Eastern Mojave Vegetation Coll. No. 2735, Solidago velutina ssp. sparsiflora  
 

 

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  Asteraceae Solidago velutina sparsiflora
Photographed 16 Febriary 2022.

Plants of Jefferson County Open Space
Jefferson County, Colorado
Asteraceae

Solidago velutina DC. ssp. sparsiflora (A. Gray) Semple.  Three-Nerve Goldenrod.

Apex Park - Northern Parcel, Jefferson County, Colorado. Base of the Front Range scarp, in a flat area between two drainages, northeast corner of Apex Park, above an unnamed drainage through the Stonebridge HOA, 4.58 km. south of the GNIS location of Golden. 39.7239N, 105.2197W. WGS 1984 Elev. 1885 m.

Collected by permit: Jefferson County Open Space, 2021, issued: Apr 1, 2021, to: Tom Schweich.

Tom Schweich, with Cindy Trujillo 2735. 1-Sep-2021

Coll. No, 2735, 1 Sep 2021, characters observed: Perennial herb, to 50 cm., rhizomatous; Stem, spreading hispid, to glandular in inflorescence; Leaves, basal, withered, cauline, sessile, blade 95 mm. × 27 mm. wide, reduced distally, 3-nerved, hispid proximally thinning distally, entire to distally serrate, ciliate; Inflorescence, >leaves, paniculiform arrays, heads many per stem; Peduncles, 1.5-3.0 mm.; Involucre, 4.0-4.5 mm. × 2.3-3.0 mm. wide, campanulate; Phyllaries, 4 graduated series, largest (inner) 4 mm. × 1 mm. wide, chartaceous base to greenish distally, margin more fringed than ciliate; Receptacle, epaleate; Flowers, of 2 kinds; Rays, #7, tube 2.4 mm. + blade 2.4 mm. × 0.6 mm. wide, yellow, sterile(?); Disk flowers, #6, tube 1 mm. + throat 2 mm. + lobes (large!) 1 mm. = 4 mm., throat expanding gradually, tube green to throat and lobes yellow; Pappus, many, well-developed bristles, ±equal disk corollas, 3.5-4.0 mm.; Style, 2-branched, ±brush-like appendages; Stigma, 0.6-0.7 mm., >style appendages (0.5 mm.); Cypsela, 1.2 mm., tan hairy;

Directed away from Sect. Nemorales because basal leaves are withered at flowering, and because the distal cauline leaves are gradually reduced while remaining similar to mid-cauline leaves.

Corollas & pappi more in range of S. velutina than S. mollis.

Compare to Loraine Yeatts #818 1983-0829, from South Table Mountain (BRYV0278879, KHD00009873).

Article records that use this photograph:

Other photos about Species - Asteraceae or Solidago velutina sparsiflora.

 


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Date and time this page was prepared: 9/18/2023 5:25:19 PM