Flora of North America species comparison

solitary, decumbent to erect, straight;

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

blade 32–86 × 5.8–15 mm, widest intersinus distance 1.7–5.2(–7.1) mm;

proximal oblanceolate to elliptic, margins dentate to pinnate, teeth or lobes 6–12, perpendicular to leaf axis, 1.2–6.3 mm;

distal elliptic to lanceolate, base not clasping, margins dentate to pinnate, teeth or lobes 4–10, perpendicular to leaf axis, 1.8–5.2 mm;

abaxial surface with simple grappling-hook, complex grappling-hook, and occasionally needlelike trichomes, largest trichomes without pearly white bases, adaxial surface with simple grappling-hook and needlelike trichomes.

not persisting.

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).

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

margins entire or toothed.

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.

petals golden yellow, 14.2–19.8 × 3.8–6.5 mm, apex acute to rounded, glabrous abaxially;

stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 12–18.1 × 2.7–4.8 mm, with or without anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 8.3–11.1 mm.

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

cylindric, 12.2–18 × 4.3–8.3 mm, base tapering, not longitudinally ridged.

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.

coat anticlinal cell walls wavy, papillae 7–17 per cell.

= 36.

= 20.