Cotyledons mostly fleshy and convex abaxially, rarely folded or convolute.
子叶几乎肉质并且背面凸, 很少折叠或旋卷。
Cotyledons fleshy, usually with abundant oil.
肉质的子叶, 通常具丰富的油。
an accumbent cotyledon
侧倚子叶, 缘倚子叶
Shoot began differentiation in cotyledonary embryo and the plenty of starch grains accumulated in it.
子叶胚期，芽开始分化，有大量糊粉粒累积。
The light cycle has no action on the differentiation of cotyledon.
光周期与子叶的分化没有关系。
Advance of Agrobacterium on Monocotyledons Plants
农杆菌在单子叶植物上的研究进展
Family of more or less advanced dicotyledonous trees and shrubs and herbs.
或多或少先进的双子叶乔木灌木和草本植物科。
The regeneration system of mustard through adventitious induction from cotyledon was established.
建立了茎瘤芥子叶直接诱导不定芽的再生体系。
Effects of spermine and NAA on adventitious root formation in excised cucumber cotyledons
精胺、萘乙酸对离体黄瓜子叶不定根形成的影响
a monocotyledonous genus of graceful palm trees in tropical America.
热带美洲一种优美的单子叶棕榈属。
a monocotyledonous genus of tropical American palm trees.
一个美洲热带单子叶棕榈属。
In angiosperms there are 475 species of monocotyledon and 567 species of dicotyledon.
被子植物中单子叶植物475种，双子叶植物567种。
Family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms.
双子叶开花植物科认为原始的现存的被子植物。
The plan is firstly studied at the aspect that the monocotyledon is sowed and prototype of a machine trialproduction.
计划首先在单子叶植物播种方面进行研究和样机试制。
Whether the variations in cotyledons are caused by physiological or genetic factors must await more research.
子叶的变异是遗传原因还是生理影响尚需进一步研究。
The turf fibre cover is provided with the fertilizer, bactericidal agent and dicotyledon herbicide.
所述草纤维覆盖层置有肥料，杀菌剂，双子叶除草剂。
There was a big difference in the induction frequency from cotyledon culture to various genotypes of faba bean.
不同基因型对蚕豆子叶节诱导芽效果差异很大。
A Study on the Relationship of Stomatal Density of Sugarbeet Cotyledon and Sugar Content in Beet Root.
甜菜子叶气孔密度与块根含糖率关系的研究
That portion of the embryonic stem below the cotyledons.
子叶着生处以下的胚轴部分。
Application of the Excised Cucumber Cotyledon root formation bioassay
离体黄瓜子叶生根试法的应用
a family of monocotyledonous bog herbs of order Naiadales.
沼泽的单子叶植物属茨藻目。
A monocotyledonous family of bog plants of order Xyridales.
单子叶植物科属黄眼草目沼泽植物。
family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
大多数是木本双子叶开花植物，花为单性且常有柔荑花
embryo with broad fleshy cotyledons completely united externally or not.
胚具宽的肉质的子叶在外部完全合生或者不。
Cotyledons broadly ovate or subcordate, radicle superior.
子叶宽卵形的或近心形, 胚根上位。
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