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Classification
Nomenclature
Scientific Name:
Celmisia hookeri Cockayne, Trans. New Zealand Inst. 47: 115 (1914 [1915]) – as Celmisia Hookeri
Description
Woody-based herb with short branchlets arising from a sparsely multicipital stock, usually just below the soil surface; living leaves in rosettes at the tips of branchlets; the whole plant forming a mat of rosettes. Leaf sheaths densely imbricate and compacted into a pseudostem. Leaf lamina (12)-18-30- (40) × (4)-4.5-7-(9) cm., coriaceous, at first erect, tending to become decumbent with age, oblanceolate to elliptic; upper surface obscurely sulcate, veins sometimes impressed, concolorous, yellow- to pale green, usually silky hairy when young but becoming glabrous except along margins; lower surface densely covered with a lustrous tomentum of pale buff or creamy hairs, veins obvious; tip acute; margins entire, not recurved, with a rim of whitish to buff hairs; base obliquely cuneate; petiole ¼-1/3-(½) length of lamina, pale or occasionally deep purple, usually with a thin covering of lustrous pale hairs which are floccose towards the base. Scape purplish, covered in pale tomentum, up to 50 cm long; bracts numerous, erect, linear and sometimes leaflike; monocephalous. Capitula up to 10 cm diam. Phyllaries in several series, linear-subulate, erect, densely brown tomentose. Ray florets up to 80, ligulate, the limb linear-lanceolate, white. Disc florets up to 250, funneliform, yellow; tube with eglandular biseriate hairs. Achene fusiform-cylindric, ribbed, c. 5 mm long, glabrous. Pappus unequal, c. 9 mm long, of 35-40 bristles, n = 54.
[Reproduced from Given (1984, New Zealand J. Bot. 22: 139-158) with permission from The Royal Society of New Zealand.]
Biostatus
Indigenous (Endemic)
Bibliography
Cockayne, L. 1915: Some New Species of New Zealand Flowering-plants. Transactions of the New Zealand Institute 47: 111–118.
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]
Given, D. R. 1984: A taxonomic revision of Celmisia subgenus Pelliculatae section Petiolatae (Compositae -- Astereae). New Zealand Journal of Botany 22: 139–158.
