Eastern Mojave Vegetation Coll. No. 1806, Carex praegracilis  
 

 

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  Cyperaceae Carex praegracilis
Photographed 14 January 2019.

Coll. No. 1806, 8 May 2018. characters observed: Perennial sedge, Habit: rhizomatous; Culms: to 45 mm., scabrous below head; Leaves: 2.2 mm. wide, green, sheaths, white-hyaline, smooth; Inflorescence: 27 mm. × 8 mm. wide, #8-10 spikes, loosely clustered; Spikes: identical appearing, terminal androgynous, lateral androgynous, proximal pistillate, 8 mm. × 5 mm. wide; Bracts: proximal, 24 mm., <inflorescence, setaceous (bristle-like); Pistillate scales: 4 mm. × 2 mm. wide, green mid-vein, brown laterally, hyaline margin, one scale margin just barely folded over edge of perigynum; Perigynia: #15-16 per spike, 3.8 mm. × 1.6 mm. wide, wingless, obscurely veined, glabrous, beak, 0.8 mm., flattish, ±sloping to tip, serrulate, achene to beak tip 1.6 mm.; Achene: 2.1 mm. × 1.3 mm. wide, pretty flat, obovate; Stigma: #2.

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Date and time this page was prepared: 10/12/2019 9:36:09 AM