Carex davyi Mack.
Family: Cyperaceae
Davy's Sedge
Carex davyi image
Dean Wm. Taylor  

Plants densely cespitose. Culms 23-37 cm. Leaves: sheaths adaxially white-hyaline, summits U-shaped or rounded; distal ligules 1-2.5 mm; blades 2-4 per fertile culm, 7-13 cm × (1.5-)2-3 mm. Inflorescences open, brown or orange-brown, (1-)1.8-3 cm × 6-11 mm; proximal internode 4.5-9 mm; 2d internode, when present, 2-7 mm; proximal bracts scalelike or tipped with stout awn or bristle, shorter than inflorescences. Spikes (1-)2-3, distant, distinct, narrowly oblanceloid to oblanceloid, (12-)14-22 × 5.5-7 mm, base attenuate, apex acute to rounded. Pistillate scales reddish brown or gold, with pale gold midstripe, lanceolate, 4.5-5.8 mm, 3/4 length of and narrower than perigynia, margin white, 0-0.15 mm wide, apex acute. Staminate scales with white-hyaline margin 0-0.2 mm wide. Perigynia appressed to appressed-ascending, green to gold, conspicuously 8-14-veined abaxially, conspicuously 4-8-veined adaxially, at least 3 adaxial veins longer than achene, lanceolate to ovate, plano-convex, 5.9-8.5 × 1.5-2.2 mm, (0.5-)0.6-0.7 mm thick, margin flat, including wing 0.3-0.5(-0.6 ) mm wide, ciliate-serrulate at least distally; beak red-brown or brown, often white-hyaline at tip, usually cylindric, unwinged, ± entire for 0.5-0.8 mm, occasionally flat, ± ciliate-serrulate, abaxial suture inconspicuous, distance from beak tip to achene (2.6-)3-4.1 mm. Achenes ovate, elliptic, or obovate, (1.9-)2-3 × 1.1-1.5 mm, 0.4-0.7 mm thick.

Fruiting late summer. Moist meadows, rocky slopes; 1500-3200 m; Calif.

Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor  
Carex davyi image
Dean Wm. Taylor