Flora of North America species comparison

(0.5–)1–4 dm, woody proximally, densely to moderately pubescent.

(few to several from base), erect to ascending, branched distally.

cauline;

not rosulate; petiolate or sessile;

blade (often fleshy), margins entire, dentate, or repand, sometimes revolute.

sessile or nearly so;

blade linear to linear-oblanceolate, 1.5–7 cm × 1–4.5 mm, (fleshy), base attenuate, margins usually entire, rarely dentate, apex acute to obtuse.

to 3.5 dm in fruit.

(corymbose, several-flowered, lax).

sepals broadly lanceolate to ovate, 4.8–7.5 × 1–2 mm;

petals obovate to spatulate, 8–12(–13) × 5–8.5 mm, (often flattened), claw to 2 mm, (margin dentate);

filaments 4–6 mm;

anthers 2.5–3.5 mm.

sepals spreading to reflexed, oblong or lanceolate to ovate [linear];

petals usually white (often fading lavender), rarely lavender, obovate to spatulate [broadly elliptic], (longer than sepals), claw well-differentiated from blade, (dilated and denticulate basally);

stamens slightly tetradynamous, (somewhat spreading);

anthers linear, (base sagittate, apex obtuse);

nectar glands confluent, subtending bases of stamens.

0.6–1.4 cm, densely pubescent.

divaricate to ascending, or, rarely, recurved, slender.

terete to slightly angustiseptate, 0.9–3 cm × 1–2.2 mm;

ovules 30–80 per ovary;

style 0.9–4 mm.

siliques or silicles, sessile, linear to oblong [obovoid], smooth [torulose], straight or curved, angustiseptate, terete, [or latiseptate];

valves each with distinct midvein, pubescent [glabrous];

replum rounded;

septum complete;

ovules 30–100 per ovary;

style distinct;

stigma conical, 2-lobed (lobes connivent, decurrent).

0.5–0.7 × 0.4–0.5 mm.

uniseriate or biseriate, plump, not winged, oblong [elliptic];

seed coat mucilaginous when wetted;

cotyledons incumbent.

= 9, 10

= 18, 19, 20, 34, 36.