金沙江莸 jin sha jiang you

Subshrubs 30-70 cm tall, usually branched from base. Branchlets densely brown tomentose when young, glabrescent. Petiole (0.2-)1-2 cm, densely puberulent; leaf blade broadly ovate to subrounded, (0.3-)1-3.2 X (0.4-)1-3 cm, papery, densely glandular, abaxially glaucous, margin entire or subentire, veins 3 or 4 pairs. Inflorescences axillary or terminal, corymbose cymes; peduncle slender, 0.5-2.2 cm, brown pilose. Calyx campanulate, 1.7-2.2 mm, lobes oblong-lanceolate, outside brown puberulent and glandular. Corolla tube 6-8 mm, puberulent at insertion of stamens, lower lobe slightly dentate. Stamens and style exserted. Ovary subglabrous. Fruit ovate-elliptic, 2.7-3.2 X 2-2.4 mm.

* Valleys; ca. 1400 m. SW Yunnan (Jinsha Jiang valley)

Related to Caryopteris forrestii but differs in its broadly ovate to subrounded leaf blades and purplish corollas.