Place of Publication
Euphorbia World 10(3): 18 (2014)
Type citation
Chile, Prov. Limarí, Coquimbo: southwest of Ovalle and south of "Parque Nacional Fray Jorge", 1st November 2013, collectors J.R. Haager & H. Šedivá s.n. Holotype: Field Museum Chicago F2312952
References
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Haager & Sedivá (2014)
Haager, J R and Sedivá, H 2014. Euphorbia dilloniana Haager & Sedivá – a new succulent spurge species from Chile. Euphorbia World 10(3): 18-21
Regions
Habitat
Desert and Coastal desert and semidesert
Distribution and habitat
Only know from the Type location southwest of Ovalle, south of Parque Nacional Fray Jorge. Occurs a few metres above sea level where it grows in granite rubble.
Key characteristics
Closely resembles the comparatively widely distributed E. thinophila with which it has been confused. The latter has vegetative differences which include a root that is a carrot-like, fragile tuber (more robust in E. dilloniana); the shoots are soft, herbaceous, prostrate with only the apex erect; leaves broadly lance-shaped, 8 mm long and 3-3.5 mm wide (vs. 12-30 cm x c.3 mm in E. dilloniana) (Haager & Šedivá 2014).