Class
Family
Genus
Classification
Nomenclature
Scientific Name:
Ranunculus pachyrrhizus Hook.f., Handb. New Zealand Fl. 8 (1864)
Description
Perennial up to 4 cm tall; rosettes tufted at tips of a stout branching rhizome which is often exposed on ground surface. Lvs 1–2-ternatifid, fleshy, softly hairy, 1.5–3 cm long. Scapes 1-flowered, hairy. Fls 1.5–2.5 cm diam. Sepals spreading, hairy. Petals 8–15, yellow, linear-obovate; nectaries 1–(3), 2–4 mm from petal base, shallow, naked. Receptacle hairy. Achenes (50)–60–80, turgid, glabrous or sparsely hairy; body c. 1 mm long; beak stout, straight, c. 1 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Indigenous (Endemic)
Phenology
Flowering: Dec.–Apr.; Fruiting: Jan.–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]
Garnock-Jones, P.J. 1990: Typification of Ranunculus names in New Zealand. New Zealand Journal of Botany 28: 115–123.
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.
