三裂狐尾藻Myriophyllum ussuriense
中文名（Chinese Name）：三裂狐尾藻
学名（Scientific Name）：Myriophyllum ussuriense (Regel) Maxim.
英文名（English Common Name）：Russian water-milfoil
别名（Chinese Common Name）：乌苏里狐尾藻
异名（Synonym）：
科属（Family & Genus）：小二仙草科（Haloragaceae）狐尾藻属
形态特征（Description）：多年生水生草本，根状茎发达，生于水底泥中，节部生多数须根。茎圆柱形，常单一不分枝，长6-25厘米。水中茎中下部叶4片轮生，有时3片轮生，广披针形、长5-10毫米，羽状深裂，裂片短，对生，线形，全缘；茎上部水面叶仅具1-2片，极小，细线状；叶柄缺；苞片小，全缘，较花为短；茎叶中均具簇晶体。花单生于叶腋，雌雄异株，无花梗。雄花：萼钟状；花瓣4，倒卵状长圆形，长约2.5毫米；雄蕊8或6，花丝丝状，花药椭圆形、淡黄色。雌花：萼壶状，与子房合生，具极小的裂片；花瓣早落；子房下位，4室，四棱形；柱头4裂，羽毛状。果圆卵形，长约1毫米，有4条浅沟，表面具细疣，心皮之间的沟槽明显。花期5-6月，果期6-8月。
分布（Distribution）：产黑龙江、吉林、河北、安徽、江苏、浙江、台湾、广东、广西等省区，生于小池塘或沼泽水中。俄罗斯、朝鲜、日本等国也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 13 Page 430, 431
Myriophyllum ussuriense (Regel) Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 19: 182. 1873.
乌苏里狐尾藻 wu su li hu wei zao | Haloragaceae | Myriophyllum
Myriophyllum verticillatum Linnaeus var. ussuriense Regel, Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7, 4(4) [Tent. Fl.-Ussur.]: 60. 1861.
Plants dioecious, rarely monoecious or with bisexual flowers. Stem weak, 5-20 cm. Submerged leaves 3- or 4-whorled, pectinate, broadly lanceolate in outline, 5-10 × 2.5-5 cm; segments filiform, short, margin entire; emergent leaves 1 or 2, linear or lanceolate, minute, margin serrate to entire. Inflorescence of axillary flowers on emergent part of stem or a terminal spike; bracts and bracteoles elliptic, smaller than flowers, margin entire or serrate. Flowers 4-merous. Calyx tubular, shortly lobed. Petals pale reddish, obovate-oblong, ca. 2 mm. Stamens 8. Styles 4; stigmas white, long fimbriate. Fruit olive-brown, 4-loculed, subglobose, ca. 0.75 × 0.6 mm; mericarps finely tuberculate. Fl. May-Jun, fr. Jun-Aug.
Muddy waterside shallows; near sea level to 1800 m. Anhui, Guangdong, Guangxi, Hebei, Heilongjiang, Hubei, Jiangsu, Jilin, Jiangxi, Taiwan, Yunnan, Zhejiang [Japan, Korea, Russia].
In FRPS (53(2): 135. 2000), this species was included in Myriophyllum propinquum A. Cunningham, which is separated on the size and shape of the bracteoles and flowers and is restricted to Australia and New Zealand.
（责任编辑：徐晔春）
学名（Scientific Name）：Myriophyllum ussuriense (Regel) Maxim.
英文名（English Common Name）：Russian water-milfoil
别名（Chinese Common Name）：乌苏里狐尾藻
异名（Synonym）：
科属（Family & Genus）：小二仙草科（Haloragaceae）狐尾藻属
形态特征（Description）：多年生水生草本，根状茎发达，生于水底泥中，节部生多数须根。茎圆柱形，常单一不分枝，长6-25厘米。水中茎中下部叶4片轮生，有时3片轮生，广披针形、长5-10毫米，羽状深裂，裂片短，对生，线形，全缘；茎上部水面叶仅具1-2片，极小，细线状；叶柄缺；苞片小，全缘，较花为短；茎叶中均具簇晶体。花单生于叶腋，雌雄异株，无花梗。雄花：萼钟状；花瓣4，倒卵状长圆形，长约2.5毫米；雄蕊8或6，花丝丝状，花药椭圆形、淡黄色。雌花：萼壶状，与子房合生，具极小的裂片；花瓣早落；子房下位，4室，四棱形；柱头4裂，羽毛状。果圆卵形，长约1毫米，有4条浅沟，表面具细疣，心皮之间的沟槽明显。花期5-6月，果期6-8月。
分布（Distribution）：产黑龙江、吉林、河北、安徽、江苏、浙江、台湾、广东、广西等省区，生于小池塘或沼泽水中。俄罗斯、朝鲜、日本等国也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 13 Page 430, 431
Myriophyllum ussuriense (Regel) Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 19: 182. 1873.
乌苏里狐尾藻 wu su li hu wei zao | Haloragaceae | Myriophyllum
Myriophyllum verticillatum Linnaeus var. ussuriense Regel, Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7, 4(4) [Tent. Fl.-Ussur.]: 60. 1861.
Plants dioecious, rarely monoecious or with bisexual flowers. Stem weak, 5-20 cm. Submerged leaves 3- or 4-whorled, pectinate, broadly lanceolate in outline, 5-10 × 2.5-5 cm; segments filiform, short, margin entire; emergent leaves 1 or 2, linear or lanceolate, minute, margin serrate to entire. Inflorescence of axillary flowers on emergent part of stem or a terminal spike; bracts and bracteoles elliptic, smaller than flowers, margin entire or serrate. Flowers 4-merous. Calyx tubular, shortly lobed. Petals pale reddish, obovate-oblong, ca. 2 mm. Stamens 8. Styles 4; stigmas white, long fimbriate. Fruit olive-brown, 4-loculed, subglobose, ca. 0.75 × 0.6 mm; mericarps finely tuberculate. Fl. May-Jun, fr. Jun-Aug.
Muddy waterside shallows; near sea level to 1800 m. Anhui, Guangdong, Guangxi, Hebei, Heilongjiang, Hubei, Jiangsu, Jilin, Jiangxi, Taiwan, Yunnan, Zhejiang [Japan, Korea, Russia].
In FRPS (53(2): 135. 2000), this species was included in Myriophyllum propinquum A. Cunningham, which is separated on the size and shape of the bracteoles and flowers and is restricted to Australia and New Zealand.
（责任编辑：徐晔春）踩一下[0]
顶一下[0]