Description from Flora of China
Caprifolium elisae (Franchet) Kuntze; C. praecox Kuntze; Lonicera infundibulum Franchet; L. infundibulum var. rockii Rehder; L. pekinensis Rehder; L. praecox (Kuntze) Rehder (1911), not K. Koch (1872).
Shrubs, deciduous, to 3 m tall. Winter buds with several pairs of scales, inner 1 accrescent and orbicular-ovate. Young branches glabrous, or setose, hirsute, and glandular hairy. Petiole 3-7 mm; leaf blade ovate to lanceolate, 2.5-7 × 1-4.5 cm, both surfaces adpressed stiffly hairy, more so abaxially, base rounded to cuneate, apex acute to acuminate. Inflorescences axillary paired flowers and at base of new shoots; flowers opening early in season; peduncle ca. 0.5 cm at anthesis; bracts broadly ovate to lanceolate, 6-10 mm, glabrous, pilose or glandular with few setose hairs; bracteoles none (original description with drawing of Lonicera elisae shows a pair of bracteoles; these not evident on type specimen). Neighboring 2 ovaries free, glandular hairy and hirsute, hirsute or glabrous. Calyx lobed to truncate, 2-3 mm, stiffly hairy and glandular ciliate or glabrous. Corolla white or pinkish, narrowly funnelform, 1.5-2 cm, outside stiffly hairy or glabrous, shallowly gibbous toward base; lobes subregular, ca. 1/3 as long as tube. Stamens slightly exserted and style long exserted, glabrous to hairy. Peduncle to 2.5 cm in fruit; berries orange to red, ellipsoid, ca. 1 cm, sparsely glandular hairy and hirsute or glabrous; seeds yellowish brown, slightly compressed, oblong or ovoid, 3.5-4 mm, smooth. Fl. Apr-May, fr. May-Jun.
● Forests, scrub; 500-1600(-2300) m. SW Anhui, SE Gansu, Hebei, Henan, W Hubei, S Shaanxi, S Shanxi, Sichuan, NW Zhejiang.