Classification
Class
Magnoliopsida Brongn.
Order
Rosales Bercht. & J.Presl
Family
Rhamnaceae
Genus
Pomaderris Labill.
 Nomenclature
Scientific Name:
Pomaderris hamiltonii L.B.Moore in Allan, Fl. New Zealand 1, 420 (1961)
Vernacular Name(s):
Kūmarahou; Kūmararaunui; Pale-flowered kumarahou; Pāpapa
 Description

Slender erect shrub to 3 m high. Adult and juvenile lvs petiolate; lamina 20–70 × 10–30 mm, ± elliptic; upper surface glabrous except for scattered simple hairs around sunken midrib; lower surface with fine grey stellate tomentum and scattered simple or large stellate hairs on veins; margins entire, slightly revolute; stipules 4–5 mm long, deciduous. Infl. an open, much-branched, terminal corymb. Calyx reflexed, pale greenish; tube with scattered long, white, simple hairs until after anthesis. Petals cream; limb broad. Anthers oblong. Ovary with stellate hairs at apex, wholly immersed in calyx tube at anthesis, c. 1/2 immersed at fruiting. Fr. cocci opening by opercula occupying c. 1/2 of their inner faces.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Flowering: Sep.–Oct.

 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. [Naturally uncommon]
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. [Naturally Uncommon]
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. [Naturally Uncommon]