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北水苦荬Veronica anagallis-aquatica

时间:2013-11-11 15:41来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 北水苦荬 学名( Scientific Name ): Veronica anagallis-aquatica Linn. 英文名( English Common Name ): 别名( Chinese Common Name ): 仙桃草 异名( Synonym ): Veronica anagallis Linnaeus Veronica salina auct
中文名(Chinese Name):北水苦荬
学名(Scientific Name):Veronica anagallis-aquatica Linn.
英文名(English Common Name):
别名(Chinese Common Name):仙桃草
异名(Synonym):Veronica anagallis Linnaeus  Veronica salina auct. non Schur  Veronica lackschewitzii Keller  Veronica comosa auct. non Richter  Veronica connata auct. non Raf.  Veronica catenata Pennell  Veronica micromeria Woot. & Standl.  Veronica glandifera Pennell  Veronica comosa var. glandulosa (Farw.) Boivin  Veronica connata var. glaberrima (Pennell) Fern.  Veronica connata var. typica Pennell  Veronica comosa var. glaberrima (Pennell) Boivin  Veronica catenata var. glandulosa (Farw.) Pennell  Veronica connata subsp. glaberrima Pennell  Cardia amplexicaulis Dulac  Veronica anagallidiformis Boreau  Veronica anagallis var. latifolia Britton  Veronica anagallis-aquatica f. minuta Maire  Veronica anagallis-aquatica subsp. anagallidiformis Soó  Veronica lysimachioides Boiss.  Veronica anagallis-aquatica var. brittonii (Porter ex Pennell) Pennell  Veronica brittonii Porter ex Pennell  Veronica scardica Griseb.  Veronica aquatica Gray
科属Family & Genus):玄参科Scrophulariaceae婆婆纳属Veronica
形态特征Description):多年生(稀为一年生)草本,通常全体无毛,极少在花序轴、花梗、花萼和蒴果上有几根腺毛。根茎斜走。茎直立或基部倾斜,不分枝或分枝,高10-100厘米。叶无柄,上部的半抱茎,多为椭圆形或长卵形,少为卵状矩圆形,更少为披针形,长2-10厘米,宽1-3.5厘米,全缘或有疏而小的锯齿。花序比叶长,多花;花梗与苞片近等长,上升,与花序轴成锐角,果期弯曲向上,使蒴果靠近花序轴,花序通常不宽于1厘米;花萼裂片卵状披针形,急尖,长约3毫米,果期直立或叉开,不紧贴蒴果;花冠浅蓝色,浅紫色或白色,直径4-5毫米,裂片宽卵形;雄蕊短于花冠。蒴果近圆形,长宽近相等,几乎与萼等长,顶端圆钝而微凹,花柱长约2毫米(西藏产的植物的花柱常短至1.5毫米)。花期4-9月。
分布(Distribution):广布于长江以北及西南各省区。亚洲温带地区及欧洲广布。常见于水边及沼地,在西南可达海拔4000米的地方。
用途(Use):嫩苗可蔬食。
引自中国植物志英文版:FOC Vol. 18 Page 78     
Veronica anagallis-aquatica Linnaeus, Sp. Pl. 1: 12. 1753.
北水苦荬 bei shui ku mai | Scrophulariaceae  | Veronica
Perennials or rarely annuals, usually glabrous, rarely sparsely glandular hairy on inflorescence axes, pedicels, calyces, and capsules. Rhizomes inclined. Stems erect or procumbent at base, branched or not, 10-100 cm tall, succulent. Leaves sessile, amplexicaul upward; leaf blade elliptic to ovate, sometime ovate-oblong, rarely lanceolate, 2-10 X 1-3.5 cm, margin entire or sparsely serrate. Racemes axillary, many flowered, longer than leaves, often less than 1 cm wide. Pedicel 4-10 mm in fruit, as long as or longer than bract, ascending, at acute angle with inflorescence axis, curved upward in fruit and thus capsule close to inflorescence axis. Calyx 4-lobed; lobes ovate-lanceolate, ca. 3 mm, equal in size, erect or patent, not appressed to capsule in fruit, apex acute. Corolla pale blue, pale purple, or white, rotate, 4-5 mm in diam.; tube short; lobes broadly ovate, slightly unequal in width. Stamens shorter than corolla. Capsule subglobose, as long as wide, slightly compressed, as long as calyx, apex rounded and slightly notched. Style 1.5-2 mm. Seeds numerous, slightly flattened, convex on both sides. Fl. Apr-Sep. 2n = 36.
By water or in swamps; below 4000 m. Anhui, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang, Yunnan [Kazakhstan, Korea, Kyrgyzstan, Mongolia, Nepal, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; Europe, naturalized in North America].
 


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