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Project Name Data (Last Modified On 2/7/2013)

Flora Data (Last Modified On 2/7/2013)
Genus GUATTERIA Ruiz & Pav.
PlaceOfPublication Fl. Peruv. & Chil. Prodr. 85, tab. 17. 1794
Reference R. E. Fries, in Acta Hort. Berg. 12: 291. 1939.
Description Shrubs or trees, rarely climbing; the pubescence of simple hairs. Flowers axillary, solitary or in few-flowered inflorescences; pedicels articulate, with a few small bracts (rarely foliaceous) below the articulation, no bracts above this. Sepals valvate. Petals imbricate, usually hairy, especially so outside at the base. Stamens numerous; connective expanded above the anther into a truncate disc; anther cells not locellate. Carpels numerous; ovule 1, basal, erect. Monocarps ovoid or ellipsoid, or shortly cylindrical-ellipsoid, 1-seeded, stipitate or rarely almost sessile. Seeds without an aril.
Habit Shrubs or trees
Distribution The genus is the largest in the family Annonaceae, the species numbering about 240. It is distributed from southern Mexico and the West Indies to Bolivia and southern Brazil, centering in the Amazonian region and Guiana.
Key a. Leaves not verrucose. b. Pubescence appressed. c. Leaves 3-5 cm. broad - 1. G. LUCENS cc. Leaves broader than 6 cm. d. Leaves rounded and a little emarginate at the base - 2. G. AMPLIFOLIA dd. Leaves acute at the base. e. Petals oblong, all of about the same length --- 3. G. INUNCTA ee. Petals broadly ovate to orbicular, the inner shorter. f. Petioles 1.0-1.5 cm. long, the upper half narrowly winged; lateral nerves elevated on the upper side of the leaves - 4. G. SLATERI ff. Petioles 3-7 cm. long; lateral nerves impressed on the upper side -... 5. G. PANAMENSIS bb. Pubescence spreading. c. Leaves oblanceolate to obovate; flower pedicels 8-10 mm. long. -6. G. ALLENII cc. Leaves linear-oblong; flower pedicels about 20 mm. long -7. G. CHIRIQUIENSIS aa. Leaves very verrucose on both sides. b. Branchlets, pedicels and under side of the leaves with spreading pubes- cence; leaf-petioles 1-2 mm. long - 8. G. AERUGINOSA bb. Branchlets, pedicels and under side of the leaves with appressed pubes- cence; leaf-petioles 6-8 mm. long - 9. G. DUMETORUM
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