haptera
基本解釋
- n.附著器；吸胞；菌索基
英漢例句
- On drying out, the arms, or haptera, act in similar manner to the elaters of liverworts, and are thus termed elaters.See elater.
這種中柱類(lèi)型存在於象萊尼蕨這樣一些著名的原始維琯植物中。 - Hapteron (pl. haptera)1.See holdfast. 2.In species of Equisetum (horsetails), the outer wall of the spore, which forms an X-shaped structure, the arms of which are wraped around the spore.
單中柱：原生中柱的一種類(lèi)型，是由靭皮部、中柱鞘和內(nèi)皮層包圍著內(nèi)方的木質(zhì)部搆成的實(shí)心中柱。