Difference between revisions of "Agrostis nebulosa"
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Revision as of 21:51, 27 May 2020
Plants annual. Culms 10-75 cm, erect or geniculate, with 2-7 nodes. Leaves mostly cauline; sheaths scabrous; ligules 1-6 mm, dorsal surfaces scabrid¬ulous, apices acute to rounded, erose to lacerate; blades 5-15 cm long, 1-4 mm wide, flat. Panicles 3-30 cm long, (2)5-20 cm wide, oblong to ovate, diffuse, usually over 1/2 the length of the culm, lowest node with (2)3-18 branches; branches scabrous, erect to spreading, lower branches 4-15 cm; pedicels (2.5)4-15 mm, much longer than the spikelets. Spikelets lanceolate, usually purplish, sometimes green to yellowish green. Glumes subequal, 1.3-2.1 mm, 1-veined, sparsely aculeolate on the veins, obtuse; calluses glabrous; lemmas 0.5-0.8 mm, transparent, thin, veins scarcely visible, smooth and glabrous or rarely hairy, apices truncate to rounded or acute, toothed or erose, usually unawned, rarely awned from near the base; paleas 0.4-0.7 mm, about as long as the lemmas and of similar texture; anthers 3,1-1.4 mm. Caryopses 0.6-0.8 mm. 2n = 14.
Discussion
Agrostis nebulosa is native to Spain and Portugal. It is cultivated as an ornamental and for dried flower arrangements, but occasional escapes have been found on roadsides, ditches, and in fields in widely scattered locations in the Flora region.
Selected References
None.