Flora of North America species comparison

not persisting.

persisting;

petiole present or absent;

blade lanceolate to linear, margins usually deeply to shallowly lobed, 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).

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

blade lanceolate to linear (proximal leaves), ovate-lanceolate to linear (distal leaves), to 13 cm, margins deeply to shallowly lobed or entire.

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

usually green with prominent white base conspicuously extending outwards from midvein, rarely green, usually obovate, rarely lanceolate, 5.9–9.2 × 1.7–5 mm, width 1/5–2/3 length, not concealing capsule, margins usually 3–7-lobed, lateral lobes usually prominent, rarely entire.

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.

sepals 1–4;

petals orange proximally, yellow distally, 2–6(–8) mm, apex retuse or rounded;

stamens 20–40, 2–7 mm, filaments monomorphic, filiform, unlobed;

styles 1.5–3.5(–6) mm.

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

cylindric or clavate, 6–17(–20) × 2–3 mm, axillary curved to 45° at maturity, usually inconspicuously longitudinally ribbed.

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.

15–35, in 2+ rows distal to mid fruit, tan, moderately to densely 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 1/2 as tall as wide at maturity.

= 36.

= 36.