Less common than S. oleraceus [1]. Tristan: Widely dispersed all around the island [2]. Gough: quite common in coastal areas [3].
grows in similar habitats to S. oleraceus [1]. Tristan: Most abundant in the Patches and in disturbed ground [2]. Gough: quite common in coastal areas, in Tussock, wet heath and fern bush; also along streambeds (Cooper & Ryan 1994); and on disturbed ground (NJMG pers obs.).
Gough: First collected in 1957 by Van der Merwe at The Glenn; [3]
[1] Ryan, P. (ed.) (2007). Field Guide to the Animals and Plants of Tristan da Cunha and Gough Island. Pisces Publications, Newbury. 162 pp; [2] Gremmen, N.J.M. and R.L. Halbertsma (2009). Alien plants and their impact on Tristan da Cunha. Report Data-Ana; [3] Gremmen, N. J. M. (2010). Alien vascular plants of Inaccessible, Nightingale and Gough Islands (Tristan da Cunha Group).; [4] Cooper, J & Ryan, P. (1994). Management Plan for the Gough Island Wildlife Reserve. Government of Tristan da Cunha, Edinburgh, Tristan da Cunha. 96 pp.