Flora of North America species comparison

solitary or multiple, erect, straight;

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

blade 21–44.4 × 5.9–11.2 mm, widest intersinus distance 1.6–3.4 mm;

proximal oblanceolate to elliptic, margins pinnate, lobes 6–14, slightly antrorse, 2.4–3.9 mm;

distal oblanceolate, elliptic, or lanceolate, base not clasping, margins pinnate, lobes 4–12, slightly antrorse, 1.8–3.9 mm;

abaxial surface with simple grappling-hook and complex grappling-hook 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.

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 light to golden yellow, 11.7–16.6 × 3.8–4.8 mm, apex rounded, glabrous abaxially;

stamens light to golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 10.4–14.6 × 2–3.8 mm, usually without, rarely with, anthers, second whorl with anthers;

anthers twisted or straight after dehiscence, epidermis papillate or not;

styles 6.8–9 mm.

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

cup-shaped, 7–11.9 × 5.7–7.3 mm, length to 2 times diam., 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, papillae 38–45 per cell.

= 18.

= 20.