Xanthosoma Schott sec CATE Araceae, 2009
urn:lsid:cate-araceae.org:taxon:5cc9bd66-6bfb-1014-a918-dc439151c9e5

H.W.Schott & S.L.Endlicher 1832. Melet. Bot.. 19

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Distinguishing Features

Small to gigantic terrestrial, evergreen or seasonally dormant herbs with milky latex, stem tuberous and hypogeal or aerial and erect; leaf blade usually cordate or sagittate to pedatisect, submarginal collective vein present, fine venation reticulate; spathe strongly constricted, tube persistent, blade deciduous after flowering; spadix male and female zones separated by conspicuous zone of sterile flowers, fertile to apex; flowers unisexual, perigone absent; male flower a truncate synandrium. Differs from Chlorospatha in having a subglobose, inflated spathe tube, female zone of spadix free from spathe, styles normally discoid (laterally swollen) and coherent (except Xanthosoma plowmanii ), synandrodes (sterile flowers) between male and female flowers well-developed, ± prismatic.

Distribution

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Typification

Nomenclature