Suffrutescent, relatively unbranched, erect herbs 1-2(-3?) m tall; stems gla-brous or nearly so below the inflorescence. Median cauline leaves with blades el-liptic to somewhat oblanceolate to obovate, (10-) 15-30(-39) cm long, 6-12 cm wide, mostly 2.5-4 times as long as wide, drying thin and membranous, apically acute to acuminate, basally cuneate, marginally moderately to coarsely doubly serrate, glabrous above and moderately to densely spreading short-pubescent be-neath at least along the principal veins and often through the 4th order with slender-based trichomes 0.1-0.2 mm long, otherwise glabrous; petiole (1.5-)2-6 cm long. Inflorescences 5-18(-25) cm long, 8-40-flowered in a usually dense, racemose cluster, terminal or rarely cauliflorous beneath the terminal cluster of leaves; peduncle moderately to densely spreading, short-pubescent, mostly (3-) 6-15 cm long; bracts reduced, thin, petiolate, foliaceous, 1-6 cm long, 0.8-2.0 cm wide. Flowers 3.5-4.8 cm long; pedicels mostly 2-6 cm long at maturity, moder-ately to densely spreading short-pubescent, the trichomes slender, straight and 0.1-0.3 mm long, the bracteoles linear, mostly 4-6 mm long, borne (0.3-)0.8-1.6 cm above the pedicel base; hypanthium moderately to densely spreading-short-pubescent, hemispheric, rounded to somewhat truncate basally, 4-6 mm high; calyx lobes linear to narrowly triangular, erect, 0.9-1.5(-1.7) cm long, ca. 2 mm wide at the base, acute, entire to minutely and irregularly toothed, moderately short-pubescent; corolla bright rose-purple or reddish pink, moderately to densely spreading short-pubescent externally, the slender trichomes 0.1-0.2 mm long and only slightly if at all wider at the base than at the midpoint, glabrous internally, the tube 2.8-3.4 (-3.8) cm long, moderately to strikingly curved in the upper third, 4-6 mm in diameter below the bend and expanding above to 6-9(-13) mm in diameter at the throat, the 2 upper lobes erect to slightly falcate, 7-9 mm long, acute, the 2 lateral lobes triangular, acute, with a falcate tip, 5-7 mm long, the lowermost lobe triangular, 5-7 mm long, erect, acute; filament tube 30-38 mm long, glabrous, sometimes spreading-short-pubescent apically, pale reddish, slightly exserted, the anther tube blackish, 4-6 mm long, glabrous to sparingly short-pilose on the connectives, the trichomes 0.5-0.8 mm long, the shorter, lower anthers terminated by a stiff concrescent, triangular scale 2-3 mm long. Berries relatively thin-walled, subglobose and somewhat angular, 0.8-1.4 mm in diameter; seeds plumply lenticular, foveate-reticulate, dark brownish, ca. 0.5 mm long.
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