Common name: Yorkshire Fog
Holcus lanatus L. APNI*
Description: Caespitose, velvety perennial to 1 m high.
Leaves with ligule membranous, 2–4 mm long, obtuse, toothed, pubescent with hairs c. 0.3 mm long; blade flat, to 10 mm wide, softly hairy.
Inflorescence loose or contracted, 5–17 cm long, to 5 cm wide. Spikelets 4–5 mm long, florets 2, the lower floret bisexual, upper male. Lower glume 3–4 mm long, acute, sometimes mucronate, keeled; upper slightly longer than lower, 3-nerved, with a terminal awn 0.5–1 mm long. Bisexual lemma c. 2 mm long, acute, keeled, keel and upper margins minutely ciliate, glabrous; callus with 4 rigid hairs c. 1.3 mm long; palea as long as lemma. Male lemma c. 2 mm long, keeled; awn subterminal, stout, c. 1 mm long, hooked or recurved; callus with > 4 hairs, c. 0.3 mm long; palea shorter than the lemma. A weed on fertile soils in wet places.
Flowering: spring–summer.
Distribution and occurrence: Native of Eur.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *CWS, *SWS, *SWP
Other Australian states: *Vic. *Tas. *S.A.
Text by S. W. L. Jacobs & K. L. McClay Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data ***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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