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(Last Modified On 5/9/2013)
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(Last Modified On 5/9/2013)
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Species
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Picramnia dwyeri D. M. Porter
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PlaceOfPublication
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Jour. Arnold Arbor. 54: 319. 1973.
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Description
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Shrubs or small trees, ca. 2 m high; branchlets densely yellowish-tomentose, finally becoming glabrate. Leaves alternate, pinnate, to 24 cm long; petiole and the rachis densely yellowish-tomentose; leaflets ca. 8-13 (-17), alternnate, the lowermost subopposite, ovate to obovate or oblanceolate, the terminals elliptic, abruptly short-acuminate apically, markedly inequilateral basally, the margins entire, revolute, chartaceous, the midrib indented above and prominent beneath, appressed yellowish-pubescent on the margin and on the midrib beneath, minutely puberulent in the sulcus above, the blade sparingly pubescent beneath, to 5(-8.8) cm long and 2(-4.5) cm wide, the terminal leaflets largest, the lowermost smallest and reflexed, the petiolules densely yellowish-tomentose, 1-2 mm long. Staminate racemes terminal, aggregated, simple, yellowish appressed-pubescent, to 20 cm long. Staminate flowers 4-merous, 1-2 together, green, the pedicels spreading, sparingly pubescent, 1-1.5 mm long; sepals 4, connate basally, narrowly ovate, apiculate, yellowish appressed-pubescent, ca. 1.5 mm long; petals 4, narrowly lanceolate, glabrous, a little longer than the sepals, 2 mm long; stamens 4, exserted, the filaments subulate, glabrous, adnate basally to the petals, ca. 3 mm long, the anthers basifixed, 2-lobed, the lobes separated; ovary rudimentary, tomentose, the style and stigma absent. Carpellate racemes terminal, solitary, simple, densely appressed yellowish-pubescent, to 32 cm long in fruit. Carpellate flowers 4- merous, in clusters of 3 that alternate on the inflorescence, usually only 1 of the 3 forming a fruit, the pedicels thickened apically, appressed yellowish-pubescent, articulated basally, 3-8 mm long in fruit; sepals 4, triangular, acute, appressed yellowish-pubescent, persistent and spreading in fruit; petals 4, narrowly tri- angular, shorter than the sepals; style bilobed, the lobes recurved and persisting in fruit. Berries green maturing red, obovoid or rarely ellipsoid, appressed-pubes- cent, 2-loculed, 7-15 mm long; seeds 1-2.
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Habit
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Shrubs or small trees
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Distribution
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Endemic to Panama
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Native
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Panama
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Note
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Known to flower in September, and to fruit in February and July through September.
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Specimen
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DARIEN: Bolamina, small hill, Duke & Bristan 388 (MO). Near Refugio, 15-21 mi. N of Santa Fe, ca. 30 m, Duke 10303 (MO). Rio San Jose, Duke & Bristan 416 (MO). Rio Tuira, between Rio Paya and Rio Pucro, Duke & Kirkbride 14054 (F, MO). Teotuma, ca. 100 m, Duke 10061 (MO). PANAMA: Between Cafiasas and Sabalo, ca. 100 m, Duke 14456 (MO, holotype). SAN BLAS: Rio Chucunaque, 2-10 mi. above Cuna-Darien Boundary, Duke 8567 (MO). VERAGUAS: Isla de Coiba, Dwyer 2333 (MO, SIU), 2337 (MO).
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Note
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Picramnia dwyeri is an understory shrub or small tree in monsoon forests. It is known as "korbugia" and "pakaburwi" by the Bayano Cuna Indians (fide Duke 14456). The berry "has bad taste" (fide Duke & Bristan 388).
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Common
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korbugia pakaburwi
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