Flora of North America species comparison

erect, to 50 cm.

petiole to 3 mm (proximal leaves), absent (distal leaves);

blade ovate to hastate, rarely elliptic, basally lobed or unlobed, to 10 × 5 cm, base usually cuneate to truncate, sometimes acute, margins usually serrate, sometimes crenate, rarely entire, apex acute.

persisting;

petiole present or absent;

blade linear-lanceolate to linear, margins usually irregularly deeply lobed, lobes pointed.

petiole absent;

blade ovate-lanceolate to linear, to 15(–22) cm, margins few-lobed or entire.

green, ovate to ovate-lanceolate, 2.9–8.2 × 1.1–1.9 mm, width 1/8–1/2 length, not concealing capsule, margins entire.

(fruiting) 0–2.5 × 2 mm.

sepals 2–6 mm;

petals yellow to orange proximally, yellow distally, 3–8 mm, apex rounded or acute apex;

stamens 20–40, 2–7 mm, filaments monomorphic, filiform, unlobed;

styles 2–6 mm.

petals orange, (6–)8–18.5 × (3–)4–10.5 mm, apex cuspidate, hairy abaxially on distal 1/2;

stamens 15–45, 5–9.5 mm, filaments monomorphic, filiform;

styles 5–10 mm.

clavate, 11–31 × 1.5–3 mm, axillary curved to 250° at maturity, usually inconspicuously longitudinally ribbed.

subcylindric to clavate, (5–)7–17 × 2–3.5 mm, base tapering gradually, capsule and pedicel not well-differentiated, walls thick, woody.

15–50, in 2+ rows distal to mid fruit, tan, usually not, occasionally sparsely, dark-mottled, usually irregularly polygonal, occasionally triangular prisms proximal to mid fruit, surface colliculate under 10x magnification; recurved flap over hilum absent;

seed coat cell outer periclinal wall domed, domes on seed edges less than 1/2 as tall as wide at maturity.

(1–)2–3(–4) per capsule, oblong, without transverse folds.

= 36.

= 20, 22.