Division Tracheophyta (Vascular plants) ➔ Order Malpighiales ➔ Family Euphorbiaceae (Spurge family)

Euphorbia polygona Haw.

Synonyms:

Euphorbia horrida Boiss. | Euphorbia horrida var. major A.C.White, R.A.Dyer & B.Sloane | Euphorbia horrida var. noorsveldensis A.C.White, R.A.Dyer & B.Sloane | Euphorbia horrida var. striata A.C.White, R.A.Dyer & B.Sloane | Euphorbia polygona var. exilis D.H.Schnabel | Euphorbia polygona var. nivea D.H.Schnabel |


References:
  1. Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do (2016). WCSP: World Checklist of Selected Plant Families (version Sep 2014). In: Species 2000 & ITIS Catalogue of Life, 2016 Annual Checklist (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.