黄花蔺Limnocharis flava

黄花蔺Limnocharis flava

黄花蔺Limnocharis flava

黄花蔺Limnocharis flava

中文名(Chinese Name):黄花蔺
学名(Scientific Name):Limnocharis flava (L.) Buchenau
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Alisma flava L.;Limnocharis emarginata Bonpl.;Limnocharis plumieri Rich.;Damasonium flavum (L.) Mill.;Damasonium maximum Burm. ex Steud.;Limnocharis flava var. indica Buchenau
科属Family & Genus):花蔺科(Butomaceae)黄花蔺属
形态特征Description):水生草本。叶丛生,挺出水面;叶片卵形至近圆形,长6-28厘米,宽4.5-20厘米,亮绿色,先端圆形或微凹,基部钝圆或浅心形,背面近顶部具1个排水器;叶脉9-13条,横脉极多数,平行,几与中肋垂直,网脉细密,不明显;叶柄粗壮,三棱形,长20-65厘米。花葶基部稍扁,上部三棱形,长20-90厘米;伞形花序有花2-15朵,有时具2叶;苞片绿色,圆形至宽椭圆形,外面最大者长1.5-2厘米,宽1-1.5厘米,具平行细脉;花梗长2-7厘米;内轮花瓣状花被片淡黄色,基部黑色,宽卵形至圆形,蕾时纵褶,先端圆形,长2-3厘米,宽1-2厘米;雄蕊多数,短于花瓣,假雄蕊黄绿色,花丝绿色,部分在果期宿存;雌蕊黄绿色。果圆锥形,直径1.5-2厘米,由多数半圆形离生心皮组成,为宿存萼片状花被片所包。种子多数,褐色或暗褐色,马蹄形,具多条横生薄翅。花期3-4月。
分布(Distribution):产云南及广东沿海岛屿,生于海拔600-700米的沼泽或浅水中。东南亚、美洲热带也有。
用途(Use):
引自中国植物志英文版FOC Vol. 23 Page 89
Limnocharis flava (Linnaeus) Buchenau, Abh. Naturwiss. Vereins Bremen. 2: 2. 1869.
黄花蔺 huang hua lin | Alismataceae  | Limnocharis
Alisma flavum Linnaeus, Sp. Pl. 1: 343. 1753; Damasonium flavum (Linnaeus) Miller; Limnocharis emarginata Humboldt & Bonpland.
Petiole trigonous, 20-65 cm, stout; leaf blade 6-28 × 4.5-20 cm, veins 9-13, transverse veins numerous, parallel, base obtuse or subcordate, apex obtuse or retuse. Scapes upper trigonous, 20-90 cm; umbels 2-15-flowered; bracts green, orbic-ular to broadly elliptic, 1.5-2 × 1-1.5 cm. Pedicels 2-7 cm. Petals yellowish but blackish toward base, broadly ovate to orbicular, 2-3 × 1-2 cm, apex rounded. Stamens shorter than petals; filaments green. Carpels yellowish green. Fruit cluster 1.5-2 cm in diam.; follicles suborbicular. Seeds brown. Fl. Mar-Apr.
Naturalized in marshes and shallow water; 600-700 m. Guangdong, S Yunnan [native to the Caribbean, Central America, North America (Mexico), and South America; naturalized throughout S and SE Asia].
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