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Rannoch-Rush
Scheuchzeria palustris
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Rannoch-Rush is a small, grass‑like plant of wet bogs. It has tiny yellow‑green, star‑like flowers and later a curious three‑part pod. You can find it in northern Europe and Asia, and also in North America, wherever open peat bogs and boggy pool edges occur.
Did you know?
- It is the only species in its whole family.
- When the ripe pods are squeezed, they can smell a bit like chlorine.
About the species
Identification
Perennial, 10–30 cm tall, with a pale green, slightly flattened, kinked stem. Leaves are very narrow (1–2 mm), stiff, 10–20 cm long, almost round in cross‑section but with one sharp edge. Flowers are few (3–10), small and yellow‑green in a loose, open string. The fruit is distinctive: a three‑part pod about 5 mm long, a key clue. Looks like a true rush, but the leaves are stiffer and sharp‑edged, and the flower cluster is sparse rather than a tight head. Flowers in Finland in June–July.
Plant group
Herbaceous plants
Habitat
mire
Flowering
Jun–Jul
About the habitat
Grows in open, nutrient‑poor peat bogs and along the edges of boggy pools. It avoids lime‑rich ground. Widespread from the south up to the Peräpohjola region; scarce in Åland and the far north of Lapland.
Sources
Photo: Jonathon Jongsma, CC0 1.0 https://www.gbif.org/occurrence/6159301352
Text: Pinkka: Kasvitieteen retkeily Ahvenanmaalle - Nåtön biologinen asema, CC BY 4.0 https://laji.fi/taxon/MX.40122
Text: Pinkka (Luomus), CC BY 4.0 https://laji.fi/taxon/MX.40122
Text: Wikipedia (Finnish), CC BY-SA 4.0 https://fi.wikipedia.org/wiki/Lev%C3%A4kk%C3%B6
