A review of the Geissorhiza namaquensis (Iridaceae: Crocoideae) group with the new species G. namaquamontana from Northern Cape, South Africa * Author Goldblatt, P. Author Manning, J. C. text South African Journal of Botany 2017 2017-07-31 111 299 301 http://dx.doi.org/10.1016/j.sajb.2017.03.041 journal article 10.1016/j.sajb.2017.03.041 1727-9321 10496412 3.1. Key to the G. namaquensis group ½ Leaves ± plane with narrowly winged, ciliate margins and veins; stem ± puberulous; flowers blue to violet; filaments equal] 1a Perianth tube 18–25 mm long; filaments 8–10 mm long… G. kamiesmontana 1b Perianth tube 6–11 mm long; filaments 4–6 mm long 2a Tepals 14–18 × 3–6 mm ; anthers 4.5–7.0 mm long; style branches ± 2 mm long… G. namaquensis 2b Tepals (6–)8–10 × 1.5–2.0 mm; anthers 2–3 mm long; style branches ± 1 mm long… G. namaquamontana