OregonFlora species comparison

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Euphorbia oblongata

Euphorbia cuphosperma

eggleaf spurge
Habit Herbs perennial, 5–8 dm; stems erect, moderate to densely hairy.
Leaves

alternate (upper and floral leaves generally opposite or whorled), oblong to narrowly obovate, 20–85 × 3–15 mm;

margins serrulate at least in upper 33%;

tips obtuse;

surfaces glabrous.

Inflorescences

involucres bell-shaped, 1.5–3.5 mm;

glands not horned.

Fruits

oblong, 3–5 mm.

Seeds

oblong, 2–3 mm, with shallow reticulate markings.

Euphorbia oblongata

Euphorbia cuphosperma
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Disturbed areas. Flowering May–Sep. 50–300 m. Casc, WV. CA, WA; Europe. Exotic.
Source Flora of Oregon, volume 2, page 646
Stephen Meyers
Sibling taxa
E. crenulata, E. cyparissias, E. dentata, E. esula, E. helioscopia, E. lathyris, E. myrsinites, E. peplus, E. spathulata
E. crenulata, E. cyparissias, E. dentata, E. esula, E. helioscopia, E. lathyris, E. myrsinites, E. oblongata, E. peplus, E. spathulata
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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