Flora of North America species comparison

persisting;

petiole present or absent;

blade linear-lanceolate, margins deeply to shallowly lobed.

not persisting.

petiole absent;

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

petiole present (proximal leaves), absent (distal leaves);

blade lanceolate to linear (proximal leaves), ovate to lanceolate (distal leaves), to 6 cm, margins dentate or entire (proximal leaves), entire (distal leaves).

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, ovate to elliptic, 5–8.5 × 2–5 mm, width 2/5–3/5 length, not concealing capsule, margins entire.

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.

sepals 3–5.5 mm;

petals yellow to orange proximally, yellow distally, 8–12 mm, apex rounded;

stamens 20+, 3–8 mm, filaments monomorphic, filiform, unlobed;

styles 7–9 mm.

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

cylindric or clavate, 5–22 × 2–4 mm, axillary curved to 45° at maturity, often prominently longitudinally ribbed.

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.

15–25, in 2+ rows distal to mid fruit, tan, dark-mottled, irregularly polygonal, surface smooth to minutely tessellate under 10x magnification; recurved flap over hilum absent;

seed coat cell outer periclinal wall flat to slightly convex.

= 54.

= 36.