Eastern Mojave Vegetation | Coll. No. 2240, Erigeron subtrinervis |
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Scanned 19 February 2020.
Coll. No. 2240, 16 September 2019, characters observed: Perennial herb, to 40 cm.; Stem, hispid (setose or setulose might better describe the pubescence, but this term rarely used by Colorado authors); Leaves, cauline, alternate, blade 27 mm. × 3 mm. wide, reduced distally, oblanceolate, entire, hispid, eglandular, tip, mucronate(-ish); Heads, showy, not overtopped by leaves; Peduncles, 80-100- mm.; Involucre, 5 mm. × 10 mm. wide; Phyllaries, 3± graduated series, 4.5 mm. × 1.2 mm. wide, lower < rest of involucre, chartaceous at base, green center, margin scarious, hispid, glandular, tips purplish; Receptacle, epaleate; Flowers, of 2 kinds; Ray flowers, #100±, tube 2.5 mm. + blade 5 mm. × 0.3 mm. wide, lavender, sterile (?); Disk flowers, many, tube 1.7 mm. + lobes 0.3 mm., expanding gradually, yellow; Pappus, outer crown of dissected scales 0.3-0.4 mm., inner capillary bristles 2.5 mm.; Fruit (cypsela), 1 mm., 4-angled, brown hairy.
Article records that use this photograph:
Other photos about Species - Asteraceae or Erigeron subtrinervis.
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Date and time this page was prepared: 9/22/2024 4:52:48 PM |