Neonauclea gigantea (Valeton) Merr., J. Wash. Acad. Sci. 5 (1915)

Latin for 'gigantic', referring to the leaves.

Synonyms
Nauclea cyrtopodioides Werhn.
Nauclea gigantea Valeton
Neonauclea cyrtopodoides (Werhn.) Merr.

Description
Understorey tree up to 20 m tall and 26 cm dbh. Stipules ca. 35 mm long, rounded dip, dropped early. Leaves opposite, simple, penni-veined, glabrous to slightly hairy. Flowers ca. 5 mm diameter, white-yellow, with corolla tube, placed in globose flower heads. Fruits ca. 33 mm diameter, greenish, fused into compact fruiting body.

Ecology
Mostly on open disturbed sites such as roads, large gaps and river sides, but also in undisturbed mixed dipterocarp and sub-montane forests up to 1400 m altitude. Along rivers and streams and on hillsides on clay to ultrabasic soils, also on ultramafic.

Distribution
Borneo (throughout the island).

Local names
Borneo: Tintap.