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(Last Modified On 1/22/2013)
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(Last Modified On 1/22/2013)
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Species
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CECROPIA PELTATA L.
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PlaceOfPublication
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Syst. Nat. ed. 10. 1286. 1759.
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Synonym
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Cecropia humboldtiana Ki. in Linnaea 20:530. 1847. Cecropia arachnoidea Pittier, in Contr. U. S. Nat. Herb. 18:226. 1917. Cecropia asperrima Pittier, loc. cit. 227. 1917.
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Description
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Trees 6-20 m. tall with stout, seldom-branching trunks, the young branches stout, hispidulous to glabrate. Mature leaves divided about midway to the center or scarcely beyond, scabridulous above, paler and densely arachnoid-villosulose to glabrate beneath, the lobes usually 9-11, not contracted toward the base or scarcely so, obtuse to rounded at the tip, the petioles densely and minutely hirtellous, with a ferruginous-velutinous basal pulvinus; stipules about 6-9 cm. long, hirtellous. Staminate spadices in clusters of 12-30, 3-5 cm. long, about 4 mm. in diameter, with slender hirtellous stipes about 3-5 mm. long, the spathes 4-6 cm. long shortly before anthesis, broadly conic-oblongoid, densely white-arachnoid-villous, the common peduncle 7-10 cm. long after anthesis, slender, minutely hirtellous. Pistillate spadices in clusters of 4-6, at anthesis about 4-5 cm. long and 5 mm. in diameter, in fruit about 5-10 cm. long and 1 cm. in diameter, subsessile or with very inconspicuous stipes, the spathes as in the staminate inflorescences, the common peduncle about 7-8 cm. long at anthesis, somewhat accrescent in fruit.
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Habit
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Tree
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Distribution
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Southern Mexico to northern South America and in the Greater Antilles, chiefly in clearings and thickets at low elevations.
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Specimen
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CANAL ZONE: Frijoles, Piper 5837; Gamboa, Standley 28477; Matachin, Pittier 4056; Culebra, Pittier 4060; Tabernilla, Pittier 3823; Barro Colorado Island, Kenoyer 3IO, Seibert 565. PANAMA: San Jose Island, Johnston 154, I55, 78, 471, Erlanson 233, Harlow 87.
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Note
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The leaves of this species, as in all Cecropias, vary so greatly in size and are frequently so large that only a very poor impression is imparted by herbarium specimens. In C. peltata mature leaves may attain a diameter of nearly one half meter.
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