Eastern Mojave Vegetation Roots of Coll. No. 1515, Agrostis stolonifera  
 

 

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  Poaceae Agrostis stolonifera
Scanned 12 January 2017.

Ranson/Edwards Homestead Open Space Park, Jefferson County, Colorado. Northern part of open space, 1.6 mi. west on CO Highway 72 from CO Highway 93, north 1.9 mi. on Plainview Road, then 300 m. northeast, almost to the boundary fence; 16.3 km. north northwest of the GNIS location of Golden. 39.8991N, 105.2668W. WGS 1984 Elev. 1937 m. Weakly stoloniferous, growing in and beside ephemeral stream. Introduced.

Coll. No. 1515, 24 July 2016, characters observed: Perennial grass, to 85 cm., decumbent at base, weakly rhizomatous, 1 of 3 collections has a 2.5 cm. scaly rhizome; Leaves, sheath, open, ligule 4 mm., chartaceous tissue extending down sheath 20 mm., auricles, 1 mm., blade, 80 mm. × 3.2 mm. wide, flat, scabrous adaxially; Inflorescence, panicle, branches not bearing spikelets to base; Spikelets, 1 floret; Glumes, ±equal, 2.3 mm., purplish, keeled scabrous; Lemma, 1.8 mm. + awn 0.3 mm., thin, translucent, veins, 3(5?); Palea, 1.3 mm. Introduced.

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Date and time this page was prepared: 3/21/2017 9:27:52 AM