Classification
 Nomenclature
Scientific Name:
Homalanthus polyandrus (Müll.Arg.) G.Nicholson, Illust. Dict. Gard. 2, 149 (1885)
Synonymy:
  • Carumbium polyandrum Müll.Arg., Flora 47: 434 (1864)
  • = Carumbium polyandrum Hook.f., Handb. New Zealand Fl. 248 (1864) nom. inval.
 Description

Glabrous tree, 3–9 m high. Twigs rounded, slightly ribbed. Lvs broadly ovate, truncate to cordate at base, rarely perfoliate, acute at apex, (3)–5–15–(20) cm long, usually turning red in cooler part of year; seedling lvs broadly ovate, truncate or cordate at base, sometimes perfoliate; petioles > or ± = blade; stipules soon deciduous. Racemes up to 17 cm long, usually with few solitary long-pedicellate ♀ fls below or at base and many solitary short-pedicellate ♂ fls above (racemes occasionally unisexual); each fl. subtended by a bract and 2 prominent glands at the base of the pedicel. ♂ fls: stamens c. 30–35; perianth segments 1. ♀ fls: ovary 3-celled; styles 3. Fr. ± smooth, 3-angled, reddish, 10–12 mm diam.

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

 Biostatus
Indigenous (Endemic)
 Phenology

Fruiting: Jan.–Dec.

 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]
Hooker, J.D. 1864: Handbook of the New Zealand Flora: a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, Campbell's and Macquarie's Islands. Part I. Reeve, London.
Mabberley, D.J. 2018: A note on the chestnut vine and Séraphin Mottet’s ‘Dictionnaire Pratique d’Horticulture et Jardinage’ (1892–1899). Blumea 62: 240–244.
Müller Argoviensis, J. 1864 (3. September): Neue Euphorbiaceen des Herbarium Hooker in Kew, auszugsweise vorläufig mitgeteilt aus dem Manuscript für De Candolle's Prodromus. Flora, oder Allgemeine Botanische Zeitung 47(28): 433.
Nicholson, G. 1885–1886: The Illustrated Dictionary of Gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists. Vol. 2. Upcott Gill, London.