Euphorbia rhabdotosperma
Euphorbia rhabdotosperma is a species of flowering plant in the Euphorbiaceae family.
Euphorbia rhabdotosperma | |
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Scientific 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. | |
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
- Davis. Flora of Turkey and the East Aegean Islands, vol. 7.
- "Synopsis of Euphorbia subgen. Esula sect. Helioscopia (Euphorbiaceae) in Iran with the description of Euphorbia mazandaranica sp. nov" (PDF).
- "Diversity of the genus Euphorbia (Euphorbiaceae) in SW Asia".