天全野丁香 tian quan ye ding xiang

Small shrubs; young branches not lignified, with 2 bands of soft hairs, old branches slender, glabrous, with gray bark. Leaves sparsely borne on young abbreviated branches, subsessile; blade oblong-lanceolate, 1-2.5 × 0.3-0.9 cm, adaxially with scattered hairs, tomentulose on midrib, abaxially glabrous, base attenuate, margins with dense bristles, apex acute, apiculate; lateral veins 3-5 pairs, inconspicuous, reticulate veins conspicuous; stipules triangular, subulate acuminate and with 2 glandular teeth near apex, another 2 glandular teeth remotely arranged or lacerate, central portion triangular, membranous-papery, villous, with transparent broad margins, not ciliate. Flowers usually 3 terminal on branchlets, subsessile, sometimes lateral flowers pedicellate, sometimes with a pair of flowers in axils of upper nodes; bracteoles thin, transparent, ovate-oblong, 2-2.5 mm, equal to calyx in length or slightly longer, 1/6-1/4 connate, shiny, 1-veined, not ciliate, long subulate-acuminate. Calyx lobes usually 5, sometimes 4, long or shortly triangular, ciliate, very apiculate. Corolla yellowish white, medium-sized; tube narrowly funnelform, 8-9 mm, slightly curved, hispidulous outside, villous around middle inside; lobes ovate, ca. 2 mm, central portion thick and broader than transparent, wavy margins, villous at base inside, apex incurved. Stamens in long-styled flowers inserted at middle of corolla tube; filaments very short; anthers ca. 2 mm. Style usually (4 or)5-lobed.

● Thickets or open fields on hill slopes; 1000-1500 m. C Sichuan (Tianquan).