Eastern Mojave Vegetation Coll. No. 3290, Leucanthemum vulgare.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Asteraceae Leucanthemum vulgare
Photographed 6 December 2024.

Plants of the Coal Creek Canyon Study Area
Jefferson County Open Space, Colorado, USA
Asteraceae

Leucanthemum vulgare (Vaill.) Lam.  Ox-eye Daisy.

Coal Creek Canyon Study Area, Lacey Parcel, Jefferson County, Colorado. Right bank of Coal Creek, 1.24 km. west northwest of Coal Creek Canyon Fire Station #3, 14.9 km. north northwest of Golden. 39.87829°N, 105.29057°W. WGS 1984 Elev. 2050 m. Streamside sand bank. Colorado Noxious Weed List B.

Collected by permit: Jefferson County Open Space, 2024, issued: Mar 6, 2024, to: Tom Schweich.

Tom Schweich 3289. 3-Jul-2024

Coll. No. 3289 & 3290, 3 Jul 2024, characters observed: Perennial herb, to 75 cm., creeping rootstock; Stem, glabrous, proximally purple, distally green; Leaves, basal withered at anthesis, cauline, alternate, sessile, blade, 47-52 mm. × 15 mm. wide, reduced distally, spatulate, irregularly toothed, glabrous; Involucre, 4 mm. × 11 mm. wide, ±flat; Phyllaries, in 3± series, unequal, lower < upper; 7 mm. × 2 mm. wide, green with dark-brown scarious margins, eglandular, margins, flat; Receptacle, epaleate; Flowers of 2 kinds; Rays, #30±, tube 2 mm. + blade 12 mm. × 3.5 mm. wide, white; Disc flowers, many, tube 2 mm. + lobes 0.5 mm., yellow; Pappus, absent; Cypsela, 1.5 mm., glabrous, black with many (10?) tan ribs, dehiscing readily.

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Date and time this page was prepared: 12/8/2024 2:15:53 PM