Eastern Mojave Vegetation Coll. No. 3156, Penstemon glaber var. alpinus.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tas4@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Plantaginaceae Penstemon glaber alpinus
Photographed 20 January 2024.

Plants of the Douglas Mountain Study Area
Jefferson County Open Space, Colorado, USA
Plantaginaceae

Penstemon glaber Pursh var. alpinus (Torr.) A. Gray.  Sawsepal Penstemon.

Guy Gulch, Jefferson County, Colorado. North of Guy Gulch, accessed by a ranch road off of Pyrenees Lane, 71 m. east northeast of the line shack, 1.05 km. west southwest of Mt. Tom, 13.7 km. (geodesic) northwest of the GNIS location of Golden. 39.81309°N, 105.36281°W. WGS 1984 Elev. 2623 m. On the edge of an old road through forest of aspen, spruce and ponderosa pine, with Oxytropis lambertii and Packera fendleri.

Collected by permit: Jefferson County Open Space, 2023, issued: Apr 10, 2023, to: Tom Schweich.

Tom Schweich, with John Vickery 3156. 26-Jul-2023

Coll. No. 3156, 26 July 2023, characters observed: Perennial herb, to 30 cm., not mat-forming; Leaves, opposite, sessile, lanceolate to oblanceolate, 90 mm. × 14 mm. wide, glabrous, entire (not undulate or crisped); Inflorescence, axis, glabrous; Flowers, 30 mm., blue; Stamens, included; Staminode, slightly notched at tip; Anthers, 3.7 mm., sacs, short hairy opposite dehiscence.

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Date and time this page was prepared: 5/10/2024 11:16:08 AM