Basal leaves rosulate, simple, usually pinnately lobed, lyrate, or runcinate, rarely entire or toothed.
莲座状,单的基生叶,羽状浅裂的通常,大头羽裂,倒向羽裂的或,很少全缘或齿。
英语百科
Pinnation
Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in patterns of erosion or stream beds.