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(Last Modified On 1/28/2013)
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(Last Modified On 1/28/2013)
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Species
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PORTULACA OLERACEA L.
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PlaceOfPublication
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Sp. P1. 445. 1753.
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Synonym
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Portulaca parvifolia Haw. Syn. PI. Succ. 12 2. 18 1 2. Portulaca marginata HBK. Nov. Gen. & Sp. 6:58. 1823. Portulaca oleracea , parviflora (Haw.) Griseb. Fl. Brit. W. Ind. 57. 1864. Portulaca oleracea a macrantha Eggers, Fl. St. Croix 27. 1879. Portulaca oleracea p micrantha Eggers, loc. cit. 1879.
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Description
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Plants herbaceous, radially spreading and prostrate or somewhat ascending, glabrous throughout, the roots fibrous. Leaves alternate, elliptic to obovoid, 1-3 cm. long, 0.5-1.0 cm. broad, generally obtuse at the apex, cuneate at the base, plane; petiole 1-8 mm. long, the stipules fimbriate, inconspicuous. Inflorescence with the flowers crowded, the flowers sessile or essentially so, yellow. Perianth tube crateriform, 1 mm. long, 1.5 mm. in diameter; sepals ovate, 3.0-4.5 mm. long, 3-4 mm. -broad, strongly keeled, connate at the base, generally persistent and enclosing the operculum of the fruit; petals 4, 3.0-4.5 mm. long, 1.5-3.0 mm. broad; stamens 6-15, the filaments 1.5-1.75 mm. long, the anthers globose, to 0.5 mm. long and broad; ovary half-inferior, short-conical, the style lobes 4-6. Capsule ovoid to fusiform, 6-9 mm. long, about 2.5 mm. in diameter, circumscissile slightly below the middle; seeds almost cochleate, about 0.5-0.75 mm. in diameter, the testa minutely tuberculate, almost black.
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Habit
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herb
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Distribution
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Known as verdolaga in Panama.
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Note
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According to Standley (Field Mus. Nat. Hist. Bot. 18:429. 1937) the plant is used as a pot herb throughout Central America.
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Specimen
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BOCAS DEL TORO: vicinity of Nievecita, oodsal., Allen b S&eibert i862. CHIRIQUI: Boquete, Davidson 705. DARIEN: vicinity of Boca de Cupe, Allen 875; Rio Chucunaque, Leopold 758. PANAMA: San Jose Island, Johnstown 901.
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