Euphorbia spp.
Family: Euphorbiaceae
Euphorbia image
TOMÁŠ MAZUCH  
S. Holmes (1993) 1:306-337
Plants  trees, shrubs, or herbs, sometimes succulent, unarmed or spiny, usually moneocious, rarely dioecious,; latex present, often caustic. Roots fibrous or thick and fleshy, sometimes tuberous. Leaves sually alternate, sometimes opposite or whorled, often stipulate, subtended by spiny outgrowths in some succulent species. Inflorescences of cyathia, cyathia solitary or cymose, the cymes terminal or axillary, often in false umbels; bracts paired, often leaflike, sometimes brightly colored and showy. involucres with (1-)4-5(-8) glands around the rim alternating with fringed lobes. Staminate flowers in 5 groups separated by finged membranes or bracteolesPistillate flowers subsessile, the pedicel usually elongating and recurved in fruit but straightening before dehiscence; perianth usually a rim below the 3-celled ovary, occasionally 3-lobed; styles 3, partly united. Fruits capsules, sometimes initially fleshy but hardening at maturity, loculidally and septicidally dehiscent. Seeds with or without a caruncle. 

Euphorbia is one of the largest genera of flowering plants having up to 2000 species distributed around the world in temperate, tropical, and subtropical regions. About 1300 species are herbaceous. The arborescent, shrubby, and succulent species are confined almost entirely to the tropics and subtropics. with most of the succulent species growing in the drier regions of Africa and Madagascar. 

Key to the subgenera present in Somaliland and Somalia.

©The Trustees of the Royal Botanic Gardens, Kew. Reproduced with permission. 

Image of Euphorbia abyssinica
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Image of Euphorbia actinoclada
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Image of Euphorbia agowensis
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Image of Euphorbia altissima
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Image of Euphorbia ammophila
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Image of Euphorbia appendiculata
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Image of Euphorbia aserbajdzhanica
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Image of Euphorbia aucheri
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Image of Euphorbia aulacosperma
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Image of Euphorbia awashensis
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Image of Euphorbia ballyi
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Image of Euphorbia balsamifera
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Image of Euphorbia boissieriana
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Image of Euphorbia burgeri
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Image of Euphorbia bussei
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Image of Euphorbia caeladenia
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Image of Euphorbia candelabrum
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Image of Euphorbia chaborasia
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Image of Euphorbia chamaepeplus
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Image of Euphorbia cheirolepis
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Image of Euphorbia cognata
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Image of Euphorbia columnaris
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Image of Euphorbia condylocarpa
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Image of Euphorbia consobrina
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Image of Euphorbia craspedia
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Image of Euphorbia cuneata
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Image of Euphorbia cuspidata
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Image of Euphorbia cyrtophylla
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Image of Euphorbia densa
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Image of Euphorbia dracunculoides
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Image of Euphorbia ellenbeckii
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Image of Euphorbia erigavensis
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Image of Euphorbia eriophora
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Image of Euphorbia etuberculosa
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Image of Euphorbia falcata
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Image of Euphorbia fascicaulis
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Image of Euphorbia gaillardotii
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Image of Euphorbia galgalana
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Image of Euphorbia glomerulans
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Image of Euphorbia godana
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Image of Euphorbia goetzei
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Image of Euphorbia granulata
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Image of Euphorbia grossheimii
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Image of Euphorbia guiengola
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Image of Euphorbia hadramautica
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Image of Euphorbia hebecarpa
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Image of Euphorbia heteradena
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Euphorbia
Image of Euphorbia hirsuta
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Image of Euphorbia hispida
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Image of Euphorbia horwoodii
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Image of Euphorbia iberica
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Image of Euphorbia imparispina
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Image of Euphorbia inaequilatera
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Image of Euphorbia inaequispina
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Image of Euphorbia inculta
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Image of Euphorbia inderiensis
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Image of Euphorbia indica
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Image of Euphorbia leontopoda
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Image of Euphorbia macrocarpa
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Image of Euphorbia macroclada
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Image of Euphorbia margaretae
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Image of Euphorbia microsciadia
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Image of Euphorbia microsphaera
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Euphorbia
Image of Euphorbia mitriformis
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Image of Euphorbia monacantha
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Image of Euphorbia mosaica
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Image of Euphorbia multiclava
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Image of Euphorbia multifurcata
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Image of Euphorbia myrioclada
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Euphorbia
Image of Euphorbia nigrispina
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Image of Euphorbia noxia
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Image of Euphorbia osyridea
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Image of Euphorbia pancicii
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Image of Euphorbia petiolata
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Image of Euphorbia phillipsiae
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Image of Euphorbia phillipsioides
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Image of Euphorbia phymatosperma
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Image of Euphorbia pirottae
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Image of Euphorbia piscidermis
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Image of Euphorbia polyacantha
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Image of Euphorbia ponderosa
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Image of Euphorbia prolifera
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Image of Euphorbia prona
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Image of Euphorbia robecchii
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Image of Euphorbia rubella
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Image of Euphorbia schimperiana
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Image of Euphorbia schizacantha
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Image of Euphorbia scordifolia
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Image of Euphorbia seguieriana
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Image of Euphorbia sepulta
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Image of Euphorbia systyla
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Image of Euphorbia szovitsii
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Image of Euphorbia tescorum
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Image of Euphorbia thomsoniana
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Image of Euphorbia triaculeata
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Image of Euphorbia turbiniformis
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Image of Euphorbia valerianifolia
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Image of Euphorbia xylacantha
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