Glossoloma wiehleri J.L.Clark & Tobar

Description. Scandent subshrub with elongate horizontal shoots, sparingly branched, to 4 m long, to 1.5 cm in diameter, subwoody; internodes 3.8 - 8 cm long, subquandrangular, brown velutinous. Leaves opposite, isophyllous, coriaceous; blade symmetric, ovate to broadly ovate, 9.3 - 12.5 x 5 - 6.7 cm, base truncate to slightly cordate, apex acute, margin serrulate, adaxially light green, densely pilose, abaxially uniformly dark red to green with red venation, densely villous, lateral veins 6 - 9, primary and secondary veins occasionally red. Inflorescence reduced to a single axillary flower (rarely 2 - 3); peduncles absent or highly reduced (<2 mm); bracts absent or caducous, 2 x 3 mm. Flowers resupinate, subtended by elongate pedicels, 1.2 - 4.5 cm long, densely pilose, oriented horizontal relative to shoot, becoming more pendent during anthesis; calyx lobes 5, nearly free, mostly equal in size and shape, dorsal lobe slightly smaller, lobes appressed to flower when immature and spreading during anthesis, mostly green with red margins, 1.6 - 3.0 x 1.0 - 1.3 cm, broadly ovate, apex acute to acuminate, margin with 5 - 10 deep serrations (ca. 4 mm long teeth), densely pilose on both surfaces; corolla tubular, broadly ampliate on dorsal surface (not ampliate on ventral surface), posture horizontal relative to calyx, corolla tube 2.4 - 2.6 cm long, outer surface densely pilose, uniformly bright yellow on the inside and white suffused with yellow on the outside, lobes 3 - 5 x 4 - 6 mm. Androecium of 4 stamens, filaments connate at the base and forming a filament curtain for 3 - 4 mm, free portion of filaments 2 - 2.5 cm long, glabrous; anthers longer than broad, ca. 2 x 1.5 mm, dehiscing by longitudinal slits; staminode lanceolate 3 - 5 x 1 - 2 mm; nectary a bilobed dorsal gland, sometimes appearing truncate, glabrous; ovary superior, densely pilose, 2 - 4 x 2 mm, style ca. 2.0 cm long, glabrous, stigma included and shallowly bifid. Immature fruit cone-shaped, densely pilose, 1.4 x 0.9 cm. Mature fruit not observed.

Figs 1, 2