Classification
Class
Magnoliopsida Brongn.
Order
Brassicales Bromhead
Family
Cruciferae
Genus
Pachycladon Hook.f.
 Nomenclature
Scientific Name:
Pachycladon fastigiatum (Hook.f.) Heenan & A.D.Mitch. in Heenan et al., New Zealand J. Bot. 40: 557 (2002) – as fastigiata
Synonymy:
  • ≡ Arabis fastigiata Hook.f., Bot. Antarct. Voy. II (Fl. Nov.-Zel.) Part II, 324 (1855)
  • ≡ Cardamine fastigiata (Hook.f.) Hook.f., Handb. New Zealand Fl. 13 (1864)
  • ≡ Nasturtium fastigiatum (Hook.f.) Cheeseman, Trans. & Proc. New Zealand Inst. 43: 179 (1910 [1911])
  • ≡ Cheesemania fastigiata (Hook.f.) O.E.Schulz, Notizbl. Bot. Gart. Berlin-Dahlem 10: 552 (1929)
  • = Pachycladon elongatum Buchanan, Trans. & Proc. New Zealand Inst. 19: 216 (1886 [1887]) – as elongata
  • = Notothlaspi hookeri Buchanan, Trans. & Proc. New Zealand Inst. 20: 255, t. 13 (1887 [1888])
 Description

Stock stout up to 1·8 cm. diam. with deeply descending taproot, crowned by dense rosette of basal lvs. Radical lvs up to c. 7 cm. long, obovate-spathulate to linear-spathulate, narrowed into flat petiole, apex acute to obtuse, coarsely irregularly inciso-serrate, coriac., glab. to sparsely clad in simple long hairs. Cauline lvs smaller, narrower, upper- most subentire. Infl. of few to many simple or branched stems, forming rounded or elongate masses up to 3 dm. or more tall; fls ∞ in the racemes, pedicels slender, ascending. Sepals c. 4 mm. long, narrow- oblong; petals white, ± 6–8 mm. long, narrow-spathulate, long-clawed. Siliques 4 cm. or more long, arcuate to straight, c. 1·5–2 mm. wide; style slender, c. 1 mm. long. Seeds 1–1·5 mm. long, compressed, reddish brown.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Cheesemania fastigiata (Hook.f.) O.E.Schulz]

 Biostatus
Indigenous (Endemic)
 Bibliography
Buchanan, J. 1887 ("1886"): On some New Native Plants. Transactions and Proceedings of the New Zealand Institute 19: 213–216.
Buchanan, J. 1888 ("1887"): Botanical Notes. Transactions and Proceedings of the New Zealand Institute 20: 255.
Cheeseman, T. F. 1911 ("1910"): Contributions to a Fuller Knowledge of the Flora of New Zealand: No. 4. Transactions and Proceedings of the New Zealand Institute 43: 178–186.
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. [Not threatened]
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. [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]
Heenan, P.B.; Mitchell, A.D.; Koch, M. 2002: Molecular systematics of the New Zealand Pachycladon (Brassicaceae) complex: generic circumscription and relationships to Arabidopsis sens. lat. and Arabis sens. lat. New Zealand Journal of Botany 40(4): 543–562.
Hooker, J.D. 1854–1855: 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 II. Flowerless plants. Lovell Reeve, London.
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.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z. [as Arabis fastigiata Hook.f.; Cardamine fastigiata (Hook.f.) Hook.f.; Notothlaspi hookeri Buchanan; Pachycladon elongatum Buchanan]
Schulz, O. E. 1929: Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem 10(n. 96)