Euphorbia rhabdotosperma
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. rhabdotosperma
Binomial name
Euphorbia rhabdotosperma
Radcl.-Sm.

Euphorbia rhabdotosperma is a species of flowering plant in the Euphorbiaceae family.

Description

A Euphorbia rather resembling a small Euphorbia helioscopia, with correspondingly smaller stem leaves (5-13(20) x 2-5(8) mm), raylet leaves (5-11 x 3-7 mm) and fruit (2.5-3 mm), and critically differing by its seed surface.[1] See PoWo herbarium specimen.

Seed surface vs. E. helioscopia is longitudinally striate-rugulose vs. favose-reticulate.[1] / striate-rugulose vs. foveolate(-reticulate) [2] This is an unusual surface.[3]

Distribution

Native to Iran, North Caucasus, Transcaucasus, Turkey, Turkmenistan (PoWo map).

Turkish regional distribution is Antalya and northwards (map bizimbitkiler.org.tr).

Habitat

Generally : River banks, foothills, edge of irrigated fields, limestone rocks, steppes; 1100-1400 m.[3]

Turkey : Steppe, limestone rocks, fields, 1100-1300 m.[1]

Iran : Steppes, edge of fields and orchards, at 500-1600 m.[2]

References

  1. 1 2 3 Davis. Flora of Turkey and the East Aegean Islands, vol. 7.
  2. 1 2 "Synopsis of Euphorbia subgen. Esula sect. Helioscopia (Euphorbiaceae) in Iran with the description of Euphorbia mazandaranica sp. nov" (PDF).
  3. 1 2 "Diversity of the genus Euphorbia (Euphorbiaceae) in SW Asia".
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