Contains 25 accepted taxa overall.
Characteristics
In the modern sense, Euphorbia s.l. is a large genus of ca. 2000 species characterized by its cyathium (an involucre of clustered, reduced male and female flowers). Euphorbia s.l. includes other traditionally recognized genera such as Chamaesyce, Pedilanthus, and Poinsettia (see Horn et al. 2012; Yang et al. 2012). The Florida species formerly placed in the genus Chamaesyce are now reclassified under Euphorbia subg. Chamaesyce sect. Anisophyllum subsect. Hypericifoliae. The Florida species formerly placed in the genus Poinsettia are now reclassified under Euphorbia subg. Chamaesyce sect. Poinsettia subsect. Stormieae. The former genus Pedilanthus is reclassified under Euphorbia subg. Euphorbia sect. Crepidaria. Many species have a toxic sap, and toxicity from exposure to poinsettia has been reported (D'Arcy 1974).
Classification
Citation
EUPHORBIA Linnaeus, Sp. Pl. 450. 1753.
-
TYPE: Euphorbia antiquorum Linnaeus 1753. Typified by Millspaugh, Publ. Field Columbian Mus., Bot. Ser. 2: 306. 1909.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Euphorbia bombensis | Southern Seaside Spurge, Dixie Sandmat | Native Rare-State S2 (State Rank) | ||
| Euphorbia commutata | Woodland Spurge, Tinted Spurg | Native Rare-State S2 (State Rank) | ||
| Euphorbia cordifolia | Heartleaf Sandmat | Native Rare-State S2 (State Rank) | ||
| Euphorbia corollata | Eastern Flowering Spurge | Native S5 (State Rank) | ||
| Euphorbia curtisii | White Sandhills Spurge, Curtis's Spurge | Native S4 (State Rank) | ||
| Euphorbia cyathophora | Painted Leaf, Fire-on-the-mountain | Native | ||
| Euphorbia cyparissias | Cypress Spurge, Graveyard Spurge | Not Native | ||
| Euphorbia dentata | Painted Leaf, Wild Poinsettia, Toothed Spurge | Not Native | ||
| Euphorbia discoidalis | Summer Spurge | Not Native Rare-State S1 (State Rank) | ||
| Euphorbia exserta | Maroon Sandhills Spurge, Coastal Sand Spurge | Native Rare-State S3 (State Rank) | ||
| Euphorbia graminea | Grassleaf Spurge | Not Native | ||
| Euphorbia helioscopia | Wartweed | Not Native | ||
| Euphorbia heterophylla | Fiddler’s Spurge, Mexican Fireplant | Not Native G5 (Global Rank) | ||
| Euphorbia hirta | Pillpod Sandmat | Not Native | ||
| Euphorbia hypericifolia | Graceful Sandmat | Native | ||
| Euphorbia hyssopifolia | Hyssopleaf Sandmat | Not Native Rare-State S3? (State Rank) | ||
| Euphorbia ipecacuanhae | Carolina Ipecac | Native S4 (State Rank) | ||
| Euphorbia lathyris | Caper Spurge, Myrtle Spurge, Mole Plant | Not Native | ||
| Euphorbia maculata | Milk-purslane, Spotted Spurge | Native S5 (State Rank) | ||
| Euphorbia marginata | Snow-on-the-mountain | Not Native | ||
| Euphorbia nutans | Eyebane | Native S5 (State Rank) | ||
| Euphorbia obtusata | Woodland Spurge | Native Rare-State S3S4 (State Rank) | ||
| Euphorbia polygonifolia | Northern Seaside Spurge | Native Rare-State S3 (State Rank) | ||
| Euphorbia prostrata | Prostrate Sandmat | Not Native | ||
| Euphorbia serpens | Native |
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||