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

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

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

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.

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

= 36.

= 20.