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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