It connects that genus with the real Orchides with palmate bulbs.
palmate: like the palm of the hand, with finger-like processes.
The branches are more or less flattened, and often are palmate at the ends.
The leaves are palmate, and they are divided into three or five stalked leaflets.
Climbing, with lobed, palmate pinn and terminal fruit-clusters.
It was a large tree, with palmate leaves having seven fingers.
Low trees or shrubs with alternate, palmate leaves of three leaflets.
In the adjoining cut the intermediate stages between a palmate or digitate leaf to a pinnate one may be seen.
Sometimes we find syndactylism, or palmate fingers, a continuation of the interdigital skin to the second phalanx.
Passage of pinnate to palmate leaves in horse-chesnut 439 'chesnut may be old spelling for chestnut?'
palmate pal·mate (pāl'māt', päl'-, pä'māt') or pal·mat·ed (-mā'tĭd)
Having a shape similar to that of a hand with the fingers extended.