An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 PORTULACACEAE. I. Portulaca oleracea L. Purslane. Pussley. Fig. 1745. Portulaca oleracea L Sp. PI. 445. 1753. Annual, prostrate, freely branching from a deep central root, branches 4-10' long. Leaves alternate and clustered at the ends of the branches, obovate or cuneate, 3'-io' long, rounded at the apex, very flesh
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 PORTULACACEAE. I. Portulaca oleracea L. Purslane. Pussley. Fig. 1745. Portulaca oleracea L Sp. PI. 445. 1753. Annual, prostrate, freely branching from a deep central root, branches 4-10' long. Leaves alternate and clustered at the ends of the branches, obovate or cuneate, 3'-io' long, rounded at the apex, very fleshy; flower- buds flat; flowers solitary and sessile, 2'-3' broad, yellow, opening in bright sunshine for a few hours in the morning; sepals broad, keeled, acutish; style 4-6-parted; capsule 3'- 5' long; seeds finely rugose, about i' long. In fields and waste places, nearly through- out our area, and in warm and tropical America. Xative in the southwest, but naturalized north- ward. Widely naturalized as a weed in the warmer parts of the Old World. Summer. 2. Portulaca retusa Engelm. Notched or A\'estfrn Purslane. Fig. 1746. Portulaca retusa Engelm. Best. Journ. Nat. Hist. 6: 154. 1850. Closely resembles the preceding species. Leaves cuneate, generally broader, retuse or emar- ginate, but some of them rounded; sepals broad, obtusish, carinate-winged; style larger, 3-4-cleft; capsule 2'-3' long; seeds distinctly tuberculate, nearly i' long; petals smaller than those of P. oleracea and the flowers opening earlier in the morning than those of that species, where the two grow together. Minnesota (?). Missouri to Arkansas and Texas, west to Nevada. Growing in large patches, sometimes several feet in diameter. Pigweed. Summer. Portulaca neglecta Mackenzie &; Bush, of Missouri, is described as having larger flowers.
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