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Botanical descriptions Habitat and ecology Distribution
Diagnostic characters : | Trees with white latex. Leaves in whorl; flowers white with recurved and overlapping petal lobes, puberulent at both side. |
Habit : | Tree up to 30 m. tall, branches ascending to main trunk. Bole generally fluted at base. |
Trunk & bark : | Trunk with low buttresses. Bark fissured, longitudinally lenticellate, pale yellow, inner bark brownish-yellow. |
Branches and branchlets or twigs : | Branches terete, irregular and glabrous, brownish when dry, strongly lenticellate. |
Exudates : | Latex white in trunk and leaves. |
Leaves : | Leaves simple, grouped in whorls of 5-14 cm. by 1.6-5.5 cm., oblong or elliptic, apex acuminate or strongly acuminate, base attenuate and decurrent, margin undulate, young leaves brownish, blade coriaceous and glabrous. Midrib flat above, prominent below, secondary vein very closely parallel, 35-56 pairs. Petiole with very small intrapetiolar stipule at base and with scale-like collecters in the axils. |
Inflorescences or flowers : | Flowers white, grouped in umbel-like, corolla tubes lobes, overlapping, finely velvety both side, slightly sweet smell. |
Fruits : | The fruits are solitary follicles of 12-19.5 by 0.7-0.8 cm. with thick walled and glabrous. |
Seeds : | Seeds numerous, 1 x 0.25 cm. glabrous and ciliate at both ends. |