Flora of North America species comparison

decumbent, branched basally and distally, (0.5–)1–2.5 dm.

(of sterile shoots) sessile;

blade linear-oblanceolate, 1–3(–5) cm × 2–5 mm.

(of flowering shoots) similar to basal, blade smaller, margins entire.

(sometimes absent), petiolate or sessile;

blade base not auriculate, margins usually entire, sometimes dentate or lobed.

simple or absent.

slightly elongated in fruit.

ebracteate, usually elongated in fruit.

sepals oblong or ovate, 2–4 mm;

petals white or sometimes pink, abaxial pair 5–13 × 2–7 mm, adaxial pair 3–6 × 1–3 mm.

usually zygomorphic, rarely actinomorphic;

sepals erect, ascending, or spreading, lateral pair not saccate basally;

petals white, pink, or purple, claw present, often distinct;

filaments not or rarely appendaged;

pollen 3-colpate.

divaricate-ascending, 4–11 mm.

suborbicular to broadly ovate, 6–8 × 5–6 mm, apically notched;

valves extending into subacute wing;

style 1–3 mm, exserted beyond apical notch.

silicles, dehiscent, unsegmented, angustiseptate;

ovules 2 or 4 per ovary;

style usually distinct (sometimes absent in Teesdalia);

stigma entire or 2-lobed.

narrowly winged, 2–3 mm.

usually aseriate, rarely uniseriate;

cotyledons accumbent.

= 22.