Uladendron Notes

Uladendron codesuri Marc.-Berti

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Uladendron is a monotypic genus. The sole species, Uladendron codesuri, is found in Venezuela. It was not described until 1971.

Uladendron was previously placed in Sterculiaceae. Current opinion is that it is a basal lineage in Malvoideae; it might be sister to the group consisting of the Australasian-Malesian Camptostemon, Lagunaria and Howittia, or alternatively to a larger part of Malvoideae (at the upper bound all of Malvoideae excepting Matisieae and Pentaplaris and any unresolved elements of Malvatheca that fall into Malvoideae.

Uladendron codesuri is a tall tree. The leaves are slightly lobed, with serrate margins. The flowers are borne solitarily or in pairs in the axils of the leaves. The calyx is tubular and caducous. The numerous stamens are monothecal. The ovary is 5-locular, each locule containing 2 ovules; The style is entire with a capitate stigma. The fruit is a capsule with circa 10 seeds. The seeds are winged. The cotyledons are contorted within the seed.


  1. Kubitzki & Bayer, in Kubitzki & Bayer, The Families and Genera of Vascular Plants, Vol. 5 (2003)


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© 2005 Stewart Robert Hinsley