Flora of North America species comparison

multiple, erect, zigzag or straight;

branches distal or along entire stem, distal longest or all ± equal, antrorse, upcurved; hairy.

blade 17–94 × 12–32 mm, widest intersinus distance 9.5–29 mm;

proximal broadly spatulate to elliptic, margins serrate, teeth 6–12, slightly antrorse or perpendicular to leaf axis, 0.4–1.5 mm;

distal broadly spatulate, elliptic, or obovate, base not clasping, margins serrate, teeth 8–10, slightly antrorse or perpendicular to leaf axis, 1–3.6 mm;

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

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 to light yellow, 9.4–17.4(–20) × 1.7–4.3 mm, apex acute to rounded, glabrous abaxially;

stamens white to light yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 8.5–18 × 1–1.3(–2.9) mm, without anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis papillate;

styles 5.8–9 mm.

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

cup-shaped, 4.9–10.3 × 4.6–8.6 mm, base rounded, 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 straight to slightly wavy, papillae 8–14 per cell.

= 18.