sessile是什么意思

Cauline leaves sessile, not auriculate, often entire.
无柄的茎生叶，并非耳形，经常整个。

Cauline leaf sessile, semiamplexicaul, similar to basal ones but much smaller, base sometimes with a few rusty brown appendages.
无柄的茎生叶，半抱茎，类似于基生者和非常小，有时基础有一些生锈的棕色的附加物。