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海藻树的形态特征

更新时间: 2020-06-27 00:00:00     

1、大叶海藻:皱缩卷曲,黑褐色,有的被白霜,长三十至六十厘米。主干呈圆柱状,具圆锥形突起,主枝自主干两侧生出,侧枝自主枝叶腋生出,具短小的刺状突起。初生叶披针形或倒卵形,长五至七厘米,宽约一厘米,全缘或具粗锯齿。次生叶条形或披针形,叶腋间有着生条状叶的小枝,气囊黑褐色,球形或卵圆形,有的有柄,顶端钝圆,有的具细短尖。质脆,潮润时柔软,水浸后膨胀,肉质,粘滑,气腥,味微咸;

2、小叶海藻:较小,长十五至四十厘米,多年生褐藻,暗褐色,高三十至一百厘米。分枝互生,无刺状突起,叶条形或细匙形,先

关键词: 海藻 形态 特征

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