Eastern Mojave Vegetation Coll. No. 1266, Symphyotrichum porteri  
 

 

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  Asteraceae Symphyotrichum porteri
Scanned 7 January 2015.

Coll. No. 1266, 29 Jul 2015, characters observed: Perennial herb, to 35 cm., eglandular, generally not hairy; Stem ascending; Leaves, cauline, alternate, sessile, 53 mm. × 3 mm. wide, lance-linear, many rolled, tip pointed, maybe spinulose, generally glabrous except some distal margins; Inflorescence, crowded, ±flat-topped; Heads borne simgly on short pedicels; Involucre, 5 mm. × 8 mm. wide; Phyllaries, 2+series, 3.5 mm. × 0.7 mm. wide, ±equal, inner ≥ outer, mid-vein green, margins white proximally, green distally, tip acute; Receptacle, epaleate, convex (if not conic); Flowers of two kinds; Rays, fertile, corolla, 6.5 mm., white; Disk flowers, corolla, 3.0 mm., yellow; Pappus, bristles, barbed, single, 2.5 mm.; Cypsela, 0.7 mm., sparsely hairy.

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Date and time this page was prepared: 6/17/2017 2:22:41 PM