Nomenclature
Scientific Name:
Colobanthus wallii Petrie, Trans. & Proc. New Zealand Inst. 54: 569 (1923)
 Description

Plant forming cushion several cm. across and equally deep; branches up to 5 cm. long and branched, thickly beset with inflated persistent lf-bases. Lvs soft when dry, closely spaced but not us. imbricate; sheath short but obvious; blade linear, 5–10–(15) mm. long, without midrib or thickened margin, suddenly narrowing into very short apiculate tip. Peduncles short. Fls up to 5–(6) mm. long; sepals 4, broad, c. 5 × 2.5 mm., membr. but thickened at mid-base and at subacute or very shortly apiculate tip; stamens = sepals at flowering; capsule valves 4, < sepals. Seeds with low rounded papillae only.

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

 Biostatus
Indigenous (Non-endemic)
 Phenology

Flowering: Nov.–Dec.; Fruiting: Dec.–Apr.

 Bibliography
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. [Not Threatened]
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. [Not Threatened]
Petrie, D. 1923: Descriptions of New Native Flowering Plants. Transactions and Proceedings of the New Zealand Institute 54: 569–572.