Sida rhombifolia L. (redirected from: Sida rhombifolia var. rhombifolia)
Family: Malvaceae
[Sida rhombifolia var. rhombifolia L.,  more...]
Sida rhombifolia image
Marie Fourdrigniez  

Plant: perennial or sometimes annual subshrub; Erect, ca. 1 m tall, minutely puberulent appearing farinaceous

Leaves: more or less rhomboid, dentate distally (entire basally), 2.5-9 cm long, discolorous

Flowers: solitary in the leaf axils on slender pedicels; calyx 5-6 mm long; petals yellow, 7-9 mm long; styles 10-14

Fruit: FRUITS oblate-conical, glabrous, 4-5 mm diameter; mericarps 10-14, laterally reticulate, apically spined or muticous

Misc: 1050 m (3500 ft); flowering throughout the year

REFERENCES: Fryxell, Paul A. 1994. Malvaceae. J. Ariz. - Nev. Acad. Sci. Volume 27(2), 222-236.

Branching annual (in our range) to 1 m; lvs oblong to ovate or rhombic, 2-6 cm, crenate chiefly beyond the middle; cal thinly stellate; pet pale yellow, 4-8 mm; carpels commonly 10, each tipped by a single erect, subulate beak grooved longitudinally and split into two at dehiscence; 2n=14, 28. A weed in waste places and along roads; pantropical, n. occasionally to se. Va., and as a ballast-waif farther n. All summer.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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Sida rhombifolia image
Marie Fourdrigniez  
Sida rhombifolia image
John Tann