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Annual (in warmer regions) to bi-or perennial herb.. Stem erect, often more than 1 m. high, with ascending branches, basally often woody, glabrous.. Leaves fleshy, glabrous, glaucous; basal and lower cauline leaves petioled, lyrate-pinnatipartite with prominent whitish nerves; terminal lobe very large, up to 50 cm. long and 30 cm. broad, rounded at apex, ± cordate at base, entire, undulate, crispy or dentate; lateral lobes 1–5 pairs, small, entire or crenulate; median cauline leaves oblong to obovate, auriculate, obtuse, sinuate; upper leaves slightly clasping to auriculate, linear to oblong, entire.. Racemes paniculate soon elongating, with large flowers on up to 8 mm. long pedicels, which in fruit become up to 20 mm. long and spreading.. Sepals oblong, erect and connivent, ± 10 mm. long.. Petals bright yellow or white, clawed, 15–20 mm. long.. Anthers 2.5–4 mm. long.. Ovules 30–40.. Siliquae linear, ± torulose, sometimes on a gynophore, 50–100 mm. long, ± 5 mm. broad; beak conical to filiform, 5–15 mm. long; valves with a thick midnerve.. Seeds dark brown, globose, 1.5–2 mm. in diameter, with a distinct fine reticulum.
Biennials or perennials; (with slender taproot or woody caudex, becoming suffrutescent and covered with conspicuous leaf scars); (glaucous), glabrous. Stems branched distally, 5-10 dm. Basal leaves: petiole to 30 cm; blade oblong or obovate, to 45 cm × 150 mm, (fleshy), blades pinnatifid or margins dentate. Cauline leaves (distal) sessile; blade (oblong to lanceolate), base auriculate and amplexicaul, (margins entire). Racemes not paniculately branched. Fruiting pedicels spreading to ascending, (8-)14-25(-40) mm. Flowers: 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. Fruits 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. Seeds brown, 1.7-2.5 mm diam.; seed coat reticulate, not mucilaginous when wetted. 2n = 18.
Biennial to perennial herb usually with lax rosette. Stems erect or ascending, glabrous, 1-2-(3) m tall, becoming woody below with prominent lf base scars. Lvs all glabrous and glaucous. Lower lvs petiolate, obovate or elliptic, 10-30 × 5-15 cm, not lobed or lyrate-pinnatifid with large terminal and 1-(2) pairs of small lateral lobes; margins sinuate, toothed. Upper lvs less divided, sessile, amplexicaul, elliptic-oblong or narrowly triangular, entire or toothed, 2-10 × 0.7-2 cm. Racemes to 60 cm long; open fls well below level of buds. Sepals narrow-oblong, (7)-8-11 × (1.5)-2-3 mm. Petals pale yellow or white, 15-25 × 5-8 mm. All stamens erect. Silique terete, glabrous, linear-lanceolate, slightly constricted between seeds, 50-60-(80) × 3-4 mm; gynophore 0; valves with prominent median and weaker lateral network of veins; beak conic, usually seedless, 5-10-(15) mm long. Seeds dark brown with greyish bloom, c. 2 mm diam.
Biennial or perennial, glabrous; taproot strong; stem to 1 (occasionally to 3) m tall, becoming woody, with conspicuous basal leaf scars. Leaves glaucous, more or less fleshy; lower leaves to 40 cm long, broad and rounded, petiolate, sinuate to crenate (occasionally lyrate-pinnatifid); upper leaves oblong, entire, sessile, to ⅓ stem-clasping. Inflorescence an extended raceme. Sepals erect, 6–12 mm long. Petals 12–25 mm long, yellow. Stamens erect. Ovary sessile. Siliqua 5–10 cm long, 2–5 mm wide, cylindrical; beak seedless, conical, 5–10 mm long. Seeds 8–16 per locule, spherical, 2–4 mm wide.
A cabbage family herb. It is an annual plant. It grows 1.2 m high and spreads 1 m wide. The stem is erect and woody and branching. The lower leaves are large and rounded and have lobes. The leaves on the stem are narrow and sword shaped. The flowers are creamy yellow and have 4 petals.
A cabbage family herb. The head is like a cauliflower except that it is green like broccoli.
A cabbage family herb. It has a swollen kohlrabi-like stem and a broccoli-like head.
A cabbage family herb. It has small flowers on long stalks.
