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(Last Modified On 9/10/2013)
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(Last Modified On 9/10/2013)
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Genus
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Ladenbergia Klotzsch
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PlaceOfPublication
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Hayne, Arzn. Gew. 14: pl. 15. 1846.
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Note
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LECTOTYPE: L. dichotoma Klotzsch.
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Synonym
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Cascarilla Wedd., Ann. Sci. Nat. Bot. Ser. 3. 10: 10. 1848, not Cascarella Adanson, 1763, not Cascarilla Raf. 1838. LECTOTYPE: not selected.
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Description
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Trees or shrubs. Leaves opposite, occasionally verticillate, coriaceous, peti- olate; stipules large, often deciduous, glandular within at the base. Inflorescences terminal, paniculate. Flowers with the hypanthium ovoid or turbinate, the caly- cine cup cupuliform, corolla with the tube somewhat funnelform or salverform, replete with fibers, glabrous within, the lobes 5, valvate, papillose within and on the margins; stamens 5, the anthers linear, included, dorsifixed; ovarian disc pulvinate, the ovary 2-celled, the style slender, the stigmatic lobes 2, included, slender, the placentas adnate to the septum, the ovules numerous. Fruits cap- sular, narrowly clavate or cylindrical, septicidally bivalvate from the apex to the base; seeds numerous, imbricate, peltate, the body oblong, surrounded by a mem- branous, dentate or laciniate wing.
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Habit
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Trees or shrubs.
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Distribution
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known from Costa Rica, Panama, and tropical South America.
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Note
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a genus of about 30 species. Mori & Dressler 7850 (MO) is probably a new species but has only immature leaves. It is the only material seen from the Province of Chiriqui although La- denbergia has been collected several times in Costa Rica near the Panamanian border. It was collected in the Province of Chiriqui on Cerro Colorado, 50 km N of San Felix on the continental divide in cloud forest, alt. 1,200-1,500 m.
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Elevation
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1,200-1,500 m.
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Key
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a. Leaf blades bullate ...... 1. L. bullata aa. Leaf blades not bullate. b. Leaves 8-15 cm long, 3.0-4.3 cm wide; lateral veins ca. 10 ...... 2. L. lailrifo9lia bb. Leaves (10-)20-45 cm long, more than 6 cm wide; lateral veins 10-12 ...... 3. L. macrocarpa
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