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 Huernia verekeri var. verekeri
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Orbea schweinfurthii
Apocynaceae subfamilies Asclepiadoideae and Secamonoideae Stapelia gigantea
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
Vitaceae Cissus petiolata
Vitaceae Cissus producta
Vitaceae Cissus quadrangularis
Number of species: 14


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-18

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2018). Flora of Malawi: List of species with each spot-character: Stem square.
https://www.malawiflora.com/speciesdata/species-spot-display.php?species_id=104, retrieved 23 September 2018

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