Sida rhombifolia L.
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Authority
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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Family
Malvaceae
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Scientific Name
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Description
Species Description - 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.
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Common Names
arrowleaf sida