Psidium guajava L., Sp. Pl. (1753)
Latin for the local name of this species.

Description
Small tree up to 11 m tall and 14 cm dbh. Stipules absent. Leaves opposite, simple, penni-veined, glabrous. Flowers ca. 33 mm diameter, white, placed in leaf axils. Fruits ca. 23 mm diameter, greenish, berries.

Ecology
In open vegetation types, regrowth, coastal areas, mangroves, keranga forests up to 300 m altitude, often planted near houses or villages. On alluvial sites, riverbanks, hillsides and ridges with clay to limestone soils.

Uses
The fruit ripens hard and is widely used in jams and jellies, and as a drink. The leaves die silk black; in mixture with other tannin-rich leaves in coconut milk, the are include in a decoction against diarrhea and worms, and for skin complaints. The wood is tough and has been used for instruments; it makes good charcoal.

Distribution
Originally from Central America, but currently widely distributed throughout tropical Asia and Australia. In Borneo collected in Sarawak, Sabah, South- and East-Kalimantan.

Local names in Borneo
Balabas, Jambu batu, Jambu biabas, Jambu makan, Jambu merabas, Libas, Ribas.