Slender undershrub to 30 cm high. Branchlets pilose and sparsely stellate-hairy. Leaves erect, narrowly elliptic, 10–15 mm long, leathery, sparsely pilose, glabrescent. Flowers pendulous; pedicels c. 3 mm long. Sepals narrowly ovate, c. 4 mm long, sparsely pilose. Corolla cylindrical, 2–2.5 cm long, slightly funnelform above; petals narrowly oblong-elliptic, obtuse, lime-yellow with green or purple medial stripe, sparsely pilose towards apex. Stamens: filaments linear-filiform, equal to petals, pilose at base; anthers cordate-orbicular, c. 1 mm long. Ovary villous; style equal to stamens. Seed c. 4 mm long.