from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. (of a flower) Having petals arranged in a radially symmetric pattern.
from The Century Dictionary and Cyclopedia
- Ray-shaped: in botany, applied to flowers which may be divided vertically into similar halves through two or more planes: synonymous with polysymmetrical.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. capable of division into symmetrical halves by any longitudinal plane passing through the axis
actino- + -morphous (Wiktionary)