Oreocharis hainanensis

Perennial herb, rhizomatous, acaulescent. Leaves basal, rosette; petiole 1.5 – 5 cm long, 2 – 3 mm in diameter, brown woolly; blade obovate, ovate to broadly ovate, rarely broadly ovate, 2.5 – 9 × 2 – 7 cm, adaxially gray pubescent, abaxially brown pubescent, densely brown villous along veins, apex subrounded, rarely rounded, margin shallowly crenateserrate, base often cuneate, rarely subrounded, lateral veins 5 – 7 pairs, distinct, conspicuously prominent adaxially and conspicuously elevated abaxially. Inflorescence cymose, axillary, cymes 2 – 7, 3 – 8 - flowered; peduncle 5 – 17 cm long, brown, sparsely pale gray villous. Bracts 2, linear to narrowly triangular, 2 – 3 × ca. 1 cm, abaxially pale gray villous, apex acuminate, margin entire; pedicel to 4 cm long, sparsely pale gray villous. Calyx green, 3 – 4 mm long, 5 - parted near to base, lobes narrowly lanceolate, 2.5 – 4 × ca. 1 mm, apex acuminate, margin entire, adaxially pale gray pubescent, abaxially glabrous. Corolla yellow, 1 – 1.5 cm long, adaxially pubescent; tube campanulate, 1 – 1.7 cm × 3 – 4.5 mm; limb 2 - lipped, adaxial lip shallowly 2 - lobed, lobes ca. 3.5 × 5 mm, abaxial lip 3 - lobed almost to base, lobes equal, subsemiorbicular, 5.5 – 8 × 5 – 7 mm, apex acuminate. Stamens 4, didynamous, adnate to corolla 3 – 4 mm from base, exserted; filaments of adaxial pairs ca. 0.8 cm long, abaxial pairs ca. 1.4 cm long; anthers ovate, bithecous, dehiscing longitudinally, adaxial thecae 1 – 1.5 × 0.7 – 1.1 mm, downward, abaxial thecae 1.8 – 2.8 × 1 – 1.5 mm, upward; staminode 1, adnate to corolla 2 – 3 mm above base, ca. 2 mm long. Disc ca. 1 mm high, entire. Pistil ca. 1.6 cm long, glabrous; ovary narrowly oblong, ca. 8 mm long, glandular-puberulent; style cylindrical and glandular-puberulent, ca. 0.5 cm long; stigma 2, equal, suborbicular. Capsule linear, 2.5 – 4 cm long, glabrous to sparsely puberulent.