African Plant Database

Euphorbia polyacantha Boiss.
Protologue : Cent. Euphorb. 25 (1860)
Information on the genus : Euphorbia
Status for NA : accepted (present)
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Euphorbia polyacantha Boiss. subsp. polyacantha
Synonym(s) Heterotypic
=Euphorbia thi Schweinf. (1868)
=Euphorbia infausta N.E. Br. (1913)
=Euphorbia polyacantha var. rosenii (Pax) R. Br.
=Euphorbia polyacantha subsp. rosenii Pax
=Euphorbia thi var. subinarticulata (Schweinf.) N.E. Br.
=Euphorbia polyacantha var. subinarticulata Schweinf.
=*Euphorbia tetragona auct. A.Rich., non Haw.
Taxon infra-specific
Euphorbia polyacantha Boiss. subsp. polyacantha
Ecology and distribution
Trop. Afr.
Biology : Candelabra-like shrub to 1,5(-2) m tall, broader than high, with densely erect, mostly basal, branches; stems 4-7-angled, 12-30 mm wide, shallowly segmented; spiny; leafless; angles with continuous narrow horny border.
Ecology : Rocky slopes and outcrops with open Acacia or evergreen bushland to lower margins of Juniperus forest; dry hilly savanna of the Red Sea Hills; (-800-)1200-2000(-2250) m alt.
  Comprises 2 subspp.?
  Confused with E. nigrispina (Somalia) and A. cactus. A hybrid between E. polyacantha and E. abyssinica is known (Burger 3276).

Bibliography for Tropical Africa :
  • Darbyshire, I. Kordofami, M. & al. (2015). The plants of Sudan and south Sudan, An annoted checklist. Kew Publishing

Bibliography for North Africa :
  • Fl. Egypt (Boulos) 2: 56 (2000).
More info on :
see under Jstor_African Plant Initiative
see under chg
see under The Euro-Mediterranean Plant Base
see under Herbarium, North Africa MPU
carte afrique num 143189
Record n°143189
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