资料库编号: Database ID: |
MY-7646 |
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中文名称: Chinese Name: |
冠果草 |
中文別名: | 土紫菀 |
学名: Scientific Name: | Sagittaria guayanensis subsp. lappula [找同属植物] |
植物科名: Family Name: | 泽泻科 Alismataceae [找同科植物] |
生长习性: Living Behavior | 多年生水生浮叶草本 |
图片花色: | 白_white |
生长环境: Living Environment: | 池塘、稻田 |
输入时间: Input Time: | 201811 |
Remarks: 百度百科: 多年生水生浮叶草本。叶基生;叶柄长短不等,常视水的深浅而定;叶片沉水或浮于水面;沉水叶条形、条状披针形或叶柄状;浮水叶圆形或宽卵形,长4-10cm,宽1-9cm,先端圆,基部深心形,裂片的基部通常锐尖。花葶上端露出水面,总状花序长2-20cm;花2-3朵轮生;花序下部1-3轮为两性花,花序上部数轮为雄花;花梗短而粗;外轮花被片3,萼片状,卵形,长5-9mm,宿存,内轮花被片3,花瓣状,白色,基部淡黄色;雄蕊9-15,花丝基部扁;心皮多数,螺旋状排列于球形的花托上。瘦果扁,有翅,翅缘有深齿裂;种子褐色。花期8-10月。 Flora of China: Stolons usually lacking. Floating leaves broadly ovate to cordate-ovate, 1.2-9 × 1-10 cm, base deeply cordate, apex obtuse; submerged leaves linear or lanceolate, 3-11 cm × 5-10 mm. Inflorescences racemose, 8-40 cm, in 2-6 whorls of 3 flowers; bracts connate toward base. Bisexual flowers usually on lower 1-4 whorls; pedicels 1-1.5 cm, thickened. Male flowers with pedicel 2-5 cm. Sepals not reflexed after anthesis, ovate, 0.5-1.5 cm × 3-15 mm. Petals fugacious, obovate, subequal to sepals. Stamens 6 to numerous; anthers yellow. Achenes obovoid or elliptic, 2-4 × 1.5-3 mm, with cristate wing and oblique adaxial beak. Fl. May-Sep, fr. Jun-Nov. 2n = 22*. | |
If there is any error, please contact us at info@hkcww.org | |
1-7646a | |
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11-7646k |