Flora of North America species comparison

several from base, ascending to erect (arising laterally, unbranched), 0.5–1(–2.5) dm.

several from base, erect or somewhat decumbent, (unbranched), 1–3.5 dm.

(ascending to erect, petiole slender);

blade oblanceolate to obovate, 3–8 cm, (base tapering to petiole), margins incised or dentate with broad teeth, (apex acute to obtuse).

(petiole slender, usually incised or with broad teeth along petiole);

blade obovate, 4–6 cm, margins entire.

blade linear-oblanceolate to oblanceolate, 1–2 cm, margins entire.

blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute).

dense (elongated or not in fruit, 2.5–8.5(–10) cm).

somewhat loose, (5–15 cm).

sepals (greenish yellow), lanceolate, 6–8.5 mm, (saccate and cucullate);

petals spatulate to narrowly oblanceolate, 7–10(–12) mm.

sepals oblong, 5–7 mm;

petals (lemon yellow), spatulate, 9–12 mm.

(divaricate, straight), 5–11(–15) mm, (rigid, fruits not pendent on arching pedicels).

(spreading or ascending, curved, fruits not pendent), 10–20 mm.

didymous, sides curved and angular, highly inflated, 6–16 × 8–12 mm, (papery, apical sinus broad and concave);

valves (retaining seeds after dehiscence, distinctly 2-keeled on side away from replum), pubescent, trichomes appressed;

replum linear to linear-lanceolate, as wide as or wider than fruit, apex acute;

ovules 4–8 per ovary;

style 2–9 mm, (usually not exceeding sinus).

didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open);

valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading;

replum broadly lanceolate, as wide as or wider than fruit, apex acute;

ovules 8 per ovary;

style 1–2 mm.

slightly flattened, (ovate).

flattened.

= 8.