4. Sphaeralcea coccinea (Nuttall) Rydberg, Bull. Torrey Bot. Club. 40: 58. 1913.
Scarlet or common globemallow Scarlet or common globemallow
Malva coccinea Nuttall, Cat. Pl. Upper Louisiana, no. 51. 1813; Malvastrum coccineum (Nuttall) A. Gray; Sida coccinea (Nuttall) de Candolle
Plants perennial, rhizomatous. Stems 3–6, ascending or decumbent, light green to grayish, 1–3(–5) dm, stellate- green. Flowers: sepals 5–10 mm; petals red-orange, 5–20 mm; anthers yellow. Schizocarps flattened spheric-conic; mericarps 10–14, 3–3.5 × 2.5–3 mm, thick, coriaceous, nonreticulate dehiscent part 10–35% of height, muticous, indehiscent part usually wider than dehiscent part. Seeds 1 per mericarp, gray to black, ± glabrous.
Varieties 2 (2 in the flora): w, c North America, n Mexico.
Sphaeralcea coccinea is variable; it is one of the first sphaeralceas to bloom and is commonly found on roadsides.
SELECTED REFERENCE La Duke, J. C. and D. K. Northington. 1978. The systematics of Sphaeralcea coccinea (Nutt.) Rydberg. SouthW. Naturalist 23: 651–660.