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Project Name Data (Last Modified On 8/28/2013)

Flora Data (Last Modified On 8/28/2013)
Species Cinchona pubescens Vahl
PlaceOfPublication Skr. Naturhist. Selsk. 1: 119. 1790.
Synonym Cinchona cordifolia Mutis ex Humb., Ges. Naturfe Feeund. Berlin Mag. Neuesten Entdeck. Gesammten May 1: Naturk. 117. 1807. TYPE: not seen. Cinchona pubescens a cordata DC., Prodr. 4: 353. 1830. TYPE: not seen. Cinchona tucuyensis Karst., Fl. Columb. 1: 17. pl. 9. 1858. TYPE: not seen.
Description Trees 5-8 m tall, the branchlets angular, glabrous, drying gray or reddish gray. Leaves oblong rotund to ovate rotund, to 30 cm long, to 20 cm wide, widely deltoid at the apex, obtuse to subrotund at the base, the costa slender, promi- nulous above and beneath, the lateral veins slender, 12-13, arcuate, the basal lateral veins often leaving the costa at right angles, the smaller veins pinnatiform, stiffly chartaceous, scarcely discolorous, drying red, glabrate above, appressed pilose oft the costa and the lateral veins beneath; petioles to 8 cm long; stipules not seen. Inflorescences paniculate, to 35 cm long, the branches opposite, angular ascending, the lowermost to 15 cm long. Flowers not seen. Fruits pedicellate, the pedicels short, the capsules narrowly oblong or narrowly ovate oblong, to 3.5 cm long, to 0.7 cm wide, minutely golden puberulent, delicately longitudinally ribbed, the persistent calyx 1-2 mm long, wider than the apex of the capsule.
Habit Trees
Distribution occurs in Costa Rica, Panama and in the Andes of South America.
Note The bark is the source of quinine.
Common Quina
Note Steyermark (1974) gives an elaborate description of the flowers (from Span- ish): "Calyx and hypanthium obconic or obconic oblong, 2.5-3.0 mm long, 2.0- 2.5 mm wide, densely pale yellow sericeous. Calyx 1-2(-3) mm long, ca. 3 mm wide, moderately strigulose on the back, the teeth widely and slightly deltoid, acute to acuminate, much shorter than in C. officinalis, 0.2-1.0 mm long, strig- ulose on back. Corolla 15-16 mm long, the tube 10-13 mm long, minutely to- mentose on the back, glabrous within; lobes lanceolate or oblong, obtuse or rounded at the apex, 3-5 mm long, 1.5-2.0 mm wide, tomentulose on the back, densely villose along the margins within, otherwise glabrous. Anthers 2.5-3.0 mm long, the filaments ca. 2 mm long, attached approximately at the upper third; style 6-13 mm long, glabrous; disc scarcely puberulent to hispidulous."
Specimen CHIRIQUi: Disturbed cloud forest, Monte Rey above Boquete, Croat 15769 (MO). Santa Clara region, 27 km NW of El Hato de Volcdn, coffee finca Rattibor Hartmen called "Ojo de Agua," 5000- 5300 ft, Mori & Bolten 7410 (MO).
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