Mastixia trichotoma Bl., Bijdr. (1826)

Latin for 'divided in three parts'.

Synonyms
Mastixia acuminatissima Bl.
Mastixia caesia Bl.
Mastixia clarkeana King
Mastixia clarkeana var. macrophylla King
Mastixia junghuniana (non Miq.) Clarke
Mastixia kimanilla Bl.
Mastixia kimanilla var. caesia Miq.
Mastixia korthalsiana Wangerin in Fedde
Mastixia korthalsiana var. macrophylla Wangerin
Mastixia laxa Bl.
Mastixia laxa var. angustifolia Bl.
Mastixia maingayi Clarke
Mastixia maingayi var. subtomentosa King
Mastixia premnoides Hall.
Mastixia propinqua Ridl.
Mastixia rostrata (non Bl.) Ridl.
Vitex premnoides Elm.

Description
Upper canopy tree up to 41 m tall and 71 cm dbh. Stipules absent. Leaves opposite, simple, penni-veined, often rather large. Flowers ca. 3 mm in diameter, yellow-orange, placed in branched inflorescences. Fruits ca. 23 mm long, blue-purple-black, fleshy drupes.

Ecology
In mixed dipterocarp, keranga and submontane forests up to 1500 m altitude. Usually on hillsides and ridges with sandy to clayey soils. Also found on limestone. In secondary forests usually present as a pre-disturbance remnant tree.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Bali, Borneo (Sarawak, Brunei, Sabah, West-, Central-, South- and East-Kalimantan), Philippines, Celebes, Moluccas, New Guinea.

Local names
Borneo: Medang, Medang aima, Medang kanigara, Seragam pipit.