-
having no parts resembling rays; not having ray flowers
Definition that contains rayless
- bog rhubarb small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
- tanacetum camphoratum densely hairy plant with rayless flowers; San Francisco Bay area
- nodding groundsel plant with erect leafy stems bearing clusters of rayless yellow flower heads on bent individual stalks; moist regions of southwestern United States
- rayless chamomile annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers
- camphor dune tansy densely hairy plant with rayless flowers; San Francisco Bay area
- petasites hybridus small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
- santolina genus of Mediterranean subshrubs with rayless flower heads
- genus santolina genus of Mediterranean subshrubs with rayless flower heads
- petasites vulgaris small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
- butterbur small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas