Nomenclature
Scientific Name:
Alternanthera denticulata R.Br., Prodr. Fl. Nov. Holland. 417 (1810)
Vernacular Name(s):
Lesser joyweed
 Description

Decumbent branching herb 10–50 cm. long, rooting at lower nodes; branchlets sparsely pubescent when young. Lvs ( 1 )-2–4–(5) cm. long, including short petioles; lamina narrow-lanceolate to narrow-oblong to obovate-oblong (all forms may occur on same plant), obtuse to subacute, minutely denticulate. Fls in densely placed axillary clusters 5–8–(10) mm. diam.; fls ± 3 mm. long. Tepals white, scarious, in 2 unequal series(the longer ± 3 mm. long, linear-lanceolate, acuminate; the shorter broader, ± 2.5 mm. long; perfect stamens 2–3. Utricle much compressed, ± 1·5 × 2 mm., light brown, broad-obcordate, margins thickened.

[From: Allan (1961) Flora of New Zealand. Volume 1.]

 Biostatus
Indigenous (Non-endemic)
 Phenology

Flowering: Nov.–Apr.; Fruiting: Nov.–Apr.

 Bibliography
Brown, R. 1810: Prodromus Florae Novae Hollandiae et Insulae Van-Diemen. Johnson, London.
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.; de Lange, P.J. 2004: Alternanthera denticulata (Amaranthaceae) in New Zealand: a new addition to the indigenous or naturalised flora? New Zealand Journal of Botany 42: 739–745.