involute

English Thesaurus

1. (of some shells) closely coiled so that the axis is obscured (adj.all)

similar	:	coiled, coiled,
definition	:	curled or wound (especially in concentric rings or spirals) (adj.all)

2. especially of petals or leaves in bud; having margins rolled inward (adj.all)

domain category	:	botany, phytology,
definition	:	the branch of biology that studies plants (noun.cognition)