Classification
Class
Magnoliopsida Brongn.
Order
Asterales Link
Family
Compositae Giseke
Genus
Helichrysum Mill.
 Nomenclature
Scientific Name:
Helichrysum intermedium G.Simpson, Trans. Roy. Soc. New Zealand 75: 201 (1945)
Synonymy:
  • ≡ Helichrysum selago var. intermedium (G.Simpson) Allan, Fl. New Zealand 1, 720 (1961)
  • = Helichrysum selago var. acutum Cheeseman, Man. New Zealand Fl., ed. 2, 985 (1925) – as Helichrysum selago var. acuta
  • = Helichrysum selago var. tumidum Cheeseman, Man. New Zealand Fl., ed. 2, 986 (1925) – as Helichrysum selago var. tumida
  • = Helichrysum intermedium var. humile G.Simpson, Trans. Roy. Soc. New Zealand 79: 433 (1952)
  • = Helichrysum selago sensu Allan, Fl. New Zealand 1, 719 (1961) var. selago
 Description

Erect or ascending, much-branched shrub, up to  c. 30 cm tall;  branchlets obscured by persistent, imbricate, appressed lvs and tomentum, 2–4 mm diam. (including lvs).  Lvs glabrous on lower, outer surface, densely white-tomentose on upper, inner surface, apetiolate, ovate to oblong-triangular, involute, obtuse to acute or acuminate, cucullate, (2)–2.5–4 × 1–2 mm.  Lvs of seedlings and reversion shoots spreading, densely tomentose on both surfaces or only on upper.  Capitula 3–7 mm diam., solitary, sessile.  Middle involucral bracts usually glabrous, sometimes hairy on lamina, oblong, obtuse to acute, not or slightly radiating, membranous, with pale and usually translucent, rarely whitish lamina, and opaque stereome, 3–4–(6) mm long.  Disc pale or bright yellow.  Achenes with short appressed hairs, cylindric, slightly angled or compressed,  c. 1 mm long.

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

 Biostatus
Indigenous (Endemic)
 Bibliography
Cheeseman, T.F. 1925: Manual of the New Zealand Flora. Edition 2. Government Printer, Wellington.
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. [as Helichrysum selago var. tumidum Cheeseman] [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. [as Helichrysum selago var. tumidum Cheeseman]
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. [Data Deficient; Naturally Uncommon; Not Threatened]
Simpson, G. 1945: Notes on Some New Zealand Plants and Descriptions of New Species (No. 4). Transactions of the Royal Society of New Zealand 75: 187–202.
Simpson, G. 1952: Notes on some New Zealand Plants and Descriptions of New Species (No. 5). Transactions of the Royal Society of New Zealand 79: 419–435.
Ward, J.M.; Breitwieser, I. 1998: Systematics of New Zealand Inuleae (Compositae) — 4. A taxonomic review. New Zealand Journal of Botany 36(2): 165–171.