Caducous, dropping off very early, compared with other parts; as the calyx in the Poppy, falling when the flower opens.
Cæruleous, blue. Cærulescent, becoming bluish.
Cæspitose, or Cespitose, growing in turf-like patches or tufts.
Calathiform, cup-shaped.
Calcarate, furnished with a spur (calcar), [86], [87].
Calceolate or Calceiform, slipper-shaped, like one petal of the Lady's Slipper.
Callose, hardened; or furnished with callosities or thickened spots.
Calvous, bald or naked of hairs.
Calyciflorus, when petals and stamens are adnate to calyx.