Flora of North America species comparison

few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm.

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

(tufted, erect);

blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute).

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

similar to basal.

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

relatively dense.

congested, (elongated in fruit).

sepals (greenish yellow), elliptic, 3.5–7 mm;

petals spatulate, 5–6 mm, (not clawed).

sepals oblong, 6–8 mm;

petals spatulate, to 10 mm.

(ascending, curved or sigmoid), 2–10 mm.

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

(erect), ovoid (or longer than broad), usually inflated, 4–5 mm, (apex acute, slightly flattened);

valves pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 2–4 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.

flattened, (mucilaginous).

flattened.

= 10, 20.

= 8, 16.