Yellow Oat-grass - Trisetum flavescens subsp. flavescens
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Species Description
Stace 4:
Ssp. flavescens.
Culms usually <60cm; leaves usually ≤5mm wide; panicle mostly ≤about 16cm, with 3-5 branches at lowest node and no more at higher nodes; lowest panicle node with obsolete or very inconspicuous green to purplish scale; spikelets usually yellowish-green, with 2-3(4) florets; 2n=28. Native; meadows, pastures, grassy waysides, especially on base-rich soil; throughout most of lowland British Isles, common in England and South East Scotland, rather scattered elsewhere, not in most of North and North West Scotland.