Classification
 Nomenclature
Scientific Name:
Chaerophyllum colensoi (Hook.f.) K.F.Chung, Syst. Bot. 32: 678 (2007) var. colensoi
Synonymy:
  • Oreomyrrhis colensoi Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 92 (1853) var. colensoi
 Description

Tufted, sts rhizomatous, herb up to c. 3 dm. tall, us. shorter, glab. to densely hairy. Lvs ∞, narrow-oblong in outline, on petioles c. 3 cm. long, sheathing at base. Lflts opp., upper ones rather close-set, ± (4)–5–6 × 5–8 mm., flabellate to broad oblong-ovate, truncate at base; teeth ∞, ± 1 mm. long, rounded triangular, acute. Peduncles slender to rather stout, up to ± 10 cm. long, ± clad in retrorse to patent hairs. Involucral bracts (5)–8–(10), ovate-oblong, up to ± 5 mm. long. Fls subsessile; rays elongating to ± 5 mm. in fr. Fr. glab., narrow-ovate in outline, c. 4 mm. long.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Oreomyrrhis colensoi Hook.f. var. colensoi]

 Biostatus
Indigenous (Endemic)
 Bibliography
Chung, K-F. 2007: Inclusion of the South Pacific alpine genus Oreomyrrhis (Apiaceae) in Chaerophyllum based on nuclear and chloroplast DNA sequences. Systematic Botany 32(3): 671–681.
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]
Hooker, J.D. 1852–1853 ("1853"): The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839–1843, under the command of Captain Sir James Clark Ross. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.
Hooker, J.D. 1867: 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 Macquarrie's Islands. Part II. Reeve, London.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z.