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(Last Modified On 3/22/2013)
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(Last Modified On 3/22/2013)
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Species
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Mosquitoxylum jamaicense Krug & Urban
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PlaceOfPublication
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Notizbl. K. Bot. Gart. Mus. Berlin 1: 79, 1895.-Fig. 9.
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Synonym
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Mosquitoxylum jamaicense var. panamense Barkley & Reed, Amer. Midl. Nat. 24: 677, 1940.
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Description
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Tree to 30 m high; branches with scurfy, gray or grayish-brown bark, the ellipti- cal lenticels often prominent. Leaves clustered toward the branch-tips, with 5-14 pairs of leaflets, the rachis 10-30 cm long, the leaflets short-petiolulate; lamina of leaflets oblong to oblanceolate or obovate, apically rounded or emarginate or obtuse to acute or short-acuminate, basally cuneate and unequal, 2.5-8.5 cm long, 1.2-3 cm broad, marginally subrevolute, pilose above and below or glabrate. Panicles 7-27 cm long, the branches hirtellous. Flowers sessile, not clustered, each subtended by 3 persistent deltoid bracts ca 1 mm long; sepals ovate or rotund-ovate, ca 1 mm long, marginally minutely ciliate; petals ascending, ovate or elliptic, sparsely pubes- cent on the inner surface, 1.5-2 mm long; stamens ca 1 mm long; disc 5-lobate (each lobe secondarily lobed, the disc thus 10-crenulate), cupular; style persistent, the stigma more or less capitate. Drupes scarlet, lustrous, glabrous, 6-9 mm long, the meso- carp thin; seed somewhat compressed.
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Habit
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Tree
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Specimen
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CANAL ZONE: Barro Colorado I, Aviles 23b (F), 955 (F), Bangham 426 (F). COCLE: Loma del Tigre, region N of El Valle de Ant6n, Allen 3805 (MO); betw Las Margaritas & El Valle, Woodson et al. 1254 (F, MO). COLON: Loma de la Gloria, nr Fat6 (Nombre de Dios), Pittier 4143 (holotype var. panamense B; isotypes GH, US). DARIEN: Puerta St. Dorothea, Dwyer 2200 (MO), 2266 (MO, US).
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Note
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The variety panamense proposed by Barkley and Reed is not recognized. With respect to the supposedly distinguishing characteristics of the varieties (leaflet num- ber and pubescence), an isotype specimen (GH) of var. panamense has been found to conform more closely to var. jamaicense than to var. panamense. 'Examination of Central American specimens deposited in MO indicates that variation in leaflet number and pubescence is at random and completely intergrading within the species population. Two entities could not be said to exist in such a situation. Mosquitoxylum jamaicense, known as mosquito wood, is valued for building purposes.
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Common
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mosquito wood
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Tag
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Project Name
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Tag
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