From Naida
Recently was verified at the Whitehouse Nature Center at Albion College in Calhoun County.
WHAT TO LOOK FOR
- Fast-growing annual vine with leaves shaped like equilateral triangles.
- Narrow, delicate, green or red stems.
- Recurved barbs on stems and undersides of leaf blades.
- Alternate, light green leaves, 1”-3” wide.
- Individual, round leaves (ocreae) encircle the stem below the flower/fruit spike.
- Small white flowers in early summer.
- Spikes of pea-sized blue fruit appear in July
Monroe County Master Gardener Association 
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