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不同地区望天树种群形态特征的比较
朱华;
中国科学院西双版纳热带值物园 勐腊 666303
摘要:
本文比较了间断分布在云南南部、东南部和广西西南部的望天树种群的形态特征,三者的差异主要在果翅上。云南南部的望天树果翅短而宽,广西西南部的果翅长而窄,云南东南部的望天树居中;云南南部的望天树果翅长度在广西望天树的翅长变幅内,翅宽虽超出后者变幅,却在云南东南部的翅宽变幅内。三者在形态特征上有统计学的差异,但变异是连续的,在分类学上区分为三个变种还嫌不足。
关键词:  望天树  地区种群  比较  
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