Flora of North America species comparison

persisting;

petiole present or absent;

blade linear-lanceolate, margins deeply to shallowly lobed.

petioles present;

blade lanceolate, to 9 cm;

margins shallowly lobed, lobes rounded.

petiole absent;

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

petioles present, rarely absent, present in distalmost leaves;

blade broadly ovate to lanceolate, to 9 cm, base not cordate-clasping, margins dentate to serrate.

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.

green, inconspicuous, not concealing pedicel, ovary, or capsule.

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 white to pale yellow, obovate, 10–40 mm, apex mucronate;

stamens 6–15 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals);

filaments ± monomorphic, linear, most or all distally 2-lobed, lobes 0.1–0.7 mm;

anther stalk longer than or equal to filament lobes;

style 9–13 mm.

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

cylindric to ovoid, 9–18 × 5–8 mm, basal nodding, distal erect.

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.

widest at middle, not grooved;

seed coat anticlinal cell walls straight or wavy.

= 54.

= 20.