tetradynamous


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Related to tetradynamous: placentation, didynamous, syngenesious, syncarpous

tetradynamous

(of plant stamens), being six in number, two shorter than the other four.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Sepals oblong, free, deciduous, erect to ascending, subequal, margin not membranous; petals white to lavender or purple, obovate to spatulate, apex obtuse; claw distinct, glabrous; stamens 6, erect, slightly tetradynamous; filaments glabrous, free, dilated at base; anthers linear or linear-oblong, apiculate or not at apex; nectar glands confluent, subtending bases of all stamens, rarely lateral and tooth-like; ovules (22-)40-200(-240) per ovary.