Jepson eFlora
Key to families | Table of families and genera

Key to Brassica

View taxon page for Brassica

(For a list of species in Brassica, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Distal cauline leaves sessile, base lobed or clasping

2. Leaves fleshy; petals (1.5)1.8–2.5(3) cm; terminal fruit segment (3)4–11 mm ..... B. oleracea

2' Leaves not fleshy; petals 0.5–1.6 cm; terminal fruit segment (5)9–22 mm

3. Petals 10–16 mm; flowers not overtopping buds ..... B. napus

3' Petals 6–11(13) mm; flowers overtopping buds ..... B. rapa

1' Distal cauline leaves short-petioled to sessile, base tapered

4. Pedicel, fruit erect, ± appressed; pedicel (2)3–5(6) mm ..... B. nigra

4' Pedicel, fruit spreading to ascending, not appressed; pedicel (5)8–25 mm

5. Basal leaves stiff-hairy, persistent, lateral lobe pairs 4–10; petals 4–7 mm, 1.5–2(2.5) mm wide ..... B. tournefortii

5' Basal leaves ± glabrous, deciduous, lateral lobe pairs 1–3(4); petals 7–15 mm, 3–7.5 mm wide

6. Fruit 1.5–3 cm, 1.5–2 mm wide, stalk above receptacle 1–1.5 mm, terminal segment 3–6 mm ..... B. fruticulosa

6' Fruit (2)3–5(6) cm, 2–5 mm wide, stalk above receptacle 0, terminal segment (4)5–10(15) mm ..... B. juncea


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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