Pacific Island Ecosystems at Risk (PIER)

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Syzygium polyanthum
(Wight) Walp., Myrtaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 7 (Go to the risk assessment)

Common name(s): [more details]

English: Indian bayleaf, Indonesian bayleaf

Habit:  tree

Description:  "A medium-sized tree up to 30 m tall with dense crown, bole up to 60 cm in diameter; bark surface fissured and scaly, grey. Leaves opposite, simple, glabrous; petiole up to 12 mm long; blade oblong-elliptical, narrowly elliptical or lanceolate, 5-16 cm x 2.5-7 cm, with 6-11 pairs of secondary veins distinct below and a distinct intramarginal vein, dotted with minute oil glands, petiole up to 12 mm long. Inflorescence a panicle, 2-8 cm long, usually arising below the leaves, sometimes axillary, but trees flower very profusely; flowers sessile, bisexual, regular, fragrant, white, in threes on ultimate branchlets of the panicle; calyx cup-shaped, about 4 mm long, with 4 broad persistent lobes; petals 4, free, 2.5-3.5 mm long, white; stamens numerous, arranged in 4 groups, about 3 mm long; disk quadrangular, orange-yellow. Fruit a 1-seeded berry, depressed globose to globose, up to 12 mm in diameter, dark red to purplish-black when ripe"  (AgroForestryTree Database).

Habitat/ecology:  "Widely distributed and locally common as understorey tree in lowland primary and secondary forests, also in thickets, bamboo forest and teak plantations, in Java up to 1000 m, in Sabah up to 1200 m, and in Thailand up to 1300 m altitude" (AgroForestryTree Database).

Propagation:  Seed

Native range:  Indochina, Myanmar, Thailand, Indonesia, Malaysia (GRIN).

Presence:

Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Negara Brunei Darussalam
Brunei
Brunei (Negara Brunei Darussalam) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) native
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 84)
Vulnerable
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  Branches break off easily during strong winds (AgroForestryTree Database).


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 24 APR 2010 and was last updated on 10 MAY 2017.