Search Result for "petalless": 
Wordnet 3.0

ADJECTIVE (1)

1. (of flowers) having no petals;
[syn: apetalous, petalless]



WordNet (r) 3.0 (2006):

petalless
    adj 1: (of flowers) having no petals [syn: apetalous,
           petalless] [ant: petaled, petalled, petalous]