Eastern Mojave Vegetation Coll. No. 1337, Erigeron tracyi  


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  Asteraceae Erigeron tracyi
Scanned 7 November 2016.

Coll. No. 1337, 11 May 2016, characters observed: Perennial, caudex simple (not stout), Stem, some with prior year's branches assumed to have been stoloniferous; Leaves, petioles, to 26 mm., oblanceolate, 8-12 mm. × 2-5.5 mm. wide, margin entire, short hairy and glandular (especially visible at high magnification), stem leaves not well-developed; Peduncle, spreading to descending multicellular hairs with clear crosswalls, slightly pustular (maybe) or glandular at high magnification; Phyllaries, in 2+ series, 4.5 mm. × 0.7 mm wide, spreading hairy, inner, margin, chartaceous; Receptacle, epaleate; Flowers, of two kinds; Rays, numerous, 7 mm., ligule, 4 mm. × 0.3-0.6 mm. wide, white-pink fading purple; Disk flowers, yellow; Pappus, ray and disk alike, inner, few capillary bristles, 4 mm., outer, short crown of scales, double pappus not particularly disgnostic in Erigeron.

Article records that use this photograph:

  • Checklist Flora of Native and Naturalized Vascular Plants of Golden and Vicinity, Jefferson County, Colorado: Erigeron tracyi.
  • Social Trail, North Table Mountain, Jefferson County, Colorado: along trail.
  • Field Notes: Coll. No. 1337.

Other photos about Species - Asteraceae or Erigeron tracyi.


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Date and time this page was prepared: 7/13/2024 8:18:24 AM