Chenopodium ambiguum R.Br.
C. glaucum A. Cunn. in Ann. nat. Hist. 1, 1838, 456 and later authors non L. Sp. Pl. 1753, 220.
Prostrate branching herb with diam. up to 6 dm., with stout deeply descending main root; stems glab., ridged, with ∞ branches. Lvs on flattened petioles (2)-5-10-(15) mm. long; lamina (2)-4-10-(20) × (2)-3-5-(12) mm., thick, fleshy, glab. and dark green to reddish above, glaucous to white below, with appressed tomentum; obovate-cuneate to rhomboid to oblong, distantly to rather closely dentate, rarely crenate; often 1 pair of teeth exceeding rest. F1. clusters small, in simple or compound axillary and terminal spikes. Per. segs 3-4, obtuse, not completely covering fr. Seeds 1-1·5 mm. long, black, shining; margins rounded.
DIST.: N., S., St. Coastal sands and muds throughout. Inland in saline places, especially in Central Otago.