Classification
Class
Magnoliopsida Brongn.
Order
Brassicales Bromhead
Family
Cruciferae
Genus
Cardamine L.
 Nomenclature
Scientific Name:
Cardamine depressa Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 6, t. 3 (1844) subsp. depressa
Etymology:
Etymology: The specific epithet depressa (Latin: flattened) probably refers to the low and compact growth habit.
 Description

Leaf lamina surface and margin glabrous, petiole usually glabrous or occasionally sparsely hairy on the lower half; hairs spreading, up to 0.4 mm long. Sepals glabrous.

 Distribution

Auckland Islands.

Cardamine depressa subsp. depressa is known from Auckland Islands, including Adams Island and Auckland Island.

Cardamine depressa subsp. depressa distribution map based on databased records at AK, CHR, OTA & WELT. Image: K.Boardman © Landcare Research 2018 CC BY 4.0
Cardamine depressa subsp. depressa distribution map based on databased records at AK, CHR, OTA & WELT. Image: K.Boardman © Landcare Research 2018 CC BY 4.0
 Habitat

Cardamine depressa subsp. depressa occurs among coastal herbfield and rocks and along stream margins.

 Biostatus
Indigenous (Endemic)

Cardamine depressa subsp. depressa is assessed as having a conservation status of At Risk–Naturally Uncommon, with the qualifiers Data Poor, Island Endemic and One Location (de Lange et al. 2018). The qualifier Data Poor is applied because information on the number and size of the populations is needed.

 Phenology

Flowering November–January; Fruiting November–February.

 Bibliography
de Lange, P.J.; Gosden, J.; Courtney, S.P.; Fergus, A.J.; Barkla, J.W.; Beadel, S.M.; Champion, P.D., Hindmarsh-Walls, R.; Makan, T.; Michel, P. 2024: Conservation status of vascular plants in Aotearoa New Zealand, 2023. New Zealand Threat Classification Series. No. 43. [Naturally uncommon]
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. [as Cardamine depressa Hook.f. var. depressa] [Not Threatened]
Heenan, P.B. 2017: A taxonomic revision of Cardamine L. (Brassicaceae) in New Zealand. Phytotaxa 330(1): 001–154.
Heenan, P.B. 2020: Cardamine. In: Wilton, A.D. (ed.) Flora of New Zealand - Seed Plants. Fascicle 6. Manaaki Whenua Press, Lincoln.
Hooker, J.D. 1844–1845: 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. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Kirk,T. 1899: The Students' Flora of New Zealand and the Outlying Islands. Government Printer, Wellington, N.Z. [as Cardamine depressa Hook.f. var. depressa]