Flora of North America species comparison

solitary, erect, straight;

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

blade 17.4–196 × 6.7–40.4 mm, widest intersinus distance 2.4–24.6 mm;

proximal oblanceolate, lanceolate, or elliptic, margins pinnate, lobes 14–44, slightly antrorse, 2.5–8.9 mm;

distal lanceolate, base clasping or not, margins pinnate, lobes 6–42, slightly antrorse, 2.1–13.8 mm;

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

persisting;

petiole present or absent;

blade linear-lanceolate, margins deeply to shallowly lobed.

petiole absent;

blade ovate-lanceolate to lanceolate, to 17 cm, margins usually deeply lobed to dentate, rarely entire.

usually green with prominent white base usually conspicuously extending outwards from midvein, rarely green, usually ovate, rarely lanceolate, 3.3–6.2 × 1.5–3.2 mm, width 1/4–7/8 length, not concealing capsule, margins usually 3–7-lobed, rarely entire.

margins entire or pinnate.

sepals 2–5 mm;

petals red to orange proximally, orange to yellow distally, 4–7(–10) mm, apex retuse;

stamens 20+, 3–7 mm, filaments monomorphic, filiform, unlobed;

styles (3–)3.5–6 mm.

petals golden yellow, 23.5–70 × 3–17.3 mm, apex acute, glabrous abaxially;

stamens golden yellow, 5 outermost not petaloid, filaments linear to narrowly elliptic, not clawed, 17.7–55 × 0.5–2(–2.5) mm, with anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 20.4–57 mm.

clavate, 8–28 × 2–4 mm, axillary curved to 70° at maturity, usually inconspicuously longitudinally ribbed.

cup-shaped to cylindric, 10.6–43 × 6.3–11.1 mm, base tapering or rounded, not longitudinally ridged.

15–35, in 2+ rows distal to mid fruit, tan, dark-mottled, 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 or equal to 1/2 as tall as wide at maturity.

coat anticlinal cell walls straight, papillae 4–11 per cell.

= 54.

= 22.