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

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. glabrum
Rubiaceae Galium scabrellum
Rubiaceae Rubia cordifolia subsp. conotricha
Vitaceae Cissus quadrangularis
Number of species: 7

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-17

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2017). Flora of Zambia: List of species with each spot-character: Stem square., retrieved 27 June 2017

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