Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Callitriche antarctica Engelm. ex Hegelm. (1867)
Description
Monoecious herb, palustral or ± terrestrial on wet ground. Stems thick, creeping below with ascending branches to 10 cm high. Lvs spathulate, thick, 2.5–10 × 1.5–4.8 mm, entire, 3-nerved, sometimes with free veins; base scarious and connate. Fls solitary, ♂ in upper axils, ♀ in lower, ebracteate or bracts falling early. Filaments to 1.3 cm long, tapering from broad base. Style 1.4–3.2 mm long, persistent. Fr. 0.8–1.1 × 1.1–1.5 mm, not keeled or winged; faces slightly convex; commissural groove open and shallow.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Indigenous (Non-endemic)
Phenology
Flowering: Oct.–Feb.
Bibliography
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.; 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]
Lansdown, R.V. 2022: The genus Callitriche (Plantaginaceae, Callitricheae) in Australasia and Oceania. Phytotaxa 547(3): 243–284.
