Flora of North America species comparison

solitary (or multiple as wound response), erect, straight;

branches distal, distal longest, antrorse, straight; hairy.

blade 28–70 × 5.8–17.2 mm, widest intersinus distance 3.4–11.4 mm;

proximal oblanceolate, lanceolate, or elliptic, margins dentate to pinnate, teeth or lobes 10–20, perpendicular to leaf axis, 0.9–3.1 mm;

distal lanceolate, base usually not clasping, rarely clasping, margins usually dentate, occasionally serrate, teeth 8–18, usually perpendicular to leaf axis, occasionally slightly antrorse, 0.6–5.4 mm;

abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes.

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.

margins entire or toothed.

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 white, 14.7–22(–24.4) × 1.9–4.4 mm, apex acute, glabrous abaxially;

stamens white, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 13.3–23.1 × 1.3–3.1(–4.4) mm, without anthers, second whorl without anthers;

anthers straight after dehiscence, epidermis smooth;

styles 7.6–12.9 mm.

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

cup-shaped to cylindric, 10.2–20.1 × 6.7–9.6 mm, base rounded to occasionally tapering, not longitudinally ridged.

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.

coat anticlinal cell walls wavy, papillae 3–8 per cell.

= 18.

= 20.