大戟科(Euphorbiaceae)铁苋菜属
形态特征Description):灌木,高0.5-3米;嫩枝被灰色短绒毛,毛逐渐脱落,小枝无毛。叶纸质,阔卵形或卵形,长8-20厘米,宽5-14厘米,顶端渐尖或急尖,基部阔楔形、圆钝或微心形,上面近无毛,下面沿中脉和侧脉具疏毛,边缘具粗锯齿;基出脉3-5条;叶柄长4-8厘米,具短柔毛;托叶狭三角形,长0.6-1厘米,具疏柔毛。雌雄异株,雌花序腋生,穗状,长15-30厘米,下垂,花序轴被柔毛;雌花苞片卵状菱形,散生,长约1毫米,全缘,外面具柔毛,苞腋具雌花3-7朵,簇生;雌花:萼片4(-3)枚,近卵形,长约0. 8毫米,顶端急尖,具短毛;子房近球形,密生灰黄色粗毛,花柱3枚,长6-7毫米,撕裂5-7条,红色或紫红色;雄花序未见。蒴果未见。花期2-11月。
分布(Distribution):原产于太平洋岛屿,南方有栽培。
用途(Use):现热带、亚热带地区广泛栽培为庭园观赏植物;我国台湾、福建、广东、海南、广西、云南南部的公园或庭园常有栽培,以其绿叶和红花序供观赏。
引自中国植物志英文版FOC Vol. 11 Page 251, 254
Acalypha hispida N. L. Burman, Fl. Indica. 303. 1768.
红穗铁苋菜 hong sui tie xian cai | Euphorbiaceae  | Acalypha
Shrubs, 1-3 m tall. Branchlets grayish tomentulose when young. Stipules triangular, 6-10 mm, pilose; petiole 4-8 cm; leaf blade broadly ovate or ovate, 8-20 × 5-14 cm, papyraceous, base broadly cuneate, obtuse, or subcordate, margin coarsely serrate, apex acuminate or acute; basal veins 3-5. Plants dioecious. Only female flowers known. Female flowers 3-7 in each bract, fascicled, subsessile; spikes 15-30 cm, axillary, pendulous; peduncle short, pubescent; bracts scattered, ovate-rhombic, ca. 1 mm, entire; sepals (3 or)4, subovate, ca. 1 mm, acute, puberulent; ovary subglobose, densely hirtellous; styles 3, 5-7 mm, laciniate, crimson or red-purple. Fl. Feb-Nov.
Cultivated in gardens; below 100-200 m. Fujian, Guangdong, S Guangxi, Hainan, Taiwan, S Yunnan [widely cultivated; origin possibly Bismarck Archipelago].
This species is cultivated as an ornamental.
狗尾红Acalypha hispida

狗尾红Acalypha hispida

狗尾红Acalypha hispida
(责任编辑:徐晔春)

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