White parasitic perennial, drying black; stems clustered, ascending, 6–15 cm high, simple, almost glabrous. Leaves reduced to ovate scales 3–5 mm long. Flowers large for the size of plant, in racemes; bracts lanceolate to broadly ovate, 15–22 mm long, 5–12 mm broad, ± acute, 1–3-veined; pedicels 3–12 mm long, sometimes with a bracteole above midway, glabrous. Calyx tubular, 5-angled, tube ± 20 mm long, 12 mm wide; lobes unequal, triangular, ± 5 mm long, acuminate, ciliate on veins. Corolla white, yellow inside, 38–68 mm long, tube narrowed at base; lobes spreading to reflexed, 10–12 mm, subacute. Filaments inserted 20 mm from base; anthers acute. Capsule obovoid, 10 mm in diameter; style ± persistent. Seeds oblong, 1.1 mm long, 0.3 mm wide, reticulate.