- pore solitary
- solitary pore
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單管孔的英文
例句與用法
- Hymenanthesoides : growth rings boundaries distinct
單管孔：導管散生。 - Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails
導管橫切面為多角形，單管孔，散生。螺紋加厚僅出現(xiàn)導管分子尾端。梯狀穿孔為主。 - Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates reticulate and scalariform ; intervessel pits and vessel - ray pitting alternate ; helical thickenings throughout body of vessel elements
單管孔，散生；整個導管分子上具螺紋加厚。網狀和梯狀穿孔。