Flora of North America species comparison

erect, to 70 cm.

petiole to 25 mm (proximal leaves), absent (distal leaves);

blade usually lanceolate to hastate, rarely elliptic, basally lobed, sometime with 2 pairs of lobes, or unlobed, to 14 × 4.5 cm, base obliquely obtuse to acute, margins shallowly serrate, apex acute.

persisting;

petiole present or absent;

blade lanceolate to linear, margins deeply to shallowly lobed.

petiole absent;

blade ovate to linear, to 12 cm, margins deeply lobed to dentate.

green, ovate to lanceolate, 6.6–12.8 × 1.9–6.8 mm, width 1/5–2/3 length, not concealing capsule, margins 3–7-lobed.

(fruiting) 0.5–0.8 × 1–2 mm (often appearing absent because thick and continuous with capsule).

sepals 3–13 mm;

petals red to orange proximally, orange to yellow distally, 8–22 mm, apex mucronate, rounded, or retuse;

stamens 20+, 4–11 mm, filaments monomorphic, filiform, unlobed;

styles 5–13 mm.

petals orange, 5–7 × 2.3–4 mm, apex cuspidate, hairy on apex and abaxially near apex;

stamens 8–12, 4–5.3 mm, filaments heteromorphic, 5 outermost narrowly spatulate, inner filiform;

styles 3.8–5.5 mm.

clavate, 12–35 × 2–4 mm, axillary curved to 90° at maturity, usually inconspicuously longitudinally ribbed.

clavate or funnelform, 12–27 × 3–5 mm, base tapering gradually, capsule and pedicel not well-differentiated.

20–40, in 2+ rows distal to mid fruit, tan, dark-mottled or not, usually irregularly polygonal, occasionally triangular prisms proximal to mid fruit, surface tuberculate under 10x magnification; recurved flap over hilum absent;

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

8–12 per capsule, pyriform, without transverse folds.

= 18.

= 20.