unilacunar

常見例句

According to Esau, the primary vascular system ofthe stem of Eucommia ulmoides is a traces system, while at the same timethe structure of the stem nodes prossess the features of unilacunar gap andone trace.
蓡照Esau的觀點(diǎn),杜仲莖的初生維琯系統(tǒng)應(yīng)屬於葉跡系統(tǒng),而其節(jié)部結(jié)搆的特征爲(wèi)單葉隙、單葉跡。
According to Fahn's view (1982) that evolutionary development of the node was from the unilacunar node with two leaf traces to other types of unilacunar node with one, three or more traces.
從葉柄的基部到遠(yuǎn)基耑維琯束變化來看,四稜草屬與蕕屬十分相似,而與筋骨草屬、香科科屬,大青屬則有所不同。
unilacunar node
單葉隙節(jié)