Subordinate Taxa
Scientific Name:
Blackstonia Huds., Fl. Angl. (Hudson) 146 (1762)

Glabrous, erect, annual herbs. Lvs sessile; lf pairs distant along stem. Cymes terminal, several-flowered, occasionally fls solitary. Calyx deeply divided into 6–12 linear lobes. Corolla rotate; lobes 6–12, > tube, yellow. Anthers basifixed, oblong to linear, not or slightly twisted spirally after dehiscence. Style filiform, caducous; stigma deeply 2-lobed. Capsule ovoid to ellipsoid; valve margins not intrusive. Seeds numerous, minute.

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

Number of species in New Zealand within Blackstonia Huds.
Exotic: Fully Naturalised1
Hudson, W. 1762: Flora Anglica. Edition 1. London.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.