Archiclematis alternata (Kitamura & Tamura) Tamura.

Shrublets scandent. Branches slender, appressed puberulous. Leaves alternate, simple; petiole 2.5--6 cm; leaf blade ovate, cordate, or pentagonal, 3--7 × 3--7.5 cm, papery, abaxially densely puberulous to velutinous, adaxially densely appressed puberulous, base cordate, margin denticulate, apex acute to short acuminate; basal veins abaxially ± prominent. Cymes axillary, 1--3-flowered; peduncle 3.4--7 cm, puberulous; bracts short petiolate, ovate to broadly rhombic, 1--1.8 cm, 3-lobed. Flowers campanulate, nodding, 1.5--2 cm in diam. Pedicel 2.5--3.8 cm, densely puberulous. Sepals 4, red, erect, ovate-oblong, 1.8--2.2 × 0.6--1.2 cm, abaxially densely appressed puberulous, adaxially sparsely puberulous, apex ± obtuse. Stamens 1.5--2 cm; filaments pubescent; anthers linear to narrowly oblong, ca. 4 mm, glabrous, apex obtuse. Ovaries pubescent. Style ca. 1.3 cm, densely villous. Fl. Jul, fr. Aug.

Clematis alternata differs from all other species of Clematis in having alternate leaves. It has been treated as the separate genus Archiclematis .

Forest margins, scrub; 2200--2500 m. S Xizang (Gyirong Xian) [Nepal].