Eastern Mojave Vegetation Coll. No. 812, Avena fatua  


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  Poaceae Avena fatua
Scanned 15 Jun 2013.

Coll. No. 812, 8 Apr 2012, characters observed while keying: Annual, to 100 cm; Roots fibrous; Stem herbaceous; Internodes hollow; Leaf blade and sheath differentiated; Sheath open; Blade soft, margins glabrous; Inflorescence many, panicle, > leaves; Spikelets many on 1° and 2° branches, 20-25 mm.; Florets 3 per spikelet; Glumes present, ±equal, veins 9, awns 0; Axis hairy on abaxial side; Callus bearded; Lemma 10-12 mm, rounded, veins >= 5, tip 2-forked, awns 1, attached at middle, 15 + 25 = 40 mm, single bent, twisted below, straightening when wetted; Palea, ±< lemma, glabrous, margins ciliate; Ovary hairy.

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Date and time this page was prepared: 9/21/2022 1:02:48 PM