gametopetalous

(redirected from sympetalous)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

gametopetalous

or

sympetalous

(of flowers) having a structure in which the petals are fused to form a tube-like shape, as in the primrose and convolvulus. Other flowers, such as the buttercup and tulip, have petals which are completely free, i.e. polypetalous.
References in periodicals archive ?
Calyx lobes ciliate, persistent; corolla sympetalous, cylindrical, the lobes either fused to form a calyptra that splits transversely and falls at anthesis to leave a persistent basal ring, or lobes free and the corolla tube sometimes constricted at the throat.
Calyx lobes persistent; corolla sympetalous, though sometimes petals almost free, cylindrical, sometimes conspicuously constricted at the throat, or spreading; the lobes imbricate to almost valvate in the bud.
Calyx lobes ciliate, persistent; corolla sympetalous, cylindrical, the lobes straight, spreading or recurved, mostly valvate in bud, occasionally imbricate.
Calyx lobes usually 4 or 5, variable in size, usually persistent, sometimes fleshy; corolla usually sympetalous, urceolate to cylindrical or campanulate, deciduous, with the usually 4 or 5 lobes small to less commonly large.
Calyx lobes small, persistent; corolla sympetalous, [+ or -] urceolate, the lobes small; stamens 10, the filaments straight, unicellular-pubescent, lacking spurs; anthers slightly roughened, with a white deposit of disintegration tissue dorsally, dehiscing by terminal, slitlike pores.
Calyx lobes usually small, persistent; corolla sympetalous, usually urceolate to tubular, the lobes small.
Calyx lobes small to enlarged, often fleshy and colorful in fruit, persistent; corolla sympetalous, usually urceolate to tubular, the lobes small.