Aira praecox is a species of grass known by several common names, including early hair-grass,[1]yellow hairgrass and spike hairgrass. It is native to Europe, where it is found in dry, sandy places, on rocky outcrops, and in heath grassland.[2] It also grows in North America as an introduced species, where it can be found on the east and west coasts in sandy or rocky areas, such as beaches and roadsides. This is a tuft-forming annual grass growing up to about 10 to 15 centimeters in maximum height.[3]: 1073 The thin, narrow leaves are located at the base of the stem, and are typically 0.3–2 millimeters wide.[4] It bears small, tightly congested inflorescences of purple-tinted green bisexual spikelets.
It is an annual, forming low and small but numerous tufts. It flowers from April to June.[2]
Certain moths and butterflies, including the Grayling butterfly and the Coast Dart moth, feed on it as larvae.[5]
^BSBI List 2007(xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
Airapraecox is a species of grass known by several common names, including early hair-grass, yellow hairgrass and spike hairgrass. It is native to Europe...
conditions). Agapanthus praecox, a South African bulbous plant Airapraecox, a European grass Allium praecox, a Californian onion Casearia praecox, a West Indian...
and short summer restricting growth. Recorded larval food plants are Airapraecox (Czechoslovakia, Spain), Deschampsia cespitosa (Czechoslovakia), Festuca...
species such as Scot's broom (Cytisus scoparius) and yellow hairgrass (Airapraecox). The invasion of the habitat by introduced species is a threat to this...
discolor), field madder (Sherardia arvensis), and early hair-grass (Airapraecox). Maiden pink (Dianthus deltoides) is found in dry soil on ledges. Wetter...
rubra), crested hair-grass (Koeleria macrantha) and early hair-grass (Airapraecox). Annual flora at the site include hare's-foot clover (Trifolium arvense)...
Agrostis subulifolia Stapf, indigenous Genus Aira: Aira cupaniana Guss. not indigenous, naturalised Airapraecox L. not indigenous, naturalised Genus Alloteropsis:...
Desmazeria marina subcommunity the Anthyllis vulneraria subcommunity the Airapraecox subcommunity the Arenaris serpyllifolia subcommunity Rodwell, J. S. (2000)...
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