Eastern Mojave Vegetation Catkin of Coll. No. 2962, Salix boothii.  
 

 

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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. 		  Salicaceae Salix boothii
Photographed 7 December 2023.

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

Salix boothii Dorn.  Booth's Willow.

Guy Gulch, Jefferson County, Colorado. On the bank of the creek in Guy Gulch, 155 m. south of the Centennial Ranch house, 2.56 km. south of Mt. Tom, 12.1 km. (geodesic) northwest of the GNIS location of Golden. 39.7934°N, 105.3538°W. WGS 1984 Elev. 2335 m. Multi-stem, catkin bracts dark brown.

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

Tom Schweich, with John Vickery 2962. 14-Jun-2023

Coll. No. 2962, 14 June 2023, characters observed: Shrub, tall, multi-stem; Height, > 1 m.; Stems, not pruinose, current year's near black, prior year's grayish to yellowish; Leaves, alternate, petiole, 4-5 mm., without glands, blade, 42 mm. × 19 mm. wide, oblong to ovate, surfaces glabrate (hairs velutinous (short, soft, curvy)), margin serrulate; Catkins, pistillate, leafy pedunculate, 28 mm. × 10 mm. wide, elongate, densely flowered; Floral bracts, 1.5 mm., black, villous; Stipe, 0.5 mm.; Capsules, 4.5-6.5 mm., slender, pubescent on proximal margins; Style, 1.7-1.8 mm.

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Date and time this page was prepared: 12/8/2024 2:15:39 PM