Scientific Name:
Glossostigma diandrum (L.) Kuntze, Revis. Gen. Pl. 2, 461 (1891)
  • Limosella diandrum L., Mant. Pl. 252 (1767)
  • = Glossostigma submersum Petrie, Trans. & Proc. New Zealand Inst. 23: 401 (1890 [1891])

Minute herb forming small rather dense patches. Stems almost filiform, ± imbricate, creeping, rooting at nodes. Lvs (2)–4–6 mm. long, linear to linear-spathulate, opp. or sts fascicled, entire, glab., petiole ± = lamina. Fls c. 1·5 mm. diam., peduncles ± = lvs, axillary. Calyx obtusely 3-lobed; corolla hardly > calyx, lobes blunt. Stamens 2, enclosed in corolla. Capsule globose, not > calyx, c. 1·5–1·75 mm. diam.

[From: Allan (1961) Flora of New Zealand. Volume 1 as Glossostigma submersum Petrie]

Indigenous (Endemic)
Barker, W.R. 1992: New Australasian species of Peplidium and Glossostigma (Scrophulariaceae). Journal of the Adelaide Botanic Gardens 15(1): 71–74.
Barker, W.R.; Nesom, G.L.; Beardsley, P.M.; Fraga, N.S. 2012: A taxonomic conspectus of Phrymaceae: A narrowed circumscriptions for Mimulus, new and resurrected genera, and new names and combinations. Phytoneuron 2012-39: 1–60.
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]
Kuntze, C.E.O. 1891: Revisio Generum Plantarum. Vol. 2. Arthur Felix, Leipzig.
Linnaeus, C. 1767: Mantissa Plantarum. Stockholm.
Petrie, M. A. 1891 ("1890"): Descriptions of new native plants, with notes on some known species. Transactions and Proceedings of the New Zealand Institute 23: 398–407.