Flora of North America species comparison

several from base, erect or lateral decumbent, (unbranched), 1–2 dm.

several from base, ± erect, exceeding basal rosette by ± 0.5 dm.

(petiole usually winged);

blade broadly oblanceolate, 3–8 cm, margins usually dentate or pinnatifid, rarely subentire, (terminal lobe acute or obtuse, not rounded).

(forming a strong rosette; long-petiolate);

blade oblanceolate to ovate or orbicular, (1.5–)2–4(–8) cm, (base usually abruptly tapering to petiole), margins entire.

blade spatulate to linear-oblanceolate, 1–3 cm, margins usually entire, rarely toothed, (apex acute).

blade oblanceolate, 1–2 cm, margin entire, (apex acute).

loose (and greatly elongated in fruit) to congested.

congested, (greatly exceeding leaves).

sepals linear-oblong, 5–7 mm;

petals spatulate, 9–11 mm.

sepals often keeled, 6–8 mm;

petals spatulate, 8–10 mm.

(recurved), 6–15 mm.

(spreading, straight or slightly curved), 7–11 mm.

(usually pendent on arching pedicels, less frequently widely divergent), irregular in shape, (base obtuse or slightly cordate, apex deeply and broadly notched), not strongly inflated, 8–11 × 8–12 mm, (papery);

valves retaining seeds after dehiscence;

replum linear-oblong, constricted, 2.5–4 mm, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style 5–8 mm.

didymous, highly inflated, 8–22 × 10–25 mm, (papery, basal and apical sinuses deep);

valves (retaining seeds after dehiscence), densely pubescent, trichomes appressed;

replum linear to oblong, as wide as or wider than fruit;

ovules 8 per ovary;

style 7–9 mm.

flattened.

flattened.

= 16.