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Shrub to 3m, usually terrestrial, young stems finely and smoothly, stellate-brown-scaly, becoming glabrescent. Leaves 8-16 x 2.5-5cm, lanceolate to elliptic, the apex broadly to narrowly acute, sometimes abruptly acuminate, the margin mostly flat but rather wavy, the base truncate to subauriculate strongly rugose from the very short petiole; upper surface very finely scaly at first, soon glabrous, the midrib strongly raised for just over half its length, laterals 10-13 pairs, smooth or with the lamina sulcate between the veins near the middle of the leaf; underside with the midrib flat or only slightly raised, the laterals rather obscure, not raised at all; scales rather pale brown to translucent, lobed and impressed. Flowers 4-10 per umbel, erect to half hanging; calyx a low slightly angled disc; corolla bright yellow, broadly funnel-shaped, 2.5-3 x 3.5-5.5cm, glabrous outside; stamens 10, rather irregular but mostly disposed in the lower 2/3 of the mouth of the flower; ovary with a few obscure scales, minutely papillose, style glabrous.
Distribution Indonesia, (Sumatra).
RHS Hardiness H1a-b.
Delightful bright yellow flowers, very freely produced, the forms in cultivation appreciate a little more heat than most of the Vireyas.