Six-angle Spurge - Euphorbia hexagona
Yellowish-green herbs up to a meter tall; branches minutely hairy. Petioles 1-3 mm, stipules absent or as minute glands. Leaves opposite, 1-7 cm, narrow, acute at both ends. Cyathia solitary; involucre 1.5-2 mm lnog, strigulose, glands 5; appendages white or greenish-white; staminate flowers 20-40; pistllate flower with styles 0.5-1 mm long, bifid about half its length. Capsule 3-5 mm long, papillose, tuberculate or roughened (adapted from: McGregor, 1986, Flora of the Great Plains).
MN to SD and eastern WY south to TX and NM; its distribution in MT needs confirmation.
Sandy areas, fields, roadsides and swaster areas (McGregor, 1986, Flora of the Great Plains).
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.