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Noun1.gynostegium - the crown of the stamen in plants of the genus Asclepias
stamen - the male reproductive organ of a flower
plant part, plant structure - any part of a plant or fungus
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References in periodicals archive ?
Gynostegium morphology of Mesechiteae miers (Apocynaceae, Apocynoideae) as it pertains to the classification of the tribe.
It has also been said that the anthers are free from the style head in the Periplocoideae, whereas they are united to form a gynostegium in the Asclepiadaceae (Schumann, 1895; Meve & Liede, 1994; Swarupanandan et al., 1996).
(Rubiaceae) has a pseudomonomerous ovary while in Asclepiadaceae the ovary is both modified and also fused to the staminal whorl to form the complex gynostegium. The ovary may also vary from superior to inferior, or from being free (apocarpous) to united (syncarpous).