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学名:雨久花。别名:风眼莲,洋水仙,水荷花[生态,形态]多年生水生草本植物,浮于水面生长,根为须根,丛生于短缩茎基部,新根兰紫色,老根黑色。叶为根出叶,肾脏形,集生于短缩茎上直立生长.植株一般有6—7叶片,叶深绿有光,叶肉肥厚,柔嫩多汁,叶面有蜡质层,叶长20—30厘米,叶柄中部膨大如葫芦状,内为海绵组织,含有大量空气,使整个植株得以浮于水面。
Scientific name: rain for a long time. Alias: eye lotus, daffodil, water lotus [Ecology, morphology] perennial aquatic herbs, floating in the water surface growth, the root is fibrous, rooted in the base of the shortening, the new root blue, the root of the old black. Leaf is root out, kidney-shaped, set in the shortening stems upright growth plants generally 6-7 leaves, dark green leaves, hypertrophy of leaves, tender and juicy leaves with waxy layer, leaf length 20 -30 cm, the middle of the petiole swollen gourd-like, which is sponge tissue, containing a lot of air, so that the whole plant to float in the water.