Flora of North America species comparison

simple to several from base, erect, often outer decumbent, (unbranched or branched distally), 1–7 dm.

simple from base, prostrate to decumbent, (unbranched, from within and below leaf clusters, slender), 0.2–0.8 dm.

blade oblanceolate to elliptic, 1.5–8(–11.5) cm, margins lyrate-pinnatifid to dentate or repand, (abaxial surface densely pubescent, adaxial sparsely pubescent).

(tufted, erect or ascending, silvery);

blade linear to oblanceolate or (outer) oblanceolate to obovate or rhombic, 1.5–3.3 cm, (base sometimes subhastate), margins entire or dentate, (often involute).

(proximal petiolate, distal sessile);

blade oblanceolate to oblong, 1–7 cm, margins dentate to repand.

blade nearly linear, to 1.5 cm, margins entire.

loose, (elongated).

dense, (subcorymbose).

sepals elliptic or broadly ovate, 3–6.5(–8) mm, (median pair slightly thickened apically, cucullate);

petals (yellow to orange), broadly obovate, 6–11 mm, (narrowing gradually to short claw).

sepals (yellow-green), lanceolate, (2.5–)3.5–4.5 mm;

petals spatulate to oblanceolate, 4–6.5 mm.

(usually divaricate-spreading, sometimes horizontal or shallowly recurved, straight or slightly curved), (7–)10–20(–25) mm, (slender or stout).

(recurved), 5–8 mm.

(stipitate or subsessile, gynophore 1–2 mm), globose, subglobose, obpyriform, or obovoid, not or slightly inflated, 3–9 mm;

valves (not retaining seeds after dehiscence), glabrous throughout or sparsely pubescent inside;

replum as wide as or wider than fruit;

ovules 8–20(–28) per ovary;

style 2–4.5 mm.

(usually pendent), obdeltate, compressed (angustiseptate), 2–4 mm, (wider than long, base tapered to acute angle, apex truncate with inflated shoulders);

valves densely pubescent; (septum obsolete or with a narrow fringe inside of replum, funicles attached close to replum apex);

ovules 4 per ovary;

style 2–4 mm, (slender).

slightly flattened.

plump, (mucilaginous when wetted).