Euphorbia deltoidea
subsp. deltoidea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. deltoidea
Binomial name
Euphorbia deltoidea
Engelm. ex Chapm. 1883
Synonyms[1]
List
  • Chamaesyce deltoidea (Engelm. ex Chapm.) Small
  • Chamaesyce deltoidea subsp. serpyllum (Small) D.G.Burch
  • Chamaesyce serpyllum Small
  • Euphorbia deltoidea var. serpyllum (Small) Oudejans
  • Chamaesyce adhaerens Small
  • Chamaesyce deltoidea var. adhaerens (Small) D.G.Burch
  • Chamaesyce deltoidea subsp. adhaerens (Small) A.Herndon
  • Euphorbia deltoidea var. adhaerens (Small) Oudejans
  • Chamaesyce deltoidea subsp. pinetorum (Small) A.Herndon
  • Chamaesyce pinetorum Small
  • Euphorbia pinetorum G.L.Webster
  • Euphorbia smallii Oudejans

Euphorbia deltoidea (syn. Chamaesyce deltoidea)[2] is a species of flowering plant endemic to Florida in the United States.[3] The taxonomy of the plant is difficult, with some authorities dividing it into four subspecies and some into three; also, it is frequently listed as a member of the old genus Chamaesyce.[3][4] One subspecies, ssp. deltoidea, is a federally listed endangered species called deltoid spurge.[4] It is found only in Miami-Dade County.[3] Another subspecies, ssp. adhaerens, is often included with it under the name deltoidea instead of separately, making it difficult to keep count of how many endangered plants there are.[4] This is generally dealt with by placing the "endangered species" label on any taxon within the species that is limited to Miami-Dade County, however many names they may have.[3]

The deltoid spurge grows in a heavily populated county which has been overtaken by urban development. About 98% of the plant's natural habitat has been drastically altered or destroyed, causing its rarity.[3] The plant grows in South Florida's pine rocklands, an increasingly rare type of forest habitat that is stabilized by periodic wildfire.[5] The plant grows in open, sunny areas and depends on fires to clear away brush and litter that threaten to shade it out.[3] Fire suppression in Miami-Dade prevents this natural fire regime.[3] Other threats to the species include invasive plant species such as Burma reed (Neyraudia reynaudiana).[3]

References

  1. ↑ The Plant List, Euphorbia deltoidea Engelm. ex Chapm.
  2. ↑ "Euphorbia deltoidea". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 19 January 2018.
  3. 1 2 3 4 5 6 7 8 USFWS. Deltoid Spurge. Multispecies Recovery Plan for South Florida. May 18, 1999.
  4. 1 2 3 USFWS. Deltoid Spurge Five Year Review. June 15, 2010.
  5. ↑ "South Florida Rocklands". Terrestrial Ecoregions. World Wildlife Fund. World Wildlife Fund Report.


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