Scientific Name:
Crotalaria L., Sp. Pl. 714-716 (1753)
Vernacular Name(s):

Herbs or shrubs.  Lvs usually simple or 3–(7)-foliolate, petiolate or subsessile;  leaflets entire;  stipules filiform to foliaceous or 0.  Infl. usually racemose and terminal or lf-opposed;  fls sometimes solitary or in axillary clusters;  bracts small or 0, rarely foliaceous; bracteoles small, rarely 0.  Calyx teeth 5, free or connate with calyx appearing 3–4-toothed.  Corolla usually yellow or yellow-green.  Stamens connate into a split tube; alternate anthers long and basifixed or short and versatile.  Style incurved, bearded above; stigma small.  Pod globose or oblong, usually inflated, dehiscent, 1-many-seeded;  seeds estrophiolate.

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

Number of species in New Zealand within Crotalaria L.
Exotic: Fully Naturalised1
Exotic: Casual1
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.