Euphorbia
Family: Euphorbiaceae
Euphorbia image
José Jesús Sánchez-Escalante
  • Gleason & Cronquist
  • Resources
Vascular plants of NE US and adjacent Canada
Fls greatly reduced, the staminate consisting of a single stamen, the pistillate of a single pistil; several staminate fls surrounding one pistillate fl inserted at the base of a cupulate involucre, the whole constituting an infl termed a cyathium but simulating a single fl with a stipitate ovary; involucre 4-5-lobed, usually bearing glands in the sinuses; these in some spp. with white or colored petaloid margin; ovary 3-locular and 3- ovulate; styles 3, bifid; capsule 3-lobed, 3-seeded; herbs, shrubs, or trees of diverse form, with milky, often highly acrid juice. The several subgenera and even some of the sections have often been taken as distinct genera, but the boundaries are difficult to draw. 1500, cosmop.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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Species within inventory project: Intermountain Regional Herbarium Network
Euphorbia aaron-rossii
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Euphorbia albomarginata
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Euphorbia arizonica
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Euphorbia bilobata
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Euphorbia brachycera
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Euphorbia chaetocalyx
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Euphorbia chamaesula
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Euphorbia cyathophora
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Euphorbia cyparissias
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Euphorbia davidii
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Euphorbia eriantha
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Euphorbia esula
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Euphorbia exstipulata
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Euphorbia fendleri
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Euphorbia glyptosperma
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Euphorbia incisa
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Euphorbia maculata
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Euphorbia marginata
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Euphorbia myrsinites
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Euphorbia nephradenia
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Euphorbia oblongata
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Euphorbia ocellata
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Euphorbia palmeri
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Euphorbia peplus
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Euphorbia polycarpa
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Euphorbia prostrata
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Euphorbia schizoloba
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Euphorbia serpillifolia
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Euphorbia setiloba
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Euphorbia spathulata
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