Flora of North America species comparison

unbranched or branched distally, 3–10 dm.

branched distally, 5–10 dm.

petiole (winged), (1–)2–10(–17) cm;

blade ± lyrate-pinnatifid to pinnate to pinnatisect, (5–)10–40(–60) cm × 30–100(–200) mm, (margins sinuate-dentate, sometimes ciliate), lobes 2–4(–6) each side, (terminal lobe oblong-obovate, obtuse, large, blade surfaces usually setose).

petiole to 30 cm;

blade oblong or obovate, to 45 cm × 150 mm, (fleshy), blades pinnatifid or margins dentate.

(middle and distal) sessile;

base auriculate to amplexicaul, (margins subentire).

petiolate or sessile;

blade base auriculate or not, margins entire, dentate, serrate, or pinnately lobed.

(distal) sessile;

blade (oblong to lanceolate), base auriculate and amplexicaul, (margins entire).

not paniculately branched, (with open flowers overtopping or equal to buds).

usually ebracteate, often elongated in fruit.

not paniculately branched.

sepals (3–)4–6.5(–8) × 1.5–2 mm;

petals deep yellow to yellow, obovate, 6–11(–13) × (2.5–)3–6(–7) mm, claw 3–7 mm, apex rounded;

filaments 4–6(–7) mm;

anthers 1.5–2 mm.

actinomorphic;

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

petals white, cream, yellow, pink, lilac, lavender, or purple, claw present, often distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

sepals 8–15 × 1.5–2.7 mm;

petals yellow, white, or lemon yellow, ovate or elliptic, (15–)18–25(–30) × (6–)8–12 mm, claw 7–15 mm, apex rounded;

filaments 8–12 mm;

anthers 2.5–4 mm.

ascending to spreading, (5–)10–25(–30) mm.

spreading to ascending, (8–)14–25(–40) mm.

ascending to somewhat spreading, torulose, terete, (2–)3–8(–11) cm × 2–4(–5) mm;

valvular segment with 8–15 seeds per locule, (1.3–)2–5(–7.5) cm, terminal segment seedless, 8–22 mm.

silicles or siliques, dehiscent or indehiscent, usually segmented, usually latiseptate or terete (subterete or 4-angled in Erucastrum) [angustiseptate];

ovules (1–)2–276[–numerous] per ovary;

style usually distinct (absent in Cakile, obscure in Carrichtera, obsolete in Eruca);

stigma entire or strongly 2-lobed (sometimes slightly 2-lobed in Cakile).

spreading to ascending, smooth, ± 4-angled or subterete, (2.5–)5–8(–10) cm × (2.5–)3–4(–5) mm;

valvular segment with 10–20 seeds per locule, (2–)3–7.5(–9) cm, terminal segment usually seedless, rarely 1 or 2-seeded, (conic), (3–)4–10 mm.

black, brown, or reddish, 1.1–2 mm diam.;

seed coat very finely reticulate-lightly alveolate, not mucilaginous when wetted.

biseriate, uniseriate, or aseriate;

cotyledons usually conduplicate, rarely accumbent or incumbent (in Cakile).

brown, 1.7–2.5 mm diam.;

seed coat reticulate, not mucilaginous when wetted.

absent or simple.

= 20.

= 18.