花卉图片网

花卉图片网

当前位置: 主页 > 球根花卉 >

黄花酢浆草Oxalis pes-caprae

时间:2013-12-07 14:23作者:徐晔春 点击: 次 标签: 酢浆草科 Oxalidaceae 酢浆草属 Oxalis
  中文名(Chinese Name):黄花酢浆草
学名(Scientific Name):Oxalis pes-caprae Linn.
英文名(English Common Name):黄麻子酢浆草
别名(Chinese Common Name):
异名(Synonym):Bolboxalis cernua (Thunb.) Small  Acetosella cernua (Thunb.) Kuntze  Oxalis biflora Burm.f.  Oxalis anthelmintica A.Rich.  Oxalis burmannii Jacq.  Oxalis cernua var. namaquana Sond.  Oxalis concinna Salisb.  Oxalis ehrenbergii Schltdl.  Oxalis grandiflora Arechav.  Oxalis kuibisensis R. Knuth  Oxalis lybica Viv.
科属(Family & Genus):酢浆草科Oxalidaceae酢浆草属Oxalis
形态特征(Description):多年生草本,高5-10厘米。根茎匍匐,具块茎,地上茎短缩不明显或无地上茎,基部具褐色膜质鳞片。叶多数,基生;无托叶;叶柄长3-6厘米,基部具关节;小叶3,倒心形,长约2厘米,宽2-2.5厘米,先端深凹陷,基部楔形,两面被柔毛,具紫斑。伞形花序基生,明显长于叶,总花梗被柔毛;苞片狭披针形,长2.5-4毫米,宽约1毫米,先端急尖;花梗与苞片近等长或稍长,被柔毛,下垂;萼片披针形,长4.5-6毫米,宽1.5-2毫米,先端急尖,边缘白色膜质,具缘毛;花瓣黄色,宽倒卵形,长为萼片的4-5倍,先端圆形、微凹,基部具爪;雄蕊10,2轮,内轮长为外轮的2倍,花丝基部合生;子房被柔毛。蒴果圆柱形,被柔毛。种子卵形。
分布(Distribution):我国有栽培。原产南非,我国作为观赏花卉引种。
用途(Use):
引自植物志英文版:FOC Vol. 11 Page 3, 4
Oxalis pes-caprae Linnaeus, Sp. Pl. 1: 434. 1753.
黄花酢浆草 huang hua cu jiang cao | Oxalidaceae  | Oxalis
Oxalis cernua Thunberg.
Perennials, 5-15(-40) cm tall, acaulescent, sparsely pubescent; bulb with white fleshy contractile root and a slender vertical stem rising to soil surface; underground stem and soil surface crown bearing numerous small bulbils and scales. Petiole 3-10 cm, erect to spreading; leaflet blades obcordate, 0.8-2 × 1.2-3.2 cm, slightly succulent, bright green often with dark purple spots, glabrous, apex deeply emarginate. Umbellate cymes with 3-20 flowers; peduncle 2 × as long as petioles. Flowers 2-3 cm across, nodding. Sepals lanceolate, 2.5-4 × ca. 1 mm, apex with a pair of orange calli. Petals deep golden yellow, obovate. Capsule long terete, pubescent, very rarely formed. Fl. Apr-Sep.
Cultivated grounds, open habitats; low elevations. Naturalized at least in Fujian but cultivated elsewhere in S China and very likely to escape and spread vegetatively [native to South Africa].
This species is cultivated as an ornamental in at least Hubei, Shaanxi, and Xinjiang. It is widely introduced and a problem weed in the Mediterranean and warm temperate and subtropical areas.




顶一下
(27)
75%
踩一下
(9)
25%
------分隔线----------------------------
推荐内容
广告