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(Last Modified On 9/4/2013)
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(Last Modified On 9/4/2013)
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Species
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Coussarea jefensis Dwyer
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Note
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TYPE: Panama, Mori & Joly 7927 (MO, holotype).
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Description
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Trees to 6 m tall, the branchlets terete, smooth, glabrous, drying dark, the nodes well spaced, turgid, the leaf scars elevated, round, drying whitish with a central circular vascular bundle. Leaves oblong rotund to oblong, 3.0-8.5 cm long, 1-5 cm wide, rounded to obtuse at the apex, occasionally vaguely acumi- nate, obtuse or rounded at the base, the costa prominulous above and beneath, drying red, to 0. 15 cm wide proximally, the lateral veins ca. 9, arcuate, prominent beneath, forming an undulate submarginal vein with usually 1 irregular interme- diate vein between adjacent lateral veins, the intervenal areas patulous reticulate, the margin slightly revolute, coriaceous, concolorous, drying dark, glabrous, glandular shiny; petioles 1.0-1.3 cm long, stiff, glabrous, to 1.5 mm wide; stipules connate, forming an expanded, coriaceous, glabrous and truncate cup, to 2.5 mm long. Inflorescences (in fruit) terminal, paniculate, glabrous, drying dark, to 8.3 cm long, to 4.5 cm wide; peduncle 3.5-4.0 cm long, plano compressed, the low- ermost branches opposite, paired, ascending, to 2 cm long, the upper branches to 6, alternate; bracts and bracteoles minute, ca. 1 mm long. Fruits subsessile, oblong, rarely vaguely curved, terete in cross section, to 1 cm long, drying black, glabrous, vaguely 2-lobed, not costate; seed solitary, oblong, to 5 mm long, to 4 mm wide, obtusely 3-angled in cross section, with a thin horizontal ridge on the adaxial surface.
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Habit
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Trees
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Note
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Coussarea jefensis is immediately distinguished from all other Coussarea in Panama by its thick-coriaceous leaves which are oblong rotund to rotund. The elevated large leaf scars are diagnostic.
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Specimen
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PANAMA: Cerro Jefe, ca. 2900 ft, Mori & Joly 7927 (MO).
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Tag
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Project Name
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Tag
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