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Corolla rose-scarlet or-crimson; tube 1.7–2.7 cm. long, sparsely hairy or glabrous below, 0.25–2.3 mm. wide below, dilated above to 1.25–3 mm. wide for a distance of 3–5 mm., the dilation urceolate and usually rounded at the base, externally hairy with long multicellular crimson or purple hairs; lobes 0.5–1.8 x 0.25–1 cm, ovate, orbicular or elliptic-spathulate, mucronate from the emarginate tip, connate at the base for 0.5–1.5 mm.; throat orifice 0.5–1.5 mm. in diam.; throat densely hairy, the apical hairs crimson and spreading over the orifice and connate parts of the corolla lobes.
Leaf blades 1.5–9.5 x 0.7–3.2 cm. wide, ovate-elliptic or rarely linear, ± acute at the apex, rounded or cuneate at the base, pubescent to densely hairy on both surfaces, or glabrous above and pubescent beneath on the nerves, or altogether glabrous save for a very minute pubescence near the edges above and on the venation beneath; petiole obsolete or 1–6 mm. long; stipules with 1–3 flat linear setae 1–5 x 0.2–1 mm., and also 2–6 short setae or sessile colleters from a short base.
Fruit chestnut or purple-brown, 0.6–1.2 cm. x 4–6 mm. x 2.5–5 mm. (rarely smaller, 5 x 3.5 mm.), oblong, compressed, strongly ribbed, pubescent or hairy; dehiscence apical and accompanied by some longitudinal splitting.
Flowering inflorescence 1–6.5 cm. long, becoming 4–37 cm. long in fruit, with a peduncle 0–30 cm. long; solitary nodal flower with pedicel up to 2 cm. long.
Calyx tube c. 2 mm. long, glabrous to hirsute; lobes very unequal, 1–3 foliaceous, lanceolate, 0.5–2.4 cm. x 1.2–4.8 mm., the rest 1–4 x 0.5–1.5 mm.
Erect or rarely straggling herb 0.35–3 m. tall, with single unbranched or sparsely branched glabrescent pubescent or hairy stem.
Styles exserted 0–5 mm.; stigmas elliptic, 0.5–1 mm. long.
Erect herb, 2-3 ft. high, sparingly branched
Seeds angular, c. 0.7 mm. long.
Anthers completely included.
Flowers scarlet to pink
