Syzygium racemosum (Blume) A.DC., Prodr. 3 (1828)
Latin for 'densely clustered like a bunch of grapes'.
Calyptranthus racemosa Blume
Eugenia brunneoramea Merr.
Eugenia cerasiformis (Blume) DC.
Eugenia euneura Craib
Eugenia evansii Ridl.
Eugenia expansa (Miq.) Duthie
Eugenia jamboloides Koord. & Valet.
Eugenia robinsoniana Ridl.
Jambosa cerasiformis (Blume) Hassk.
Myrtus cerasiformis Blume
Syzygium brunneorameum (Merr.) Masamune
Syzygium calcimontanum P.S.Ashton
Syzygium cerasiforme (Blume) Merr. & L.M.Perry
Syzygium costatum Miq.
Syzygium expansum Wall.
Syzygium javanicum Miq.
Mid-canopy tree up to 37 m tall and 40 cm dbh. Stipules absent. Leaves
opposite, simple, penni-veined, secondary veins placed close together, venation
conspicuous to inconspicuous, glabrous. Flowers ca. 9 mm diameter, white, with
protruding stamens, flowers placed in panicles. Fruits ca. 16 mm diameter,
green-white-reddish, fleshy berries.
Small or canopy tree to 30(-37) m tall, 40 cm diameter, with to 2 m thick long buttresses and
stilt roots; bark at first light grey-brown and whitish mottled, becoming brown with thick long
powdery flakes. Parts hairless. Twig endings c.2 mm diameter, slender, round, pale yellowish cream,
or golden- or grey-brown to red-brown, smooth becoming minutely pimpled and wrinkled. Leaf blade
c.13-15 x 4-7 cm but variable, narrowly elliptic-lanceolate to -ovate, thinly leathery, drying
dull purple-brown above, chocolate-brown beneath, obscurely sparsely pitted above minutely
distinctly dotted beneath; base round or broadly wedge-shaped, tapering into or abruptly
terminating at the slender 0.8 mm long stalk; acumen to 2 cm slender; veins very fine but more or
less unequal, main veins c.18 pairs, spreading, arched, dense, evident and slightly raised on
both surfaces slightly more so beneath, not furrowed, spreading, tertiaries visible throughout
forming a distinct raised net beneath, dense; intramarginal veins 1(2) pairs, 1-2 mm within,
hardly looped. Panicle to 5 cm long, to 3-terminal or axillary to ramiflorous, slender, round
with spreading branchlets bearing the many flowers bunched at the endings. Flower to 9 x 3mm,
clove- becoming trumpet-shaped at anthesis, only slightly waisted, tapering through the slender
pseudostalk to base, the sepal lobes vestigial or at most 0.5 x 2 mm, hyaline, early caducous
eventually forming a rim round base of the domed corolla; corolla splitting off as a cap at
flowering; stamens white, many radiating on c.10 mm straight filaments; style extruding c.8 mm,
slender. Fruit to 2 cm diameter, spherical with eventually inconspicuous calyx rim. [from
Tree Flora of Sabah and Sarawak]
In undisturbed to slightly disturbed (open) mixed dipterocarp forests up to
200 m altitude. On hillsides and alluvial sites with sand to clay soils, but
also on limestone.
Thailand, Peninsular Malaysia, Sumatra, Java, Lesser Sunda Islands, Borneo.
Borneo: Jambu anum.