Eastern Mojave Vegetation Coll. No. 2005, Erigeron glacialis  


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  Asteraceae Erigeron glacialis
Photographed 26 January 2019.

Coll. No. 2005, 25 July 2018, characters observed: Perennial herb, 50 cm., caudex, taprooted; Stem, proximal stem glabrous to distal stem pilose; Leaves, alternate, largest, petiole 60 mm. to sessile distally, blade 120 mm. × 30 mm. wide, reduced distally, oblanceolate, to ovate distally, entire, glabrous to sparsely pilose distally, especially on veins, margins, ciliate; Inflorescence, #1-3 per stem, showy, flat-topped, >leaves; Peduncles, 40-70 mm.; Involucre, 11 mm. × 20 mm. wide, hemispheric; Phyllaries, 3± series, 8 mm. × 1 mm. wide, green with purple tips, glandular, margins, flat; Flowers, 2 kinds; Ray flowers, #30-40, tube 3 mm. + blade 11 mm. × 2.5 mm. wide, coiling, blue, fertile; Disk flowers, many, tube 3.5 mm. + lobes, 0.5 mm., expanding slightly, yellow, bisexual; Pappus, single series, many, well-developed, capillary bristles, 2.4-3.6 mm.; Anther, 1.5 mm., base rounded; Cypsela, 1.8 mm. × 0.3 mm. wide, compressed front to back, brown, hirsute, no beak.

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Date and time this page was prepared: 7/13/2024 8:18:23 AM