Flora of North America species comparison

also with line of fine, curved hairs extending from node to node.

linear, 1–2.5 cm, margins ± ciliate.

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.

lasting a few hours, ascending or erect;

calyx divided 1/2 length, campanulate, 0.8–1.8 cm, accrescent and conspicuously inflating to enclose fruit, becoming scarious, primary veins zigzag, lobes broadly trullate, apices acute, nectaries absent;

corolla rotate, petals yellow or cream with conspicuous purple-brown spot basally, purplish abaxially where exposed in bud, obovate to broadly obovate, 1.5–3(–4) × 1–2(–3) cm, apical margins repand, finely hairy abaxially where exposed in bud;

staminal column dark red to purple, 0.4–0.7(–1.1) cm, abruptly expanded below to form cup over ovary, bearing filaments in distal 1/2, free portion of filaments not secund, 2–3(–5) mm;

pollen yellow-orange;

styles usually white to cream, yellowish, or maroon, 2–3(–6) mm;

stigmas dark red to purple.

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.

dark brown-black, ellipsoid to ovoid, 1.2–1.5 cm, apex obtuse to broadly acute, hairy.

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

dark gray-brown, reniform-ovoid, somewhat depressed laterally, 2–2.5 mm, sparingly and minutely papillose.

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

= 28, 56 (both cultivars).

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