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

Flora Data (Last Modified On 2/7/2013)
Genus ANNONA L.
PlaceOfPublication Sp. P1. 536. 1753
Description Shrubs or trees with simple or stellate hairs. Flowers solitary or in few- flowered inflorescences, terminal or opposite the leaves, or extra-axillary from the internodes. Sepals 3, small, valvate. Petals 6, free or connate at the base, biseriate, or the inner rudimentary or absent, the outer valvate, the inner imbricate or valvate. Stamens numerous, the anther cells not locellate, the connective generally terminat- ing in a swollen head or hoodlike process above the pollen sacs. Carpels numerous or rarely few; ovule 1, basal, erect. Fruit fleshy, formed by the concrescence of the carpels and the torus, usually areolate on the surface, the areoles, indicating the united carpels, being often gibbous or acuminate.
Habit Shrubs or trees
Distribution A large genus of about 110 species in all the tropics of America from Florida, Mexico and the West Indies to southern Brazil and Paraguay. A few species also in tropical Africa. Five indigenous species are recorded from Panama.
Key a. Petals 6. b. Petals free. c. Branchlets and leaves glabrous; sepals 3-5 mm. long; petals about 3 mm. long, the inner valvate .............-........... .1. A. GLABRA. cc. Branchlets and leaves hirsute; sepals 1-2 cm. long; outer petals up to 5 cm. long, the inner imbricate .-............... .................. 2. A PURPUREA. bb. Petals connate at base ............... - ..... 5. A. HAYESII aa. Petals 3, the inner missing or very rudimentary. b. Leaves thickly tomentose beneath, 10-20 cm. long ......... ..................... 3. A. SPRAGUEI. bb. Leaves glabrous, 6-8 cm. long .-............................ .. 4. A. ACUMINATA.
 
 
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