18. Leptodermis parvifolia Hutchinson in Sargent, Pl. Wilson. 3: 404. 1916.
瓦山野丁香 wa shan ye ding xiang
Erect or procumbent shrubs, 0.5-1(-1.5) m tall; branchlets short or slightly long, gray or reddish when young, puberulent, soon glabrescent. Petiole short; leaf blade slightly thick, spatulate-ovate or oblanceolate, sometimes subovate or elliptic, 5-10 × 2-5 mm, base attenuate, apex obtuse or subacute; lateral veins ca. 3 pairs, usually inconspicuous; stipules subulate-acuminate, ca. 1 mm, shorter than calyx, glabrous, abruptly acuminate. Calyx tube with 10 ridges, 5 ridges extending to sinus, glabrous; lobes 5, triangular-lanceolate, ca. 1.25 mm, shortly ciliate, acute. Corolla tube ca. 1.2 cm, upper portion enlarged, puberulent outside, sparsely pubescent inside; lobes 5, ovate-lanceolate, ca. 2.5 mm, with revolute margins, acute. Anthers ca. 1.25 mm, slightly exserted. Style equal to corolla tube in length, glabrous, 5-lobed, lobes slender. Capsules 4-5 mm; seed aril reticulate, adherent to testa or free at one end. Fl. Aug-Sep.
● Thickets or forest margins on sunny mountain slopes; 1500-3000 m. Sichuan.