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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 pittieri P. Wilson
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PlaceOfPublication
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Contr. U.S. Natl. Herb. 20: 479. 1922.
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Note
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TYPE: Panama, Pittier 5713 (US, holotype; NY, isotype).
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Description
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Trees, ca. 20 m high; trunks armed, the branchlets armed. Leaves even- pinnate, ca. 30 cm long; petiole and rachis scabridulous; leaflets 8, alternate, oblong or oval to ovate or obovate, rounded and with a short broad acumination apically, inequilateral and rounded basally, the margins entire and revolute, the blade pellucid punctate throughout, coriaceous, scabridulous on both sides, 7.5-13.0 cm long, 57-80 mm wide, the petiolules 6-8 mm long. Staminate panicles axillary, widely and sparsely branched, ca. 25 cm long, the branches tomentulose with reddish trichomes. Staminate flowers white, apparently glabrous, the pedicels less than 1 mm long; calyx 5-lobed, ca. 1 mm high, the lobes obtuse; petals 5, ovate, imbricate, ca. 2 mm long, 1 mm high; stamens 5, ca. 2 mm long; disc 5-lobed, 10-sulcate; carpels 3, rudimentary. Carpellate flowers and fruits unknown.
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Habit
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Trees
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Note
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This species is known only from the type collection, flowering in February. Zanthoxylum pittieri occurs in monsoon forest. It is easily recognized by the reddish tomentulose inflorescences.
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Specimen
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DARIEN: Boca de Pavarando on the Rio Sambu, 20 m, Pittier 5713 (NY).
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Tag
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Project Name
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Tag
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