Terrestrial herb, subshrub or shrub, 0.3-1.8 m tall. Stem woody at base, erect, apex hirsute, glabrescent below. Leaves equal to subequal in a pair; petiole 3-12 cm long, hirsute; blade becoming membranous when dry, obliquely elliptic, 20-30 x 7-13 cm, margin remotely sharp-serrulate, apex short-acuminate, base cuneate, above strigillose, below hirsute especially along midrib and veins. Flowers in fasciculate many-flowered, epedunculate inflorescences; pedicel (0.5-)1-1.5 cm long, hirsute. Calyx subcampanulate, yellowish, lobes free, erect, subequal, ovate to ovate-lanceolate, 0.6-0.8 x 0.2-0.3 cm, margin entire and long-ciliate, apex subulate-acuminate, outside hirsute, inside glabrous; corolla oblique in calyx, yellow, 1.8-2 cm long, tube cylindric, 1.7-1.8 cm long, base gibbous, 0.3-0.5 cm wide, middle somewhat ventricose, throat constricted, 0.5-0.6 cm wide, outside glabrous, inside with a ring of glandular hairs in throat, limb 0.7-1 cm wide, lobes subequal, slightly spreading, orbicular, 0.15-0.2 x 0.15-0.2 cm, margin entire; stamens included, inserted below middle of corolla tube; ovary conic, 0.2-0.3 x 0.2-0.3 cm, glabrous, style ca. 1-1.5 cm long, puberulous, stigma 2-lobed. Mature berry yellow, globose, 0.8-1 x 0.8-1 cm.
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