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(Last Modified On 8/12/2013)
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(Last Modified On 8/12/2013)
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Species
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Zanthoxylum melanostictum Schlecht. & Cham.
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PlaceOfPublication
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Linnaea 5: 231. 1830.
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Description
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Trees, 7-8 m high; trunks armed with large, scattered, conical prickles, the branchlets dark, glabrous, unarmed. Leaves odd-pinnate, 15-19 cm long; petiole 4-5 cm long, the petiole and the rachis canaliculate above, minutely puberulent in the sulcus; leaflets 5-7, opposite, elliptic to narrowly obovate, obtusely short acuminate, rounded and retuse or occasionally emarginate apically, acute and decurrent basally, the margins crenulate and revolute, the blade pellucid punctate marginally and with many small impressed punctations and peltate glands on both the surfaces, thick and coriaceous, minutely puberulent above along the impressed midrib, the midrib conspicuous beneath, 4-8 cm long, 15-29 mm wide, the petiolules canaliculate, 5-11 mm long, those of the terminal leaflets longest. Staminate panicles axillary and subterminal, solitary, minutely puberulent, to 6.5 cm long. Staminate flowers white, the pedicels minutely puberulent, ca. 1 mm long; sepals 5, triangular, spreading, the margins hyaline, less than 1 mm long; petals 5, oblong, the margins hyaline, 2 mm long; stamens 5; carpels 3, rudi- mentary, the styles connate, less than 1 mm long. Carpellate panicles axillary and subterminal, minutely puberulent, 6.0-7.5 cm long in fruit. Carpellate flowers not seen. Follicles 1-5, with minute orange glands, ca. 5 mm in diameter, the stipe ca. 2 mm long, minutely puberulent.
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Habit
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Trees
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Distribution
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ranges from southern Mexico to Panama.
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Note
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In Panama it is known to flower in May.
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Specimen
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VERAGUAS: Cerro Tute, ca. 10 km NW of Santa Fe, 1000 m, Mori 6282 (MO). 2 km from Escuela Agricola Alto de Piedra, below summit of Cerro Tute, Mori & Kallunki 5259 (MO).
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