PHYTOLOGIA, VOL. 50

A Cooperative Nonprofit Journal Designed to Expedite Botanical Publication, December, 1981-May, 1982Climbing semi - woody liana, stems terete, somewhat sulcate (after drying), glabrous, internodes to 20 cm or more long, nodes provided with very prominent stipular like enations, to cm wide and cm long, margins entire to undulate - dentate. Leaves ovate, semi - coriaceous, to 15 - cm or more long and 7 cm wide, apices long attenuate, margins entire, bases rounded to a slightly cuneate base, pinnately nerved, with two pairs of secondary veins originating within 2 cm of the base, arching toward the apex, more or less parallel to the margin, above glabrous, major veins raised, tertiary veins somewhat prominent, reticulate, below glabrous, veins raised, prominently reticulate, petiole to cm long, glabrate, grooved above. Inflorescence paniculate, to ca 12 cm long and 9 cm wide, branchlets irregularly pedicellate, ultimately arranged in spikes or very shortly pedicellate in racemes to 3 cm long. Heads ca 5-6 mm long. Exterior bract linear-subulate, borne at the base of the pedicel. Invo lucral scales ovate to ovate - oblong, ca 3 mm long, apices rounded, ciliolate, margins ciliolate, revolute in age. Corolla white, ca 4 mm long, tube pilose ca mm long, throat funnelform, ca mm long, pilose, teeth lance ovate, ca mm long, pilose. Achene ca mm long, dark olivaceous, ribs lighter in color, glabrate. Pappus bristles white, ca 35, ca 3 mm long, scabrid, slightly thickened at the tips.Holotype