Waltheria

  • Authority

    Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.

  • Family

    Malvaceae

  • Scientific Name

    Waltheria

  • Description

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    Genus Description - Shrubs, subshrubs, or herbs, with simple and/or stellate hairs. Leaves simple, crenate-serrate or serrate; stipules small, lanceolatesubulate, deciduous. Flowers bisexual, homostylous or heterostylous, borne in axillary or terminal compound cymes or headlike glomerules; bracts small, deciduous; calyx 5-lobed, bell-shaped-turbinate, persistent; petals 5, flattened throughout (not hooded), without appendages, clawed, spatulate, adnate to the base of staminal tube, orange to yellow, marcescent; androphore or androgynophore absent; stamens 5, the filaments connate into a staminal tube, anthers 2-locular; staminodes absent; ovary sessile, 1-carpellate, with 2 ovules per cavity, the style solitary, the stigma plumose, brushlike. Fruit a 2-valved, 1-seeded follicle, surrounded by the persistent calyx and marcescent corolla; seeds small, obliquely obovoid, smooth.

  • Distribution

    A pantropical genus of about 70 species, most occurring in the N e w World but several in Africa and Asia; at least 1 species

    Africa| Asia| Saint John Virgin Islands of the United States South America|