Flora of North America species comparison

few from base, erect with outer usually decumbent, 1–3.5(–5) dm.

several from base, erect or decumbent and straggling, (branched distally, branches usually filiform), to 5 dm.

(erect);

blade narrowly lanceolate to linear or (outer) oblanceolate, (1–)2–6(–9) cm, margins usually entire, rarely shallowly dentate, (inner involute, outer usually flat, base usually with some simple trichomes).

blade obovate or rhombic to broadly elliptic, 1–4.5(–6.5) cm, margins entire or lyrate-pinnatifid.

blade narrowly oblanceolate to linear, (1–)2–4(–8) cm, margins flat or involute.

(proximal petiolate, distal sessile);

blade rhombic or obovate to elliptic, 0.5–2(–3) cm, margins entire or sinuate to remotely toothed.

compact, (elongated and loose in fruit, densely-flowered).

loose.

sepals oblong to broadly elliptic, 4–7(–8) mm, (lateral pair subsaccate, median pair cucullate);

petals oblanceolate or obovate, (5–)6.5–9.5(–11) mm, (claw undifferentiated from blade, or blade gradually narrowed to claw).

sepals elliptic or ovate, 2.5–5.5 mm, (median pair thickened apically, cucullate);

petals (yellow to orange-yellow), obovate to cuneate, 4–7 mm, (apex sometimes retuse).

(usually recurved), (5–)10–20(–25) mm.

(recurved in age), 5–10(–15) mm, (slender).

subglobose or obovoid, usually inflated, sometimes slightly compressed, (3–)4–6 mm;

valves densely pubescent, trichomes spreading, usually pubescent inside, trichomes appressed, sessile;

ovules (4–)8–12(–16) per ovary;

style 3–4.5(–6.5) mm.

globose or subglobose, not or slightly inflated, (2–)3–5(–7) mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules (4–)8–16(–20) per ovary;

style (1–5–)2–4.5 mm.

slightly flattened.

flattened.

= 10, 20, 30.

= 10.