Eastern Mojave Vegetation Coll. No. 2467, Packera werneriifolia  
 

 

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  Asteraceae Packera werneriifolia
Scanned 31 May 2021.

Plants of Colorado
Asteraceae

Packera werneriifolia (A. Gray) W. A. Weber & . Lve.  Hoary Groundsel.

Hankins Gulch, Jefferson County, Colorado. Slopes above Hankins Gulch near its mouth on Goose Creek, area burned by Hayman fire of 2002, 86 km. south-southwest of Golden. 39.1731N, 105.3812W. WGS 1984 Elev. 2523 m. Downed ponderosa pines, with Erigeron vetensis, E. compositus, Clematis columbiana, Cymopterus anisatus, and Arctostaphylos uva-ursi.

Collected by permit: Pike - San Isabel National Forest, 2021, issued: Mar 29, 2021, to: Tom Schweich.

Tom Schweich, with Bob Legier and Matt Schweich 2467. 23-May-2021

Coll. No. 2467, 23 May 2021, characters observed: Perennial herb, 9-10 cm., tap-rooted; Stem, green, lanate-tomentose throughout; Leaves, cauline, appearing basal, blade, narrowly oblanceolate, 70 mm. × 4 mm. wide, abruptly reduced, giving plant scapose appearance, abaxial, glabrate, adaxial, thinly tomentose, margins, entire, revolute; Inflorescence, flat-topped, heads, #7-10 per stem, not overtopped by leaves; Peduncles, 3-22 mm., tomentose; Involucre, 8 mm. × 8 mm. wide, ovoid, tomentose; Phyllaries, in 2 series, non-imbricate and appearing to be a single series, 6.5 mm. × 1 mm. wide, flat, not clasping ray ovaries, tip, acute, margins of inner phyllaries scarious, calyculi present, green; Flowers, 2 kinds; Ray flowers, #9, tube 3 mm. + blade 4.5 mm. × 2 mm. wide, yellow, fertile; Disk flowers, #40-50, tube 4 mm. + lobes 0.5 mm., yellow, throat expanding gradually; Pappus, many well-developed bristles, 5 mm., ±unequal; Cypsela, immature, 1.5 mm. × 0.5 mm. wide, green, glabrous, beakless.

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Date and time this page was prepared: 9/18/2023 5:25:18 PM