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Published In: Species Plantarum 1: 470. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 4/2/2012)
Acceptance : Accepted
Project Data     (Last Modified On 4/2/2012)
Contributor Text: ABDUL GHAFOOR
Contributor Institution: Don McNair Herbarium, School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW-2308, Australia

E-mail:abdul.ghafour@newcastle.edu.au; artemisiella89@gmail.com

Flower/Fruit: Fl. Per.: November – March
Type: Herb Clifford: 184, Psidium 1 (BM) (fide McVaugh in Howard, Fl. Lesser Antille 5: 523. 1989).
Distribution: Native of tropical America and W. Indies. Widely introduced into the tropics and subtropics for several hundred years; cultivated in Palestine, Egypt, Arabia, Iran, Pakistan, India, SE Asia and Northern Australia on commercial scale.
Comment/Acknowledgements: Vern.: Amrud, Jam, Guava

The fruits of Guava are commonly used in various ways e.g., eaten raw and for relieving constipation, used in chats (fruit salad), making jam and jelly as they are rich in vitamin C. The pulp is white, red or yellow in different varieties. The leaves have been used to alleviate gastritis and diarrhea while leaf decoction is used as skin lotion.

Map Location:

G-4 Karachi University Campus, large shrub with fruits, 11.3.1993 Sharif s.n. (KUH); University of Karachi Nursery, cult., fls white, 15 ft. high, 27.11.1965, Saida Qaiser s. n. (KUH); Sewage Farm, Karachi 18.2.57, A. A. Qureshi s.n. (KUH); Malir Cantt, 7.4.57 Anwar Iqbal s. n. (KUH).


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Trees, 4 – 6 cm tall, with brownish, often quadrangular, densely fine hairy tender twigs. Leaves invisibly pellucid dotted, ovate-oblong or elliptic, 4 – 8 (-10) x 3 – 5 (- 6) cm, lower surface, densely tomentose to glabrescent sparsely short hairy above, subobtuse to ± acuminate at the apices, entire; petiole 3-8 (-10) mm long. Flowers solitary axillary, white, on 10 – 15 (-20) mm long pedicels. Calyx tube urceolate-pyriform, c. 6 – 8 mm long, hairy, with deeply divided limb, lobes deltoid, as long as calyx tube or hypanthium, ± acute. Corolla of 4 – 5, free petals, elliptic-ovate, 1.0 – 1.4 x c. 1.2 cm, dorsally hairy, glandular-punctate, white petals. Stamens numerous, filaments filiform, shorter than petals; anthers ovoid, c. 0.6 – 0.8 mm long. Style longer than stamens, stigma peltate, c. 0. 5 mm wide. Fruit an ovoid or pyriform to globose berry, variable in size and crowned by persistent calyx lobes, yellow or ± pinkish.

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