Common name: Turnip Weed, Giant Mustard
Rapistrum rugosum (L.) All. APNI*
Description: Annual or biennial, mostly 15–60 cm high, branches ± glaucous, often bristly.
Lower leaves to 25 cm long, lyrate-pinnatisect with usually 3 pairs of irregularly toothed lobes, petiolate; upper leaves reducing.
Sepals c. 3 mm long. Petals 5–10 mm long, yellow, dark-veined. Silicula 5–10 mm long, breaking between the 2 segments, ± erect; pedicel 2–5 mm long; lower segment c. 3 mm long, 1.5 mm wide, 0–2-seeded, if seeds present then small; upper segment 3–6 mm long, 3–4 mm wide with 1 large seed, ribbed, sometimes bristly.
Distribution and occurrence: Native of Eur.
NSW subdivisions: *NC, *CC, *NT, *CT, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP, *SFWP
Other Australian states: *Qld *Vic. *Tas.
Text by L. Retter & G. J. Harden
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.