3. Caryopteris forrestii Diels, Notes Roy. Bot. Gard. Edinburgh. 5: 296. 1912.
灰毛莸 hui mao you
Subshrubs, aromatic. Branchlets terete, grayish brown tomentose when young, glabrescent. Petiole 2-10 mm; leaf blade narrowly elliptic to ovate-lanceolate, 0.5-6 X 0.2-2.5 cm, thickly papery, abaxially densely gray tomentose, adaxially green and pubescent, base cuneate, apex obtuse. Inflorescences axillary or terminal, dense corymbose cymes; peduncle densely gray tomentose. Calyx campanulate, 2-4 mm, outside gray tomentose; lobes 5, lanceolate. Corolla greenish white to greenish yellow, ca. 5 mm, tube ca. 2 mm, lower lobe dentate to nearly fringed, both surfaces puberulent especially outside, villous at insertion of filaments. Stamens and style exserted. Ovary pubescent, apically glandular. Fruiting calyx 5-7 mm. Fruit ca. 2 mm in diam., hirsute, apical part glandular, nutlets winged, oblong-oblanceolate, ca. 3 mm, glabrous or with short spreading hairs near tip.
* 1700-4000 m. Guizhou, Sichuan, Xizang, Yunnan