Flora of North America species comparison

stipules narrowly triangular, 1–2.5 mm;

petiole to 1/3 blade, adaxial groove hairy with minute, ± sinuous hairs;

blade lanceolate-ovate to ovate, unlobed, 3.5–10.5 × 1.5–4 cm, base rounded to cuneate, margins coarsely serrate in distal 2/3–3/4, apex acute to short-acuminate, ± pinnately veined, surfaces glabrate, nectary present abaxially on midvein near base.

solitary flowers in axils of distal leaves.

jointed at middle or distally, 7.5–15 cm;

involucellar bractlets 6–8, triangular, 0.06–0.18 cm, margins not ciliate.

pendulous;

calyx divided 1/8–1/2 length, often 3-lobed, tubular to narrowly funnelform, (1–)1.4–2 cm, lobes broadly triangular, apices acute to obtuse, glabrate, neither accrescent nor inflated, nectaries absent;

petals strongly recurved, rose-pink to red, darker on veins, broadly to narrowly obovate, deeply and irregularly pinnatifid-laciniate, 4–6.5 × 1.5–3.5 cm, glabrous;

staminal column straight or curved apically, pendulous, pink to red, 5.5–9 cm, bearing filaments in distal 1/3–1/2, free portion of filaments not secund, 4.5–7.5 mm;

pollen yellow;

styles pink to red, 7–15 mm;

stigmas pink to red.

horizontal or ascending;

calyx divided to ± middle, broadly campanulate, 2.9–6 cm, larger in fruit, lobes triangular, apices acute to subcaudate, velvety-hairy, nectaries absent;

corolla broadly to narrowly funnelform, petals pale pink to white, red basally, narrowly obovate, usually not conspicuously overlapping, 8.5–14 × 4–8.5 cm, apical margins repand, finely hairy abaxially where exposed in bud;

staminal column straight, pink to white, 6.2–9.5 cm, length 2/3 petals, bearing filaments throughout its length, free portion of filaments secund, 3–9 mm;

pollen yellow;

styles white, 7–17 mm;

stigmas yellow.

brown, oblong-cylindric, 3.5–4 cm, glabrous or puberulent.

light to dark brown, ovoid to subglobose, 2.2–3.5 cm, apex apiculate, hispid with simple, yellowish-brown to reddish-brown hairs.

brown, angulately reniform-ovoid, 2–3 mm, smooth, glabrous or puberulent.

brown to reddish brown, reniform-globose, 2.8–3.1 mm, verrucose-papillose.

= 34, 40, 42, 45 (all cultivars).

= 38.