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jointed charlock

garden radish, wild radish

Habit Plants without fleshy roots. Plants with or without fleshy roots.
Stems

(2)3–8 dm, retrorsely hispid.

(1)4–13 dm.

Basal leaves

3–15(22) × 1–5 cm;

margins lyrate; pinnatifid, or dentate;

lateral lobes 1–4 on each side of midvein; < terminal lobes;

petioles 1–6 cm.

2–60 × 1–20 cm;

margins lyrate; pinnatisect, or dentate;

lateral lobes 1–12 on each side of midvein; to 10 × 5 cm;

petioles 1–30 cm.

Cauline leaves

margins uppermost dentate, subsessile.

margins uppermost undivided, dentate, subsessile.

Inflorescences

fruiting pedicels divaricate or ascending, 7–25 mm.

fruiting pedicels divaricate to ascending, 5–40 mm.

Flowers

sepals 7–11 mm;

petals 15–25 × 4–7 mm, yellow or creamy white;

claws to 1.5 cm;

styles 1–5 cm.

sepals 5.5–10 mm;

petals 15–25 × 3–8 mm, pink, purple or white;

claws to 1.4 cm;

styles 1–4 cm.

Fruits

linear to narrowly lanceolate, valvular segments 1–1.5 mm;

distal segments (1.5)2–11(14) cm × (2.5)3–8(11) mm, longitudinally ribbed, constricted and breaking between seeds.

fusiform, lanceolate; ovoid, or cylindric, valvular segments 1–3.5 mm;

seed-bearing distal segments (1)3–15(25) cm × (5)7–13(15) mm; corky, not ribbed; smooth or rarely slightly constricted, not breaking between seeds.

Seeds

2.5–3.5 × 1.8–2.5 mm.

2.5–4 mm.

2n

=18.

=18.

Raphanus raphanistrum

Raphanus sativus

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Roadsides, disturbed areas, orchards, fields. Flowering Mar–Aug. 0–200 m. CR, Est, Sisk, WV. CA, ID, NV, WA; scattered throughout North America; Asia, Europe. Exotic.

Waste places, fields, gardens, roadsides, disturbed areas, orchards. Flowering Apr–Oct. 0–900 m. Est, Sisk, WV. CA, ID, NV, WA; north to AK, scattered throughout eastern Canada and US; Africa, Asia, Europe. Exotic.

Source Flora of Oregon, volume 2, page 504
Ihsan Al-Shehbaz
Flora of Oregon, volume 2, page 504
Ihsan Al-Shehbaz
Sibling taxa
R. sativus
R. raphanistrum
Web links