West Highland Flora

Creeping Bent


Agrostis stolonifera

 

Agrostis stolonifera

Photo Carl Farmer
1 Aug 2002 Portree, Skye

Common in grassland, bare wet ground and stony ground, especially on the shore.

Spikelets c 1.8-3 mm long.

ID: One-flowered spikelets spread out much less far from the stem than in other Bents, relative to height of spike (if spike compacted, spread some outwards by hand), so that the appearance is cylindrical rather than triangular.  Maximum width of spread-out spike = 2.5 cm.  Picture on left shows open and closed spikes.

Other features: A tufted grass with creeping and rooting leafy stem-like stolons.  Ligule typically 3-5 mm.  Spikelets usually unawned.  Spike spreads when flowering but contracts again in fruit.  Panicle branches have spikelets almost to the base, whereas in other Skye Agrostis sp they are bare in the lower part.  Palea more than half as long as lemma.

 

Agrostis stolonifera

Photo Carl Farmer
14 Jul 2003 Portree, Skye

 

Agrostis stolonifera

Photo Carl Farmer
31 Aug 2002 Scorrybreac, Skye

Typical creeping stem, over shingle at the high-tide line

 

Agrostis stolonifera

Photo Carl Farmer
31 Aug 2002 Scorrybreac, Skye

Above: Tuft with post-fruiting spikes turning brown

Right: Leafage

  Agrostis stolonifera

Photo Carl Farmer
31 Aug 2002 Scorrybreac, Skye


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