Clematis bowkeri Burtt Davy ex W.T.Wang

Woody vine. Hornotinous branches shallowly 4-sulcate, glabrous. Leaves 2-pinnate, rarely pinnate; leaflets chartaceous, ovate, rhombic, or rhombic-ovate, 1-5 x 0.9-3 cm, apex attenuate or acute, base broadly cuneate or cuneate, margin 1-3-denticulate per side, 2-3-lobed or undivided, adaxially glabrous or subglabrous, abaxially on basal veins very sparsely puberulous, basal veins nearly flat; petioles 2-4.2 cm long. Cymes axillary, 3(-4)-flowered; peduncles ca. 2.5 cm long, glabrous; bracts narrowly elliptic, 4-6 mm long. Flower 3.6-4.2 cm in diam.; pedicel 2.5-4 cm long, glabrous. Sepals 4, broadly lanceolate or narrowly ovate, 18-22 x 7-9 mm, apex attenuate, inside densely appressed-puberulous, outside on margin velutinous, elsewhere glabrous. Stamens 12-13 mm long; filaments narrowly linear, below pubescent; anthers narrowly oblong or broadly linear, 2-2.4 mm long, glabrous, apex obtuse. Ovaries densely puberulous; styles ca. 10 mm long, densely villous.