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

Flora Data (Last Modified On 8/28/2013)
Genus Cinchona L.
PlaceOfPublication Sp. P1. 172. 1753
Note TYPE: C. officinalis L.
Synonym Quinquina Boehmer in Ludwig, Def. Gen. P1. 30. 1760. New name for Cinchona L. Kinkina Adans., Fam. 2: 147. 1763. Based on Cinchona L. Cascarilla R. ex Steud., Nom., ed. 2: 1: 302. 1840; not Adanson 1763. Nomen nudum.
Description Trees or shrubs. Leaves petiolate; stipules interpetiolar, free, mostly decid- uous, glandular at the base. Inflorescences terminal, paniculate, the branches mostly opposite. Flowers 5-merous, the hypanthium pubescent, the calycine cup turbinate, the lobes 5, mostly reduced; corolla variable in color, hippocrateriform, pubescent outside, glabrous within, the lobes valvate; stamens partly exserted or included, the anthers slender, dorsifixed; ovary 2-celled, the ovules numerous, imbricate, attached peltately to a spongy placenta, the style slender, the stigmas 2, obtuse; ovarian disc pulviniform. Fruits capsular, mostly ovoid oblong, sep- ticidally dehiscent, opening from the base; seeds numerous, winged.
Habit Trees or shrubs
Distribution found in Costa Rica, Panama and in the Andes of South America.
Note There are about 40 species in the genus.
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