Raphanus raphanistrum

Annuals, roots not fleshy; sparsely to densely pubescent. Stems usually simple from base, (2–)3–8 dm, (retrorsely hispid). Basal leaves: petiole 1–6 cm; blade oblong, obovate, or oblanceolate in outline, lyrate or pinnatifid, sometimes undivided, 3–15(–22) cm × 10–50 mm, margins dentate, apex obtuse or acute; lobes 1–4 each side, oblong or ovate, to 4 cm × 20 mm (smaller than terminal). Cauline leaves (distal) subsessile; blade often undivided. Fruiting pedicels divaricate or ascending, 7–25 mm, (straight). Flowers: sepals 7–11 × 1–2 mm, sparsely pubescent; petals yellow or creamy white (veins dark brown or purple), 15–25 × 4–7 mm, claw to 15 mm; filaments (slender), 7–12 mm; anthers 2–2.5 mm. Fruits cylindrical or narrowly lanceolate; valvular segment 1–1.5 mm; terminal segment (1.5–)2–11(–14) cm × (2.5–)3–8(–11) mm, (base rounded), strongly constricted between seeds (usually breaking), strongly ribbed, beak narrowly conical; style 10–50 mm. Seeds (reddish brown or dark brown to black), oblong or ovoid, 2.5–3.5 × 1.8–2.5 mm. 2n = 18.

3-6 hours of sun per day, with protection from intense mid-day sun

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Raphanus Raphanistrum

Raphanus raphanistrum

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