Eastern Mojave Vegetation Coll. No. 2246, Holosteum umbellatum  
 

 

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  Caryophyllaceae Holosteum umbellatum
Scanned 2 May 2020.

Plants of Jefferson County Open Space
Jefferson County, Colorado
Caryophyllaceae

Holosteum umbellatum L.  Jagged Chickweed.

Apex Park - Restricted Area, Jefferson County, Colorado. Approximate center of area, mid slope, northeast-facing nose of ridge, 4.7 km. south of the GNIS location of Golden. 39.7233N, 105.2233W. WGS 1984 Tiny annual, white petals with jagged ends. Also here: Collinsia parviflora.

Collected by permit: Jefferson County Open Space, 2020, issued: Apr 13, 2020, to: Tom Schweich.

Tom Schweich 2246. 21-Apr-2020

Coll. No. 2246, 21 April 2020: Annual, to 5 cm.; Stem, single, glandular distally; Stipules, absent; Leaves, cauline, opposite, 6 mm. × 1.7 mm. wide, oval, margins, entire, glandular; Inflorescence, umbellate; Pedicels, 2.5-9.0 mm., reflexed in flower; Sepals, #5, all distinct, 2.7-3.0 mm. × 1.2 mm. wide, ovate, green, margin scarious; Petals, #5, 2.5 mm. × 1.2 mm. wide, deltoid, tip erose; Stamens, #5; Styles, #2(3?), 1 entire, 1 forked (with 2 stigmas).

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Date and time this page was prepared: 6/19/2020 5:33:29 PM