Eastern Mojave Vegetation Coll. No. 2170, Bromus lanatipes  
 

 

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  Poaceae Bromus lanatipes
Photographed 23 January 2020.

Plants of Jefferson County Open Space
Jefferson County, Colorado
Poaceae

Bromus lanatipes (Shear) Rydb.  Wooly Brome.

Lippincott Property, Jefferson County, Colorado. Northernmost Jefferson County, jointly owned by City of Boulder OSMP and Jefferson County Open Space, moderate slope above and on the north side of Bull Gulch, 23.2 km. north northwest of the GNIS location of Golden 39.9097N, 105.2771W. WGS 1984 Elev. 2019 m. Deep forest duff in ponderosa pine woodland.

Collected by permit: Jefferson County Open Space, 2019, issued: Mar 1, 2019, to: Tom Schweich.

Tom Schweich 2170. 21-Jul-2019

Coll. No. 2170, 21 July 2019, characters observed: Perennial grass (short-lived?), 50 cm., clumped; Roots, fibrous; Stem, herbaceous; Internodes, glabrous; Leaves, blade and sheath differentiated, soft; Sheath, 60-70 mm., closed, long shaggy hair; Ligule, 1.5 mm., membraneous, auricles, absent; Blade, 160 mm. × 5 mm. wide, adaxial scaberulous, tip, acute; Inflorescence, 1 per culm, >leaves, panicle, 130 mm. × 60 mm. wide, 2+ branches; Rachis, not extended, scabrous; Spikelets, #12-13, 23 mm. × 5 mm. wide, similar, borne singly; Compression, lateral; Disarticulation, unknown, should be above the glumes; Glumes, lower, 5 mm., veins, #1, keeled, keel scabrous, upper, 6 mm., <lowest floret, veins, #5, keeled; Lemma, 7.5 mm., >glumes, hairy laterally becoming more broadly hairy distally, veins, #5, convergent, awns, #1, 3 mm., straight, barbellate, attached near end; Palea, 9 mm., ±=lemma, membraneous, keel ciliate, veins, lt. green, margin, glabrous, tip, entire; Anthers, #3, 2.3 mm., yellow; Achene, immature.

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Date and time this page was prepared: 8/2/2020 9:37:53 AM