Flora of North America species comparison

solitary, erect, straight;

branches distal or along entire stem, proximal or distal longest, antrorse, straight to upcurved; hairy.

blade 72–295 × 14–45 mm, widest intersinus distance 10.1–23.3 mm;

proximal oblanceolate or elliptic, margins serrate to pinnate, teeth or lobes 16–26, slightly antrorse, 1–16.5 mm;

distal elliptic to lanceolate, base clasping or not, margins serrate to pinnate, teeth or lobes 9–20, slightly antrorse, 5.3–13.7 mm;

surfaces with needlelike trichomes.

persisting;

petiole present or absent;

blade lanceolate to linear, margins usually shallowly, rarely deeply, lobed.

petiole absent;

blade ovate to lanceolate, to 40 cm, margins deeply to shallowly lobed.

margins pinnate.

green, broadly ovate to lanceolate, 6–12.7 × 3.5–7.7 mm, width 1/2–4/5 length, not concealing capsule, margins 3–10-lobed.

petals white, 47–75 × 13–22.7 mm, apex acute to attenuate, glabrous abaxially;

stamens white to yellow, 5 outermost petaloid, filaments spatulate, strongly clawed, 48–75 × 12–23 mm, without anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 36–53 mm.

sepals 7–20 mm;

petals usually orange, rarely yellow, proximally, yellow distally, usually elliptic to ovate, rarely obovate, 21–42 × 8–17(–21) mm, apex acute;

stamens 20+, 11–40 mm, filaments heteromorphic, 5 outermost linear, inner filiform, unlobed;

styles 20–35 mm.

cylindric, 30–43 × 12–17 mm, base tapering, not longitudinally ridged.

clavate, 20–35 × 3–5 mm, axillary curved to 45° at maturity, usually inconspicuously longitudinally ribbed.

2.3–4 mm;

coat anticlinal cell walls straight, papillae 4–10 per cell.

30–40, in 2+ rows distal to mid fruit, tan, dark-mottled, irregularly polygonal, surface minutely tessellate 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.

= 22.

= 36.