水毛茛Batrachium bungei

中文名(Chinese Name):水毛茛
学名(Scientific Name):Batrachium bungei (Steud.) L. Liu
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Ranunculus bungei Steud.  Ranunculus trichophyllus var. chanetii H. Lév.
科属(Family & Genus):毛茛科(Ranunculaceae)水毛茛属
形态特征(Description):多年生沉水草本。茎长30厘米以上,无毛或在节上有疏毛。叶有短或长柄;叶片轮廓近半圆形或扇状半圆形,直径2.5-4厘米,3-5回2-3裂,小裂片近丝形,在水外通常收拢或近叉开,无毛或近无毛;叶柄长0.7-2厘米,基部有宽或狭鞘,鞘长3-4毫米,通常多少有短伏毛,偶尔叶柄只有鞘状部分。花直径1-1.5(-2)厘米;花梗长2-5厘米,无毛;萼片反折,卵状椭圆形,长2.5-4毫米,边缘膜质,无毛;花瓣白色,基部黄色,倒卵形,长5-9毫米;雄蕊10余枚,花药长0.6-1毫米; 花托有毛。聚合果卵球形,直径约3.5毫米;瘦果20-40,斜狭倒卵形,长1.2-2毫米,有横皱纹。花期5月至8月。
分布(Distribution):分布于辽宁、河北、山西、江西、江苏、甘肃、青海、四川、云南和西藏。生于海拔3000多米以下的高山山谷溪流、河滩积水地、平原湖中或水塘中。
引自中国植物志英文版:FOC Vol. 6 Page 432     
Batrachium bungei (Steudel) L. Liou, Fl. Reipubl. Popularis Sin. 28: 341. 1980.
水毛茛 shui mao gen| Ranunculaceae  | Batrachium
Herbs perennial, submersed. Stems ca. 30 cm or more, branched, glabrous or sparsely puberulent on nodes. Petiole 4--12(--18) mm, glabrous or sheath abaxially sparsely puberulent; leaf blade flabellate or semiorbicular in outline, 1--2.5 × 1.8--3.5 cm, glabrous, 3-sect; segments 4 or 5 × sect, ultimate lobules filiform, soft, ± collapsing out of water. Flower 0.5--1.8 cm in diam. Pedicel 2.2--3.5 cm, glabrous. Receptacle conical in flower and fruit, puberulent. Sepals (4 or)5, elliptic, 1.6--5.5 mm, glabrous. Petals (4 or)5, white with yellow base or yellow throughout, obovate, 2.5--10 × 1.4--7 mm, apex rounded. Stamens 5--20; anthers oblong, ca. 1 mm. Aggregate fruit subglobose or broadly ovoid, 4--5 × 4--5 mm; achenes obliquely obovoid, 1.2--1.4 × ca. 1 mm, glabrous, with ca. 6 transverse wrinkles. Persistent style ca. 0.1 mm.
Ponds, lakes, streams, swamps; near sea level--4900 m. Gansu, N Guangxi, Hebei, SW Hubei, Hunan, N and S Jiangsu, Liaoning, E Qinghai, Shanxi, W and NW Sichuan, Xizang, NW Yunnan, Zhejiang [Kashmir].
 水毛茛Batrachium bungei

水毛茛Batrachium bungei

水毛茛Batrachium bungei
(责任编辑:徐晔春)

顶一下[4]

踩一下[2]