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| 資料編號: | HK-1978 |
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| 中文名稱: | 慈姑 |
| 學名: | Sagittaria trifolia subsp. leucopetala [找同屬植物] |
| 異名: | Sagittaria sagittifolia subsp. leucopetala |
| 英文名稱: | Chinese Arrow-head |
| 英文別名: | Arrow Head |
| 植物科名: (APG新系統) | ALISMATACEAE澤瀉科 [找同科植物] |
| 標室舊系統 | ALISMATACEAE澤瀉科[找同科] |
| 生長習性: | 草本 |
| 原生/外來: | 香港原生植物 |
| 圖片花色: | white |
| 發現開花: | May |
| 生長環境: | 水生植物_淡水植物 |
| 特別特徵: | 可食用植物_挺水葉 |
| 資料更新: | 20250529 10:04:07 pm |
| 備註: 挺水形水生植物，見於水田。花果期5-9月。沉水葉線形，較難見；挺水葉箭形，全緣，長葉柄。花序總狀，多輪，每輪2-3朵花。雄花位於上部，而雌花位於下部，多被葉片遮蓋。花色白。聚合果球狀. 深圳植物誌: 與野慈姑(Sagittaria trifolia)的差別在於：植株高大、粗壯；球莖長4-5cm，直徑3-4cm。挺水葉葉片戟形，兩側裂片通常長於頂裂片，頂裂片寬卵形，寬9-16cm，先端鈍。圓錐花序的分枝常為3輪，每輪有3或較多的分枝。 香港植物標本室: Perennial herb, emersed, stoloniferous; tuber ovoid-globular or globular, 5–7 cm. Leaves long-petiolate; blades sagittate, central lobe ovate to broadly ovate, 9–16 cm, 5–7-veined, apex central lobe, lateral lobes usually longer than central lobe. Scapes 40–70 cm. Racemes sometimes 1–3-branched at base; female flowers, on lower 1–8 whorls, pedicels 1–2 cm; male flowers with longer pedicels, on the upper part. Sepals ovate, 6–8 mm, reflexed. Petals white, twice as large as sepals. Stamens many, anthers yellow. Achenes obliquely obovate, 4 × 3 mm, winged, shortly beaked. Seeds brown. | |
| 如資料有任何錯誤,歡迎聯絡本會. info@hkcww.org | |
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