Eastern Mojave Vegetation Coll. No. 2638, Bromus ciliatus  
 

 

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  Poaceae Bromus ciliatus
Photographed 22 January 2022.

Plants of Colorado
Poaceae

Bromus ciliatus L.  Fringed Brome.

Morrison Creek, Jefferson County, Colorado. Along Morrison Creek and former National Forest Road 547, 2.78 km. south of National Forest Road 550, 63.4 km. south of the GNIS location of Golden. 39.3195N, 105.2836W. WGS 1984 Elev. 2459 m. Shaded area, in a generally more open forest, with an adjacent meadow. Also collected here: Rudbeckia hirta, Thalictrum fendleri, and Galium boreale.

Collected by permit: Pike - San Isabel National Forest, 2021, issued: Mar 29, 2021, to: Tom Schweich.

Tom Schweich 2638. 5-Aug-2021

Coll. No. 2638, 5 Aug 2021, characters observed: Perennial grass, 85-90 cm., caespitose; Sheath, closed, basal sheath retrorsely pilose; Ligule, membranous, 1 mm., auricles 0; Blade, 200 mm. × 4 mm. wide, flat, barely scabrous; Inflorescence, 1 per culm, >leaves, open panicle, 90 mm. × 25 mm. wide, 1-3 branches; Rachis, not extended, scabrous; Spikelets, 10-14, 20 mm. × 6 mm. wide, similar, borne singly, pedicels 20-25 mm.; Glumes, lower, 8 mm., veins, 1, somewhat keeled, upper, 9 mm., <lowest floret, veins, 3, keeled, sparsely pilose toward left margin, awns, 0; Florets, 6 per spikelet, #1 is bisexual; Callus, hairs, 0; Lemma, 11.5 mm., body > glumes, lanceolate, membranous, not strongly keeled, veins, 5, tip, entire, awns, 1, 3.8 mm., straight, attached, end, pilose, hairs concentrated proximally and towards the margins, true for upper lemmas; Palea, 10.5 mm., membranous, veins, green, ciliate; Anthers, 1.3 mm.; Achene, 7-8 mm., green, adhering to lemma.

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