Flora of North America species comparison

several from base, usually somewhat decumbent, (unbranched), (0.4–)0.5–2 dm.

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

(petiole slender, often narrowly winged);

blade obovate to orbicular or rhombic-orbicular, 2–9 cm, (base abruptly narrowed to petiole), margins usually entire, rarely with few scattered teeth, (apex rounded or obtuse, sometimes with apical mucro).

(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 oblanceolate, 1–3 cm, margins entire, (apex usually obtuse).

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

loose, (elongated in fruit).

congested, (greatly exceeding leaves).

sepals linear-oblong, 4–7.5 mm;

petals spatulate, 6–11 mm.

sepals often keeled, 6–8 mm;

petals spatulate, 8–10 mm.

(divaricate, slightly sigmoid or nearly straight), 6–12 mm.

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

(erect), didymous, suborbicular, inflated, (4–)6–15 × (4–)8–20 mm, (papery, basal and apical sinuses similar, basal rarely shallower, apical deep, narrow and closed or nearly so);

valves retaining seeds after dehiscence, pubescent, trichomes appressed;

replum oblong, constricted, 2–3.5 mm, narrower than fruit, apex obtuse;

ovules (2 or) 4 per ovary;

style 4–6(–9) 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.

(dark brown), flattened, (2–3 mm).

flattened.

= 10, 16, 24.

= 16.