West Highland Flora

Three-flowered Rush


Juncus triglumis

 

Juncus triglumis

Photo © Carl Farmer
31 Jul 2004 Storr, Skye
Height of tallest stem from ground c 11.5 cm

Rare but locally plentiful on wet stony ground in mountains.

Tepals c 3-4.5 mm long.  Fruit c 4-6 mm.  Stems c 4-15 mm high.

ID: Usually 3 flowers, sometimes 2.  Bracts usually papery without any green, not longer than flowerhead.  If you find the plant at all it is usually easy to find some 3-flowered, short-bracted specimens that cannot be confused with Two-flowered Rush.  Flowers/fruit are more or less on the same level, not one above the other as in Two-flowered Rush.

Other features: Stems in small tufts.  Taller than Two-flowered Rush.  Leaves mostly from the base, flowerhead at end of long bare stem.

 

Juncus triglumis

Photo © Carl Farmer
17 Jul 2003 Storr, Skye
Plant 10.2 cm high

  Juncus triglumis

Photo © Carl Farmer
17 Jul 2003 Storr, Skye
Flowerhead 7 mm long

 

Juncus triglumis

Photo © Carl Farmer
17 Jul 2003 Storr, Skye
Plant 8 cm high

  Juncus triglumis

Photo © Carl Farmer
17 Jul 2003 Storr, Skye
Flowerhead 6.5 mm long

  Juncus triglumis

Photo © Carl Farmer
17 Jul 2003 Storr, Skye
Flowerhead 6 mm long


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