Portulaca umbraticola
wing-pod purslane
prostrate to suberect;
trichomes sparse at nodes and in inflorescence, stems otherwise glabrous;
branches 5–20 cm.
blades obovate, spatulate, or sometimes lanceolata, flattened, 10–35 × 2–15 mm, apex rounded to truncate; involucrelike leaves 4–5.
8–15 mm diam.;
petals yellow or yellow tipped with red or copper, spatulate or obovate, 5–10 × 3–6 mm, apex acute or cuspidate;
stamens 7–30;
stigmas (3–)5–18.
obovoid or turbinate, 3–5 mm diam., with encircling, expanded, membranaceous wing 0.5–1.5 mm wide proximal to suture.
gray, round or elongate, flattened, 0.5–1 mm;
surface cells stellate with long tubercles.
Portulaca umbraticola
Subspecies 3 (2 in the flora).
Portulaca umbraticola is a common weedy species of the southwestern United States, while in the southeastern United States it is usually restricted to sandy soils of granitic and sandstone outcrops. In 1982–1983, a new cultivar was introduced to the United States in hanging baskets, under the name Portulaca umbraticola ‘Wildfire Mixed,’ which appears to be selected from material from South America. There is no seed surface variability in any of the three subspecies.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Petals entirely yellow | subsp. coronata |
1. Petals yellow tipped with red (copper) | subsp. lanceolata |
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