Classification
 Subordinate Taxa
 Nomenclature
Scientific Name:
Rapistrum Crantz, Cl. Crucif. Emend. 105 (1769)
 Description

Annual, biennial or perennial taprooted herbs. Hairs simple. Stems erect, leafy. Lower lvs pinnatifid or pinnate, rarely not lobed; upper lvs usually simple. Racemes ebracteate. Sepals erecto-patent, the inner saccate. Petals yellow, veined. Stamens 6, without appendages. Lateral nectaries 2, united, inside bases of lateral stamens; median nectaries 2, ligulate, outside bases of median stamens. Stigma sessile, capitate or weakly 2-lobed. Silicle indehiscent, composed of 2 segments, woody within and corky without; lower segment cylindric or barrel-shaped, 0–2-seeded; upper segment larger, ovoid to turbinate, usually 1-seeded, falling when ripe. Seeds brown, ovoid, not winged.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
Number of species in New Zealand within Rapistrum Crantz
CategoryNumber
Exotic: Fully Naturalised1
Total1
 Bibliography
Crantz, H.J.N. von 1769: Classis Cruciformium Emendata.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.