Subordinate Taxa
Scientific Name:
Sison L., Sp. Pl. 252 (1753)

Glabrous, biennial herbs.  Lvs 1–2-pinnate;  segments broad.  Umbels compound, pedunculate;  bracts and bracteoles few to numerous, simple.  Petals white or greenish white, regular, with apex deeply notched and inflexed; calyx teeth 0.  Fr. ovoid to subglobose, slightly flattened laterally, not beaked, spineless;  commissure narrow;  ribs 5 per mericarp, equal, slender; vittae solitary in furrows, shorter than fr.

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

Number of species in New Zealand within Sison L.
Exotic: Fully Naturalised1
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.