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FNA | Family List | FNA Vol. 6 | Malvaceae | Sida

14. Sida rubromarginata Nash, Bull. Torrey Bot. Club. 23: 102. 1896. (as rubro-marginata).

Redleaf sida Redleaf sida

Subshrubs, 1 m. Stems erect, subglabrous. Leaves: stipules free from petiole, linear, 6–11 mm, 2 times length of corresponding petiole; petiole 3–7 mm, 1/10 length of blade, subglabrous; blade lanceolate-elliptic to subrhombic, 3–9 cm, 2.5–5 times longer than wide, base truncate, margins crenate or serrate to base, apex usually acute, surfaces glabrous. Inflorescences axillary solitary or paired flowers. Pedicels articulated, 0.5–2(–3) cm, usually 2–3 times calyx length, 1/4–1/2 length of subtending leaf. Flowers: calyx ribbed, 7–10 mm, glabrous, lobes ovate; petals yellow, 15 mm; staminal column hairy; style 10–12-branched. Schizocarps subconic, 6–7 mm diam., minutely hairy apically; mericarps 10–12, 5 mm, laterally reticulate, apex spined, spines 1.5 mm.

Flowering summer. Disturbed sites, waste places; 0–30 m; Fla.

Sida rubromarginata has been reported from Hillsborough, Leon, and Sarasota counties.


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