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Portulaca umbraticola  

No occurrences found

Family: Portulacaceae
wingpod purslane
Portulaca umbraticola image
Ries Lindley
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James F. Matthews in Flora of North America (vol. 4)
Plants annual; roots fibrous. Stems prostrate to suberect; trichomes sparse at nodes and in inflorescence, stems otherwise glabrous; branches 5-20 cm. Leaf blades obovate, spatulate, or sometimes lan-ceolate, flattened, 10-35 × 2-15 mm, apex rounded to truncate; involucrelike leaves 4-5. Flowers 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. Capsules obovoid or turbinate, 3-5 mm diam., with encircling, expanded, membranaceous wing 0.5-1.5 mm wide proximal to suture. Seeds gray, round or elongate, flattened, 0.5-1 mm; surface cells stellate with long tubercles. 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.

CANOTIA 2(1)
PLANT: Annual herbs with a fibrous root. STEMS: prostrate to erect or ascending, 4-20 cm long, glabrous. LEAVES: few, mostly alternate, sometimes subopposite, flat, lanceolate or spatulate, 10-35 mm long, 2-15 mm wide, glabrous; nodes sometimes with a few inconspicuous hairs. INFLORESCENCE: glabrous, with 4-5 conspicuous involucral leaves, 10-30 mm long, 1-7 mm wide. FLOWERS: clustered at the ends of branches; petals pink, purple, yellow or orange tipped with red, 5-10 mm long; stigmatic branches 5-18. CAPSULE: 3-5 mm in diameter with an expanded circular membranaceous wing just below the rim; stipe 1-1.5 mm long. SEEDS: gray, tuberculate NOTES: AZ to NC, s to TX; S. Amer. -- Subsp. lanceolata J.F. Matthews & Ketron. (lance-shaped [leaves]). —Flower diameter 8-15 mm; petals bi-colored. [P. lanceolata J.F. Matthews & Ketron]. —Dry sandy or rockysoils, desert grasslands, oak woodlands, wash bottoms, disturbed sites: Cochise, Gila, Graham, Pima, Santa Cruz cos.; 900-1850 m (3000-6000 ft). Jun-Oct. NM e to AR, LA. REFERENCES: Allison Bair, Marissa Howe, Daniela Roth, Robin Taylor, Tina Ayers, and Robert W. Kiger., 2006, Vascular Plants of Arizona: Portulacaceae. CANOTIA 2(1): 1-22.
Bair et al. 2006, FNA 2003
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Annual with fibrous roots, stems erect or ascending 10-23 cm, stems glabrous, with sparse hairs at nodes. Leaves: Mostly alternate, sometimes subopposite, few, flat, lanceolate or spatulate, 10-35 mm long, 2-15 mm wide, glabrous. Flowers: Glabrous with 4-5 conspicuous involucral leaves, 10-30 mm long, 1-7 mm wide; flowers clustered at ends of branches; petals pink, purple, yellow or orange tipped with red, 5-10 mm long, stigmatic branches 5-18. Fruits: Capsule 3-5 mm in diameter with expanded circular membranous wing just below rim. Ecology: Found in sandy or rocky soils, along washes and disturbed sites from 3,000-6,000 ft (914-1829 m); flowers June-October. Distribution: AZ, s NM, s OK, TX, east to NC; south to S MEX and in S. Amer. Notes: Portulacas in the region are small herbs with succulent leaves and stems, can have colorful flowers and possess capsules with few-many subtending leaves. P. umbraticola is distinct with its lanceolate-spatulate leaves and especially the membranous ring around the capsule. Ours are generally subsp. lanceolata, which is distinguished by the 8-15 mm flower diameter with the bi-colored flowers. Ethnobotany: Many species in the genus are edible and used as potherbs. Etymology: Portulaca means -milk-carrier,- but it comes from the Latin for small gate or door, from the capsule lid, while umbraticola comes form Latin umbraculum, for shady place. Synonyms: None Editor: SBuckley 2010, FSCoburn 2015
Portulaca umbraticola
Open Interactive Map
Portulaca umbraticola image
Ries Lindley
Portulaca umbraticola image
Patrick Alexander
Portulaca umbraticola image
Patrick Alexander
Portulaca umbraticola image
Patrick Alexander
Portulaca umbraticola image
Ries Lindley
Portulaca umbraticola image
Patrick Alexander
Portulaca umbraticola image
Patrick Alexander
Portulaca umbraticola image
Frankie Coburn
Portulaca umbraticola image
Liz Makings
Portulaca umbraticola image
Liz Makings
Portulaca umbraticola image
Ries Lindley
Portulaca umbraticola image
Portulaca umbraticola image
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