Classification
Class
Magnoliopsida Brongn.
Order
Lamiales Bromhead
Family
Tetrachondraceae
Genus
Tetrachondra Petrie ex Oliv.
 Nomenclature
Scientific Name:
Tetrachondra hamiltonii Petrie ex Oliv.
 Description

Herb forming broad low patches, with slender branching stems rooting at nodes. Lvs with flat connate petioles c. 1 mm. long; lamina broad-ovate to obovate-oblong, ± minutely ciliolate, ± 2 × 2 mm., rather fleshy, obscurely gland-dotted. Calyx-lobes minute, ovate-triangular; corolla-lobes obovate-oblong, pubescent. Nutlets brown, hardly 1 mm. long, densely setulose; endosperm cop.

[From: Allan (1961) Flora of New Zealand. Volume 1.]

 Biostatus
Indigenous (Endemic)
 Bibliography
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [Declining]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76.
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Nationally Vulnerable]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [Data Deficient]
Petrie, D. 1893 ("1892"): Description of a New Genus and of New Species of Native Plants, etc. Transactions of the New Zealand Institute 25: 269–275.