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(Last Modified On 1/29/2013)
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(Last Modified On 1/29/2013)
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Genus
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PACHIRA Aubl.
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PlaceOfPublication
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Hist. P1. Gui. Fr. 725. 1775.
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Synonym
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Sophia L., P1. Surinam. n.86. 1775. Carolinea L. f., Suppl. P1. Syst. Veg. 51. 1781. Bombax L. sect. Pachira (Aubl.) K. Schum. in Engl. & Prantl, Nat. Pflanzenfam. 3(6): 62. 1895. Bombax L. sect. Pachiropsis K. Schum. in Engl. & Prantl, loc. cit. 62. 1895.
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Description
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Trees, evergreen, unarmed, the trunk sometimes buttressed. Leaves petiolate, the stipules lanceolate, the blade compound-digitate, the leaflets 5-9, articulate, ses- sile or petiolulate, entire or sometimes undulate, the margins sometimes more or less recurved. Flowers grouped toward the end of the branchlets, solitary or geminate, sometimes 3-nate, hermaphrodite, actinomorphous, up to 35 cm. long, pedicellate, 3-bracteolate, the bractlets fugacious; receptacle generally glandular; calyx broadly cupuliform, campanulate to subtubiform, truncate or undulate, coriaceous, per- sistent; petals 5, ribboned, adnate to the base of the staminal column, fleshy, with tufted hairs on both sides, fugacious; stamens 200-700, apparently 2-whorled, more or less long-monadelphous, the anthers 1-thecate, oblong-linear, straight or curved, submedifixus, extrorse, longitudinally dehiscent; pollen colp(or)ate, the sexine of the walls reticulate and provided with baculate or spinulate, suprategillate elements, that of the mesocolpia sometimes echinulate; ovary superior, sessile, 5-celled, the cells many-ovulate, the ovules inserted on a central columella; style filiform; stigma 5-lobulate. Capsules ligneous, large, loculicidally 5-valvate, tufted-pubescent out- side, pubescent and with simple hairs inside, the central columella w inged and per- sistent; seeds few, very large and angular; cotyledons epigeal, surrounded by the testa and appressed against the ground level, alternate, sessile, quite unequal, very fleshy and green, the epicotyl provided with triangular cataphylls, the primordial leaves compound-digitate.
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Habit
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Trees
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Distribution
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A neotropical genus of two species of which only one is reported from Panama.
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Project Name
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