Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Summer Spurge - Euphorbia helioscopia

Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Annual. Stems erect, 20–50 cm, simple or branched below but not above. Herbage glabrous to pilose. Leaves alternate, oblong to spatulate, serrulate,15–30 mm long. Inflorescence a terminal compound umbel with leaf-like bracts, subtended by a whorl of leaves. Cyathia 2–3 mm long, villous, the 4 oval, yellow lobes without appendages. Capsule 2–3 mm long, smooth (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced in eastern and northwest U.S.; native to Eurasia. Known from Flathead and Daniels counties (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
Login Logout
Citation for data on this website:
Summer Spurge — Euphorbia helioscopia.  Montana Field Guide.  .  Retrieved on , from