Australian Tropical Rainforest Plants - Online edition
Lophostemon grandiflorus subsp. riparius (Domin) Peter G.Wilson & J.T.Waterh.
Wilson, Peter G. & Waterhouse, J.T. (1982) Australian Journal of Botany 30: 430.
Nox, Northern Swamp; Northern Swamp Box
Bark almost fibrous like a eucalypt stringybark. Pale brown, brittle stripes in the blaze.
Fruit about 5-7 mm diam., included in the calyx tube (hypanthium). Seeds linear, about 1-2 mm long.
Cotyledons +/- orbicular, about 3-4 mm diam. on a comparatively long slender petiole. At the tenth leaf stage: leaf blade ovate or lanceolate, oil dots numerous, visible with a lens and perhaps to the naked eye. Seedling +/- glabrous. Seed germination time 5 to 7 days.
Endemic to Australia, occurs in WA, NT, CYP, NEQ and CEQ. Altitudinal range in northern Australia from sea level to 600 m. Usually grows as a rheophyte along creeks and gullies through open forest but sometimes occurs in gallery forest and on rain forest and monsoon forest margins.