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(Last Modified On 1/28/2013)
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(Last Modified On 1/28/2013)
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Genus
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PORTULACA L.
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PlaceOfPublication
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Sp. P1. 445. 1753.
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Synonym
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Meridiana L. f. Suppi. 248. 1781. Lemia Vand. Fl. Lus. & Bras. Sp. 35, t. 2. f. 15. 1788. Merida Neck. Elem. 2:3 8 2. 1790. Portulacca Haw. Synop. 121. 1812. Lamia Vandelli ex Endl. Gen. 949. 1840.
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Description
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Annual or perennial herbs, succulent. Leaves alternate or approximate, terete to plane, often whorled about the flowers; stipules scarious, fimbriate or tufted, sometimes very small, rarely absent. Inflorescence near the stem apex, crowded, the flowers sometimes solitary, yellow to red. Sepals 2, opposite, connate below, the anterior larger than the posterior, usually persistent. Petals 4-6, connate at the base or free, somewhat auto-deliquescent. Stamens 4 to many, inserted at the base of the petals, the filaments often hairy below. Ovary half to wholly inferior, the ovules numerous, the styles 3- to 9-parted, rarely simple. Capsule circumscissile, chartaceous; seeds reniform to cochleate, numerous, the testa smooth or minutely tuberculate.
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Habit
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herbs
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Distribution
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A cosmopolitan genus in tropical and subtropical areas of the world, about 125 species.
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