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 Australluma ubomboensis
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Duvalia polita var. polita
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia hislopii subsp. cashelensis
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia hislopii subsp. robusta
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia hislopii subsp. hislopii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia hystrix var. hystrix
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia kirkii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia levyi
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia longituba
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia occulta
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia procumbens
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia verekeri var. verekeri
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia verekeri × hislopii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia verekeri × longituba
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia volkartii var. repens
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Huernia volkartii var. volkartii
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 umbracula
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 Stapelia leendertziae
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Tavaresia barklyi
Asteraceae Montanoa hibiscifolia
Celastraceae Pleurostylia africana Branchlets 4-angled; this is small and is best seen with a lens
Olacaceae Olax dissitiflora
Olacaceae Olax obtusifolia
Rubiaceae Galium bussei var. bussei
Rubiaceae Galium bussei var. glabrum
Rubiaceae Galium chloroionanthum
Rubiaceae Galium scabrellum
Rubiaceae Rubia cordifolia subsp. conotricha
Rubiaceae Rubia horrida
Rubiaceae Sherardia arvensis
Scrophulariaceae Buddleja lindleyana
Scrophulariaceae Buddleja saligna
Scrophulariaceae Freylinia tropica
Vitaceae Cissus petiolata
Vitaceae Cissus producta
Vitaceae Cissus quadrangularis
Number of species: 50


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: List of native or naturalised species with each spot-character: Stem square.
http://www.zimbabweflora.co.zw/speciesdata/species-spot-display.php?species_id=104, retrieved 20 November 2017

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