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Pakistan | Family List | Annonaceae

4. Annona L., Sp. Pl. 536. 1753. Gen. Pl. ed. 5.241. 1754; DC., Prodr. 1:83. 1824; Hook. f. & Thorns. in Hook. f., Fl. Brit. Ind. 1:78. 1872; Cooke, Fl. Pres. Bomb. 1:15. 1901; Hutch., Gen. Fl. Pl. 1:107. 1964; Verdcourt in Milne-Redhead & Polhill, Fl. Trop. E. Afr., Annonac. 112. 1971.

SURAYYA KHATOON

Trees, shrubs or subshrubs, with simple or stellate hairs or glabrous. Flowers usually hermaphrodite, solitary, fasciculate or in few flowered cymes, terminal, leaf opposed or extra-axillary. Bracteoles 0-2, persistent. Sepals 3, valvate, smaller than petals. Petals 6 in 1-2 whorls, both valvate or the inner imbricate, subequal or the inner ones reduced or absent, free or united at base, thick and coriaceous, mostly suberect or connivent. Stamens numerous, linear or linear-clavate; filament short; anther-cells equal or unequal, extrorse; connective-tip capitate, dilated or ± apiculate. Carpels numerous, ± united, cylindrical, ovule 1, erect, basal. Fruit: etaerio of fused berries, ovoid-globose or cylindrical. Seeds numerous, aril terminal, compressed, annular or fibrillated.

A genus with c. 120 species, distributed mostly in tropical America, represented in Pakistan by 3 cultivated species.

Several species of this genus are cultivated in the warm countries of the Old and New World for their edible fruits.


1 Outer petals smooth within, inner petals well developed, fruit echinate   1 Annona muricata
+ Outer petals keeled within (triquetrous), inner petals minute or absent, fruit with out spine   (2)
       
2 (1) Fruit 10-15 x 7.5-12.5 cm, reddish brown, areolate, 1-seeded parts not easily separable   3 Annona reticulata
+ Fruit 5-10 x 5-7.5 cm, yellowish green, tuberculate, 1-seeded parts easily separable   2 Annona squamosa

Lower Taxa


 

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