Stem has cross walls below flower heads
Stem has cross walls below flower heads.
- Left: flower heads are globe-shaped with fewer than 30 flowers, and bristly leaves. Juncus brachycarpus. [PDF 301 KB]
- Right: flower heads have fewer than 30 flowers, and leaves are not bristly.
[Larry Allain, USGS, Wetland & Aquatic Research Center / Trevor James, AgResearch]