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作 者 ：王迎春 马虹

期 刊 ：西北植物学报 2000年 4期

关键词：四合木；繁育特性；有性生殖；无性生殖；物种保护；

Keywords:Tetraena mongolica Maxim, reproductive characteristics,

摘 要 ：对四合木（Ｔｅｔｒａｅｎａ ｍｏｎｇｏｌｉｃａ Ｍａｘｉｍ）的系列特性做了综合研究。结果表明，四合具有有性和无性生殖２种形式的繁育系统，以有性生殖占主导地位。该种成熟的花粉及柱头表面均较平滑，开花时花柱伸和苴柱头稍有膨大，但估不发达。子 在部具花盘。子房壁和花盘执行蜜腺功能。开花前，密腺开始发育，花后密腺成熟并有分泌行为。套袋实验发现，四合木传粉方式以异花传粉为主，传粉结束后统计，异花传粉结实率为

Abstract:The reproductive characteristics of Tetraena mongolica Maxim were studied comprehensively.The results were presented as follows: Tetraena mongolica Maxim had two forms of reproductive system:sexual and asexual,the former played a leading role.The s

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