Eastern Mojave Vegetation Inflorescence of Coll. No. 2163, Carex scoparia.  
 

 

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  Cyperaceae Carex scoparia
Scanned 16 December 2019.

Plants of Jefferson County Open Space
Jefferson County, Colorado
Cyperaceae

Carex scoparia Schkuhr ex Willd.  Pointed Broom Sedge.

Ranson/Edwards Homestead Open Space Park, Jefferson County, Colorado. Northwest corner of park, 1.7 mi. west on CO highway 72 from CO Highway 93, 2.0 mi. generally north on Plainview Road to private road, then 550 m west northwest, near northern fence line, 21.6 km. north northeast of the GNIS location of Golden, 39.8991N, 105.2743W. WGS 1984 Elev. 2002 m.

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

Tom Schweich 2163. 16-Jul-2019

Coll. No. 2163, 16 July 2019, characters observed: Perennial sedge, caespitose, to 60 cm., lightly scabrous below head; Leaves, 2 mm. wide, green sheaths, white-hyaline, centrally smooth; Inflorescence, 22 mm. × 15 mm. wide, spikes, #6, closely clustered; Spikes, identical appearing, gynecandrous, 10 mm. × 5 mm. wide, terminal spike clavate; Bracts, 9 mm. long, proximal, 20 mm., =inflorescence, bristle-like; Pistillate scales, <perigynia, mid-vein, green, margin, hyaline, awn, absent; Perigynia, many per spike, 5 mm. × 2 mm. wide, winged, faces, veined, adaxial veins, #7-9, glabrous, beak, 1.5 mm., ±sloping to tip, achene to beak tip, 2.5-2.8 mm.; Achene, 1.3 mm. × 0.7 mm. wide, oval, biconvex; Stigma, #2.

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Date and time this page was prepared: 7/22/2021 5:03:35 PM