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Very variable annual or perennial herb. Stems twining, hairy to glabrescent, up to 4 m long. Leaves cordate-ovate, 20-80 x 15-70 mm, entire, apex mucronate and attenuate-acuminate to obtuse, basal lobes and sinus rounded, thinly hairy on both surfaces; petiole pilose, 13-80 mm long. Inflorescence a dense head; peduncle 20-120 mm long; outer bracts connate into large pubescent foliaceous boat-shaped involucre 30-60 mm long, 8-15 mm wide, with 2 cusps; inner bracts small, linear-oblong to obovate, flowers few-to many, shortly pedicellate. Sepals sparsely hairy or glabrescent; outer ones lanceolate, acute, ±12 mm long; inner ones shorter and ovate. Corolla funnel-shaped, purple, rose-red, mauve, white or white with pink throat, 30-50 mm long and wide; midpetaline areas minutely pilose. Capsule glabrous, globose, 6 mm wide. Seeds pubescent or glabrous, blackish, 3.5-4.0 mm long.
A slender herb. It can be sprawling or climbing and keeps growing from year to year. It can grow 18 m high climbing over vegetation. The stems and leaves are hairy. The leaves are broadly heart shaped. They can be 13 cm long. The flowers are funnel shaped. The flower tubes are pink with a darker pink veins. The fruit is a round smooth capsule.
Inflorescence a dense head, enclosed in a large foliaceous boat-shaped involucre; peduncle 1–16 cm. long; flowers few to many, very shortly pedicellate; outer bracts connate in a hairy boat-shaped structure, 3–6 cm. in diam. with 2 cusps, more or less pubescent; inner bracts small, obovate to linear-oblong, acute to aristate.
Twining annual or perennial herb. Leaf lamina ovate-cordate, acute or acuminate at apex, hairy to villous on both surfaces. Flowers in heads subtended by boat-shaped involucre. Sepals lanceolate, acute. Corolla up to 55 mm long. Flowers purple, rose, white or white with pink throat.
Leaf lamina ovate-cordate up to 13·5 × 13 cm., acute or acuminate at the apex, hairy to villous on both surfaces, sometimes more densely beneath; petiole slender, 1·3–8 cm. long, retrorsely pilose like the stems and peduncles.
Corolla funnel-shaped, purple, rose, white or white with pink throat up to 5·5 cm. long, 2–5 cm. wide at the mouth, about 4–10 mm. wide at the base, sparsely pilose on the midpetaline areas.
Sepals 6–15 × 1·5–4 mm., glabrescent to hairy, margins setose; the outer ones lanceolate; the inner ones shorter and more ovate.
Red-purple flowers 11/2 in. long or more, opening one at a time in head enclosed in a boat-shaped involucre.
Stems slender, twining, finely and usually retrorsely hairy to glabrescent, up to 4 m. long.
An extremely variable annual or perennial herb.
Seeds blackish, glabrous or shortly pubescent.
Twiner, often widely climbing, pubescent
Capsule globose, glabrous.
