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The cotyledons of the mature embryo are either green, yellow or chalky yellow.
成熟胚的子叶是绿色,黄色或浅黄色。
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Of or relating to seed germination in which the cotyledons remain below the surface of the ground.
地下生的,地下产生子叶的种子萌芽的,或与之有关的,在这种萌芽里胚胎保留在地表面以下
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Seed 1 and globose or rarely 2 and hemispheric; cotyledons fleshy.
种子1 和球状的或很少2 和半球形;子叶肉质。
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Embryo with cotyledons ± as long as or longer than hypocotyl; leaves not small and ericoid
胚具子叶多少等长或长于下胚轴;留下不小和石楠状 4
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Cotyledons play an important part in the early stages of seedling development.
子叶在种子发育的早期起到了重要的作用。
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Cotyledons:子叶
此部分可能由胚乳(endosperm)组织或子叶(cotyledons)组成. 覆盖在胚上的种皮或其他组织无法透水或空气(尤其是氧气),此时胚无法穿透并开始发芽的生理现象. 易发生於具有硬种皮(hard seed coats)种子如苜蓿、其他豆类或一些松树上. 二.
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immature cotyledons:未成熟子叶
黄瓜果实:immature cucumber fruit | 未成熟子叶:immature cotyledons | 雄花幼穗:immature male inflorescences
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uterine cotyledons:子宫绒毛叶;子宫叉
子宫肌钟 uterine bell | 子宫绒毛叶;子宫叉 uterine cotyledons | 子宫隐窝 uterine crypts
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subterranean cotyledons:地下子叶
Substomatal cavity 气(孔下)室 | subterranean cotyledons 地下子叶 | summer wood 晚材
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cotyledons turn yellow:子叶变黄
cotyledons starting to rotation ==> 子叶开始旋转 | cotyledons turn yellow ==> 子叶变黄 | cotyloid receptacle ==> 盘状花托
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