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; 2nd ed. . 6. PORTULACA [Tourn.] L. Sp. PI. 445. 1753. Diffuse or ascending, glabrous or pubescent fleshy herbs, with terminal flowers. Sepals2, united at the base and partly adnata to the ovary. Petals 4-6 (mainly 5), inserted on thecalyx, fugacious. Stamens 7-00, also on the calyx. Ovary many-ovuled; style deeply3-g-cleft or parted Capsule membranous, dehiscent by a lid, many-
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; 2nd ed. . 6. PORTULACA [Tourn.] L. Sp. PI. 445. 1753. Diffuse or ascending, glabrous or pubescent fleshy herbs, with terminal flowers. Sepals2, united at the base and partly adnata to the ovary. Petals 4-6 (mainly 5), inserted on thecalyx, fugacious. Stamens 7-00, also on the calyx. Ovary many-ovuled; style deeply3-g-cleft or parted Capsule membranous, dehiscent by a lid, many-seeded. [Latin, in allu-sion to the purging qualities of some species.] A genus of about 20 species, all but 2 or 3 natives of .America. In addition to the following,some 7 others occur in the southern United States. Type species: Portiilaca oleracea Glabrous throughout: flowers small, yellow : leaves flat. Leaves mainly rounded at the apex ; seeds minutely rugose. Leaves mainly rctusc : seeds prominently especially in the axils; leaves terete Flowers red. 4-6 Flowers variously colored. i-2 broad. 1. P. oleracea, 2. P. rctiisa. 3. 4. P. PORTULACACEAE. Vol. II. I. Portulaca oleracea L. Fig. 1745. Portulaca oleracea L Sp. PI. 445. 1753. Annual, prostrate, freely branching from adeep central root, branches 4-io alternate and clustered at the ends ofthe branches, obovate or cuneate, 3-iolong, rounded at the apex, very fleshy; flower-buds flat; flowers solitary and sessile, 2-3broad, yellow, opening in bright sunshine fora 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 in the southwest, but naturalized north-ward. Widely naturalized as a weed in thewarmer parts of the Old World. Summer. 2. Portulaca retusa Engelm.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
