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Shrub or tree up to 10m, terrestrial; young stems finely scaly at first. Leaves 7-17 x 3-9cm, elliptic, broadly elliptic to sub-obovate, the apex shortly acuminate, broadly acute or obtuse, the margin flat and entire, the base broadly tapering, sometimes rather unequal; the upper surface at first with pale brown scales, these becoming silvery and soon disappearing, the midrib slightly raised in the basal half, distinctly grooved to over half way, the lateral veins 9-14 pairs very slightly raised; lower surface with the midrib strongly raised for most of its length, the laterals very slightly raised, scales rather sparse, pale brown, lobed and with small darker centres. Flowers 4-8 per umbel, semi-erect to half hanging; calyx a low scaly and hairy disc; corolla orange to pink with a yellow throat, sometimes scented, funnel-shaped, 4-10 x 5-6cm, sometimes with a few hairs at the base and generally laxly scaly outside; stamens 10, rather irregularly scattered usually on the lower side of the mouth; ovary hairy and obscurely scaly, the style hairy and often scaly as well for about 3/4 of its length, glabrous at the top.
Distribution Throughout New Guinea and west to the Moluccas (W Seram).
Habitat almost from s.l.-2,000m.
RHS Hardiness H1a-b.
Awards AM 1973 (Royal Botanic Gardens, Kew) to a clone ‘Decimus’; flowers Orange-Red Group 31B at tip, Yellow-Orange Group 21A at base.
This widespread species is one of the boldest of the Vireyas with its flamboyant orange and yellow flowers. It is the parent of many hybrids both cultivated and in the wild. It is most likely to be confused with R. laetum or R. baenitzianwn and may be distinguished as noted under those species.