Eastern Mojave Vegetation
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Eastern Mojave Vegetation
| Coll. No. 1521, Heterotheca villosa |
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Scanned 13 January 2017. Possibly var. villosa. North Table Mountain Park, Jefferson County, Colorado. Lower north slopes of North Table Mountain, 1.02 km. southwest of the Mesa Spur trailhead on 58th Avenue, 4.66 km. north northeast of the GNIS location of Golden. 39.7953°N, 105.2039°W. WGS 1984 Elev. 1848 m. Mixed grasses and forbs upslope of North Table Loop. Coll. No. 1521, 29 July 2016, characters observed: Perennial herb, to 35 cm., eglandular and hispid throughout; Leaves, cauline, alternate, sessile, 35 mm. × 18 mm. wide, ovate, entire, not contorted after drying; Heads, borne singly on leafy peduncles to 50 mm., subtended by a pair of bracts, sometimes equalling but not exceeding the head, with cilia to 1.2 mm. proximally; Phyllaries, 3+graduated series, 3-8 mm. × 1 mm. wide, more toward strigose than hispid, tips, dark brown; Receptacle, epaleate, hemispheric; Flowers, 2 kinds; Rays, corolla, 9 mm., yellow; Disk flowers, corolla, 6.5 mm., yellow; Pappus, short (1 mm.) and long (5-6 mm.) capillary bristles; Cypsela, 3 mm., hairy. Perhaps an intermediate between Heterotheca villosa and H. foliosa. See discussion in Ackerfield (2015) Flora of Colorado.
Article records that use this photograph:
Other photos about Species - Asteraceae or Heterotheca villosa.
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Date and time this page was prepared: 11/3/2024 5:39:35 PM |