Classification
 Nomenclature
Scientific Name:
Chaerophyllum colensoi var. delicatulum (Allan) K.F.Chung, Syst. Bot. 32: 678 (2007)
Synonymy:
  • Oreomyrrhis colensoi var. delicatula Allan, Fl. New Zealand 1, 461 (1961)
 Description

Tufted herb up to c. 5 cm. tall. Lvs on filiform petioles up to c. 1 cm. long. Lamina narrow-oblong in outline, ± 2 cm. long. Pinnules rather distant, 2–3 × 1–2 mm., deeply toothed to entire. Peduncles nearly filiform, up to c. 25 mm. long. Umbels with c. 5 filiform rays up to ± 1 cm. long. Fr glab., hardly 2 mm. long.

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

 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.; 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. [as Oreomyrrhis colensoi var. delicatula Allan]
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. [Nationally Endangered]
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. [Nationally Critical]