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| Life form: |
| Tufted plants with short rhizomes |
| Stems: |
| Height 5-40 cm, smooth 3-sided |
| Leaves: |
| Bright yellow-green leaves basal and cauline, flat, mostly about half a centimeter wide |
| Flowers: |
| Large curved or sharply downcurved utricles, usually >3.8mm long, gradually tapering into a long 1.5-3mm beak with a noticeable toothed margin of usually 5-11 bristles on each side; single terminal spikelet with male florets has adjacent female spikelets clustered around it |
| Flowering Period: |
| June |
| Fruits: |
| Grey-green, weakly ribbed with a smooth, notched beak |
| Habitat: |
| Wet meadows, forested wetlands, bogs and shores of
streams and lakes |
Derivation of the botanical name:
Carex, cutter, from sharp leaf and stem edges.
flava, bright almost pure yellow.
- The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.
Carex flava prefers mineral-rich fens, which are often slightly calcareous.
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