Stem square

The following is a list of native or naturalised species which, at least some of the time, possess this spot-character.

I.e. 4-angled or 4-ribbed

FamilySpeciesComment
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Duvalia polita var. polita
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia levyi
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia longituba
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia verekeri var. verekeri
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia zebrina subsp. zebrina
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea carnosa subsp. keithii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea caudata subsp. rhodesiaca
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea huillensis subsp. huillensis
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea lugardii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea lutea subsp. lutea
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea maculata subsp. maculata
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea rogersii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea schweinfurthii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea valida subsp. valida
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea variegata
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Stapelia getliffei
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Stapelia gigantea
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Stapelia kwebensis
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Tavaresia barklyi
Olacaceae Olax dissitiflora
Rubiaceae Rubia horrida
Scrophulariaceae Buddleja saligna
Vitaceae Cissus quadrangularis
Number of species: 23


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Botswana: List of species with each spot-character: Stem square.
http://www.botswanaflora.com/speciesdata/species-spot-display.php?species_id=104, retrieved 13 December 2017

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