Shrubs, semievergreen, to 3 m tall; young shoots with spreading red-brown flat glandular hairs, also pubescent. Summer and winter leaves different. Petiole 4–6 mm, with dense short brown glandular setae and flat hairs; leaf blade thinly leathery, elliptic or elliptic-lanceolate, 2–7.8 × 1.5–5 cm; base broadly cuneate; margin slightly revolute, ciliate; apex obtuse and mucronate; adaxial surface densely shortly setose, later subglabrous. Inflorescence 2–4-flowered. Pedicel 0.6–1 cm, shortly glandular setose; calyx lobes unequal, triangular-ovate or ovate-lanceolate, 3–8 mm, outer surface with long red-brown glandular hairs on margin; corolla broadly funnelform, brick-red, lacking flecks, 4–4.8 × 3–5 cm; tube tapering toward the base, 1.8–2.4 cm, glabrous; lobes ovate or elliptic-ovate; stamens 10, unequal, shorter than the corolla, filaments puberulent in the lower half; ovary ovoid, densely yellow-brown glandular-setose; style longer than stamens, exserted, glabrous. Capsules broadly ovoid, 9–15 mm, glandular-setose, calyx persistent. Fl. May–Jul(–Oct).
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A hairy shrub. It grows 1-3 m high. The hairs are red-brown. The leaves are narrowly sword shaped. They are 3-8 cm long by 2-4 cm wide. They taper to a sharp point. The base is wedge shaped. The flowers are dark red. There are 1-3 on stalks covered with hairs. The flowers are funnel shaped. They are 4 cm long. The fruit is an oval capsule. It is 8 mm long and hairy.
It is a temperate plant. It grows in mountain thickets in Taiwan at about 2,800 m above sea level. It grows on sandstone cliffs up to 2,450 m above sea level.
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