Flora of North America species comparison

several from base, usually decumbent to ascending, (arising laterally, unbranched, coarse), 1–2 dm.

simple or few from base, decumbent to ascending, (arising laterally from a tight hemispherical tuft of leaves), to 0.15 dm.

blade pandurate or obovate, 3–6 cm, margins usually deeply and broadly incised, rarely subentire, (apex obtuse).

similar to cauline, (erect, surfaces silvery).

blade oblanceolate to spatulate, similar to basal, (3–6 mm wide), margins entire, (apex often somewhat acute).

(ascending, subsessile);

blade linear-oblanceolate, (0.6–)0.8–1.3(–1.5) cm, margins entire, (apex acute to narrowly obtuse).

congested, (elongated in fruit).

strongly congested, (often sessile or nearly so, lateral to leaves).

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

sepals (loosely erect), narrowly oblong, 3–4 mm;

petals spatulate, 5–6 mm.

(usually curving upward, sigmoid), 6–10 mm.

(erect or ascending, straight to slightly curved), 3–6 mm.

didymous, irregular in shape, somewhat angular, inflated, 5–7 × 6–8 mm, (papery, often rigid, base obtuse or truncate, apical sinus broad, open and deep);

valves (retaining seeds after dehiscence), pubescent, trichomes spreading, loose;

replum oblong, often constricted, as wide as or wider than fruit, apex obtuse;

ovules 4 per ovary;

style 5–7 mm.

ovate, compressed (latiseptate) on margins and apically, 4–5 mm;

valves pubescent, trichomes densely appressed;

ovules 4 per ovary;

style 1–1.5 mm.

flattened.

plump.

= 8, 16.