Classification
Class
Magnoliopsida Brongn.
Order
Saxifragales Bercht. & J.Presl
Family
Haloragaceae
Genus
Haloragis J.R.Forst. & G.Forst.
 Subordinate Taxa
 Nomenclature
Scientific Name:
Haloragis erecta (Banks ex Murray) Oken (1841)
Synonymy:
  • ≡ Cercodia erecta Banks ex Murray (1780)
  • = Haloragis alata Jacq. (1781) nom. illeg.
  • = Cercodia alternifolia A.Cunn., Ann. Nat. Hist. 3: 30 (1839)
Vernacular Name(s):
Shrubby haloragis; Toatoa
 Description

Perennial herb or subshrub. Stems to c. 1 m tall, decumbent to erect, freely branching, 4-angled, glabrous or scabrid. Lvs opposite. Petiole (0.2)–0.5–1.7–(3) cm long. Lamina (1.2)–1.5–7–(9) × (0.3)–0.5–2.5–(3.5) cm, lanceolate to elliptic or oblong-elliptic (), orbicular to broad-ovate (), strongly serrate with teeth to 4 mm long, glabrous or scabridulous; lateral veins obscure; base cuneate to truncate. Dichasia of 3–7 fls; primary bracts ± serrate. Pedicels 0.5–0.6 mm long, to 1 mm at fruiting, deflexed until anthesis. Fls 4-merous, often reddish. Sepals 0.8–1.2 mm long, deltoid, erect, persistent. Petals 1.5–2–(2.5) mm long. Stamens 8. Anthers 1.2–1.7 mm long, oblong, red or yellow, the inner < outer. Ovary 4-celled, ribbed. Stigmas ± pink. Fr. 1.8–3 × 1.5–2.5–(4) mm (including the usually present, variable, deltoid wings), usually ovoid, rugose or smooth between ribs or wings.

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

 Biostatus
Indigenous (Endemic)
Number of subspecific taxa in New Zealand within Haloragis erecta (Banks ex Murray) Oken
CategoryNumber
Indigenous (Endemic)2
Total2
 Phenology

Flowering: Dec.–Feb.

 Bibliography
Cunningham, A. 1839: Florae insularum Novae Zelandiae precursor; or a specimen of the botany of the islands of New Zealand. Annals of Natural History 3: 29–34.
Orchard, A.E. 1975: Taxonomic revisions in the family Haloragaceae. I. The genera Haloragis, Haloragodendron, Glischrocaryon, Meziella and Gonocarpus. Bulletin of the Auckland Institute and Museum 10: 1–299.