Waltheria
L.
Herbs or undershrubs. Leaves simple, alternate, serrate; stipules filiform, caducous. Flowers small, in dense axillary or terminal clusters. Sepals 5, connate at base into
a campanulate tube. Petals 5, oblong-spathulate, macrescent. Stamens 5, opposite
peetals, filaments tubular, connate at base; staminodes absent. Ovary sessile, unilocular,
with 2 ascending ovules; styles excentric, fimbriate at apex; stigmas penicillate. Capasules pilose, enclosed in calyx tube, 2-valved, 1-seeded. Seeds smooth, endospermous; embryo straight; cotyledons flat.
Predominantly tropical American, now a few pantropical weeds, ca 54 species; one in India.
Literature. sr. JOHN, H. (1976). Evaluation of Waltheria indica L. and W. americana L. (Sterculiaceae), Pacific Plant Studies - 28. Phytologia 33: 89 - 92.
Predominantly tropical American, now a few pantropical weeds, ca 54 species; one in India.
Literature. sr. JOHN, H. (1976). Evaluation of Waltheria indica L. and W. americana L. (Sterculiaceae), Pacific Plant Studies - 28. Phytologia 33: 89 - 92.
