Flora of North America species comparison

with spherical or elongate tuberous thickenings 0.5–2.5 cm.

4-angled, 12–45(–60) cm, glabrous or stipitate-glandular throughout or at least in inflorescence, often densely so.

blades linear to linear-lanceolate or broadly lanceolate, (1.5–)2–10(–15) × 0.2–1.5(–2) cm, margins flat to briefly revolute, ± smooth or granular to serrulate, glabrous or stipitate-glandular.

open cymes, flowers often proliferating with age.

recurved to reflexed from base in fruit, uniformly stipitate-glandular.

sepals lanceolate to narrowly ovate, 3–5.5(–7) × 0.8–2 mm, stipitate-glandular, often densely so;

petals 7–9.5 × 3–4 mm, apex notch 1–2 mm deep, lobes broadly rounded;

anthers 10, purple;

styles 3.5–4.5 mm;

stigmas terminal, 0.1–0.2 mm.

4.5–5 mm.

1–3, reddish brown, broadly elliptic, ± plump, 2–3.4 mm;

tubercles conic to elongate, rounded.

= 96.