- n.
【植物；植物學(xué)】苔帽；根冠；冠狀部。
下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
calyptra中文什么意思
例句與用法
- The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra
第一葉突出帽狀體之后，由第一葉基部保留下來(lái)的莖干頂端細(xì)胞產(chǎn)生第二葉。 - Based on the field investigations and laboratory examinations , a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt . ) nog . in fanjing mountain reveals that its habitats are different among different host trees , but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks , less light , high relative humidity , slow wind speed , slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species , the morphology is remarkably different between its perichaetium and perigonium , the number of its perichaetia is much more than that of its perigonia , its perigonium is difficult to find out , its sporophyte is upright , its seta is long and thin , its capsule is regular long oval and its calyptra is cucullate
摘要通過野外調(diào)查和室內(nèi)觀測(cè)對(duì)貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明，其生境因其所附生的樹種不同而有所不同，但具有共同特點(diǎn)：附生在樹干下部距地面2m高的范圍之內(nèi)，光照弱、濕度大、風(fēng)速小、蒸發(fā)量小、中下部樹皮保持濕潤(rùn)的持續(xù)時(shí)間長(zhǎng)；其為雌雄異株蘚種，雌、雄器苞形態(tài)差異明顯，雌器苞數(shù)量多，雄器苞數(shù)量少并且難于發(fā)現(xiàn)，孢子體直立，蒴柄細(xì)長(zhǎng)，孢蒴規(guī)則長(zhǎng)卵形，蒴帽兜形。
英文釋義
名詞- the hood or cap covering the calyx of certain plants: e.g., the California poppy