- 更多网络例句与雄孢子囊相关的网络例句 [注:此内容来源于网络,仅供参考]
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Pollen cones terminal, solitary or clustered in leaf axils, or borne in spikelike complexes; individual cones pedunculate or sessile; microsporophylls numerous, spirally arranged, with distinct adaxial and abaxial surfaces; microsporangia 2; pollen 2(or 3)-saccate in Chinese species,.
雄球花单个顶生,或者在叶腋簇生,或者形成穗状复合花序;雄球花有花序梗或者无;小孢子叶许多,螺旋状排列,背腹面显著;小孢子囊2个;中国的种类的花粉2 (-3)气囊,。
- 更多网络解释与雄孢子囊相关的网络解释 [注:此内容来源于网络,仅供参考]
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androspore:产雄器孢子,雄孢子,小孢子
androsporangium 雄孢子囊 | androspore 产雄器孢子,雄孢子,小孢子 | androsterone 雄(甾)酮
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megasporangium:大孢子囊
孢子叶球棒状生于枝顶,横切面方形,孢子囊有两种,大孢子囊(megasporangium)含4个大孢子,大孢子散布,萌发成雌配子体;小孢子囊(microsporangium)内含多数小孢子,小孢子萌发形成雄配子体.
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microsporangium:小孢子囊
横切面方形,孢子囊有两种,大孢子囊(megasporangium)含 4 个大孢子,大孢子散布,萌发成雌配子体;小孢子囊(microsporangium)内含多数小孢子, 小孢子萌发形成雄配子体.配子体的发育均在孢子壁内发育.雌配子体的发育经过游离核阶段,
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microspore tetrad:四分小孢子
小孢子母细胞(雄) microspore mother cell | 四分小孢子 microspore tetrad | 小孢子囊果 microsporocarp
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androecial:雄花異株性
雄孢子囊;小孢子囊 androsporangium | 雄花異株性 androecial | 雄配子 androgamete; male gamete
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androsporangium:雄孢子囊
androsome 限雄染色体 | androsporangium 雄孢子囊 | androspore 产雄器孢子,雄孢子,小孢子
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androsporangium:雄孢子囊;小孢子囊
"产雄精子","androspermium ; androsperm" | "雄孢子囊;小孢子囊","androsporangium" | "间生藻的雄孢子;小孢子;小胞子","androspore"
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diplostemonous:雄蕊二輪的
雄球花;雄孢子囊穗;小孢(胞)子囊穗 androstrobilus | 雄蕊二輪的 diplostemonous | 雄蕊無效 adynamandry