Euphorbia deltoidea subsp. serpyllum

(Small) Ya Yang

Taxon 61: 783. 2012.

EndemicConservation concern
Basionym: Chamaesyce serpyllum Small Fl. Florida Keys, 81, 155. 1913
Synonyms: C. deltoidea subsp. serpyllum (Small) D. G. Burch
Treatment appears in FNA Volume 12. Treatment on page 267. Mentioned on page 266.

Stems prostrate, loosely mat-forming, canescent, hairs appressed, less than 0.1 mm. Stipules canescent with appressed hairs; petiole canescent with appressed hairs; blade 2–5(–7) × 1–2.5(–5) mm, 2 times longer than wide, surfaces silver-green, canescent with appressed hairs. Involucre canescent with appressed hairs. Pistillate flowers: ovary canescent with appressed hairs. Capsules canescent with appressed hairs.

Phenology: Flowering and fruiting year-round.
Habitat: Open pine rocklands.
Elevation: 0–10 m.


Subspecies serpyllum is restricted to pine rockland on Big Pine Key, Monroe County.

Selected References


Lower Taxa

Victor W. Steinmann +, Jeffery J. Morawetz +, Paul E. Berry +, Jess A. Peirson +  and Ya Yang +
(Small) Ya Yang +
Chamaesyce serpyllum +
0–10 m. +
Open pine rocklands. +
Flowering and fruiting year-round. +
Endemic +  and Conservation concern +
C. deltoidea subsp. serpyllum +
Euphorbia deltoidea subsp. serpyllum +
Euphorbia deltoidea +
subspecies +