West Highland Flora

Two-flowered Rush


Juncus biglumis

 

Juncus biglumis

Photo Carl Farmer
31 Jul 2004 Storr, Skye
Each fruit c 4 mm long

Rare on wet stony ground in mountains

Tepals c 2.5-3 mm long.  Fruit c 3.5-4.5 mm long.  Stem typically 2-12 cm long; at the short end of this scale on exposed Skye summits.

ID: Has two flowers/fruits in each flowerhead, one of which is slightly higher than the other, with a bract longer than the flowerhead.  Note that many specimens of Three-flowered Rush may have only two flowers, but the majority will have 3, and the flowers will be all on the same level, with the bract generally shorter than the flowerhead.

Other features: Grows in small tufts.  Stem grooved along one side.  Bract of inflorescence varies greatly in length.  Fruit very blunt at tip, much longer than tepals.

 

Juncus biglumis

Photo Carl Farmer
31 Jul 2004 Storr, Skye
Taller one on left has each fruit c 4 mm long


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