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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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COUSSAPOA MAGNIFOLIA Trec.
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PlaceOfPublication
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Ann. Sci. Nat. 3 ser. 8:98. 1847.
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Synonym
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Coussapoa nymphaeifolia Standl. in Proc. Biol. Soc. Wash. 37:50. 1924, as to specimens cited, in part, not as to type. Coussapoa chagresiana A. D. Hawkes, in Phytologia 3:30. 1948.
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Description
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Trees to about 10 m. tall, the branches stout and hollow, minutely ferruginous- tomentellous to glabrate. Leaves broadly oval, broadly rounded at the tip, more or less deeply cordate at the base, 15-30 cm. long, 10-25 cm. broad, entire or indefinitely undulate, firmly membranaceous, minutely puberulent to glabrate beneath, the venation subpalmate and rather distant, with 6-8 pairs of upper secondaries, the tertiaries prominently dendroid and forming a coarse and irregular reticulum, the petioles 5-15 cm. long; stipules about 3-5 cm. long, minutely ferruginous-tomentellous. Staminate inflorescences much shorter than the sub- tending petioles, about 3- to 4-times dichotomous, the heads nearly 1 cm. broad at anthesis. Pistillate inflorescences obscurely compound, the heads 2- to 4-lobed, 4-5 cm. broad at anthesis, the peduncles simple, about 2-3 cm. long.
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Habit
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Tree
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Distribution
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Panama to Peru, in lowland forests.
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Specimen
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CANAL ZONE: Chagres, Hayes 354; Fort San Lorenzo, Allen 5I20; west of Limon Bay, Johnston I768; Barro Colorado Island, Kenoyer 32I, Woodworth & Vestal 6o6.
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Note
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Hayes 354, the type of C. chagresiana, was cited by Standley following the description of C. nymphaeifolia, but the type of the latter from Costa Rica, Cook & Doyle 157, has foliage with more typically pinnate, crowded venation and the pistillate heads are quite sessile. The Panamanian plants seem to coincide exactly with a Pavon isotype photographed at Berlin by Dr. J. Francis Macbride.
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