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多花水苋Ammannia multiflora

时间:2013-09-26 14:57来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):多花水苋 学名( Scientific Name ): Ammannia multiflora Roxb. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Ammannia multiflora var. parviflora (DC.) Koehne Ammannia parvif
中文名(Chinese Name):多花水苋
学名(Scientific Name):Ammannia multiflora Roxb.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Ammannia multiflora var. parviflora (DC.) Koehne  Ammannia parviflora DC.  Suffrenia dichotema Miq.  Ammannia australasica F. Muell.  Ammannia japonica Miq.  Ammannia madagascariensis Boivin ex Tul.  Ammannia senegalensis var. multiflora Hiern  Ammannia multiflora f. decipiens Koehne  Ammannia multiflora f. ramosissima Koehne  Cryptotheca dichotoma Blume  Ditheca debilis Miq.  Suffrenia dichotoma Miq.
科属(Family & Genus):千屈菜科(Lythraceae)水苋菜属
形态特征(Description):草本,直立,多分枝,无毛,高8-35(-65)厘米,茎上部略具4棱。叶对生,膜质,长椭圆形,长8-25毫米,宽2-8毫米,顶端渐尖,茎下部的叶基部渐狭,中部以上的叶基部通常耳形或稍圆形,抱茎。多花或疏散的二歧聚伞花序,总花梗短,长约2毫米,纤细,花梗长约l毫米;小苞片2枚,微小,线形;萼筒钟形,长1.5毫米,稍呈4棱,结实时半球形,裂片4,短三角形,比萼筒短得多;花瓣4,倒卵形,小而早落;雄蕊4,稀6-8,生于萼筒中部,与花萼裂片等长或稍长,花柱长0.5-1毫米,线形。蒴果扁球形,直径约1.5毫米,成熟时暗红色,上半部突出宿存萼之外;种子半椭圆形。花期7-8月,果期9月。
分布(Distribution):产我国南部各省区,常生于湿地或水田中。广布于亚洲、非洲、大洋洲及欧洲。
用途(Use):
引自植物志英文版:FOC Vol. 13 Page 275
Ammannia multiflora Roxburgh, Fl. Ind. 1: 447. 1820.
多花水苋菜 duo hua shui xian cai | Lythraceae  | Ammannia
Ammannia australasica F. Mueller; A. japonica Miquel; A. parviflora Candolle; A. multiflora var. parviflora (Candolle) Koehne; Suffrenia dichotoma Miquel.
Herbs, annual, 8-65 cm tall. Stems with numerous, ascending, short branches. Leaves opposite, narrowly elliptic, broadly linear, or lanceolate-oblong, 1-2.5 cm × 3-12 mm, base attenuate to cordate. Flowers 3-7(-20) in dense axillary cymes; pedicels 1-2[-6] mm; peduncle 1-2 mm; bracteoles linear, not reaching floral tube. Floral tube campanulate, ca. 1.5 mm, 4-ribbed; sepals 4, deltate. Petals 4, pink to whitish, obovate, minute. Stamens 4, rarely 6-8. Style 1/3-1/2 as long as ovary. Capsules red-brown or red-wine colored, ca. 1.5 mm in diam., ca. 1/2 exserted. Fl. Jul-Aug, fr. Sep. 2n = 18.
Wet places, farmland. S China (including Taiwan) [tropics and subtropics of Africa, Asia, and Australia].
The differences between this species and Ammannia auriculata are minor or overlapping.
 


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