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Compilation
Heterotheca viscida

5 Images see all

Syntype of Chrysopsis villosa (Pursh) Nuttall ex de Candolle var. viscida A. Gray [family ASTERACEAE]
Isolectotype of Heterotheca viscida (A. Gray) V.L. Harms [family ASTERACEAE]
Filed as Heterotheca viscida (Gray) Harms [family ASTERACEAE]
Isotype of Chrysopsis viscida (A.Gray) Greene subsp. cinerascens S.F.Blake [family ASTERACEAE]
Lectotype of Chrysopsis villosa (Pursh) Nuttall ex de Candolle var. viscida A. Gray [family ASTERACEAE]
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Name

Identification
Heterotheca viscida (A. Gray) Harms [family ASTERACEAE ] (stored under name); Verified by J. C. Semple, Chrysopsis villosa (Pursh) Nuttall ex de Candolle [family ASTERACEAE ] Verified by A. Gray, 1884
Related name
  • Chrysopsis villosa
  • Chrysopsis viscida
  • Heterotheca viscida
Common name
  • Cliff goldenaster, Flora of North America Vol. 20

Flora

Entry for Heterotheca viscida (A. Gray) V. L. Harms [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Heterotheca viscida (A. Gray) V. L. Harms [family COMPOSITAE], Rhodora, 70: 302. 1968
Chrysopsis villosa (Pursh) Nuttall ex de Candolle var. viscida A. Gray [family COMPOSITAE], in A. Gray et al., Syn. Fl. N. Amer., 1(2): 123. 1884
Chrysopsis viscida (A. Gray) Greene [family COMPOSITAE]
Treatment Author(s)
John C. Semple
Information
Perennials, 13–42 cm; taprooted. Stems 1–15+, ascending-erect (sometimes brown), appressed-strigose, mostly proximally long-hirsute, moderately to densely stipitate-glandular. Leaves: proximal cauline petiolate, blades ovate to oblanceolate, 23–51 × 5–15 mm, bases cuneate, margins entire, hispido-strigoso-ciliate (a few much longer spreading cilia near bases), apices acute to obtuse, mucronate, faces sparsely hispido-strigose, moderately to densely stipitate-glandular; distal sessile, blades lanceolate to ovate, 10–30 × 5–12.5 mm (sometimes slightly clasping, less so distally), margins flat or only remotely undulate, apices obtuse to acute. Heads 1–7, borne singly or in open, corymbiform arrays. Peduncles 10–36 mm, sparsely to moderately hispid, moderately to densely stipitate-glandular; bracts 0–2, linear-oblanceolate, usually greatly reduced. Involucres campanulate to hemispheric, 7.5–11 mm. Phyllaries in 4–5 series, lanceolate, unequal (outer lengths 1/5–1/4 inner), margins sometimes anthocyanic apically, faces sparsely strigose, stipitate-glandular. Ray florets 9–20; laminae 10–13 × 0.7–2.5 mm. Disc florets 16–76(–98); corollas ± ampliate, 5–7.5 mm, lobes 0.5–0.75 mm, sparsely hairy (0–0.25 mm). Cypselae monomorphic, obconic, compressed, 1.6–2.5 mm, ribs 4–7, faces moderately strigose; pappi off-white, outer of linear scales 0.2–1 mm, inner of 25–40 bristles 5–7 mm, longest weakly clavate. 2n = 18.
Phenology
may (spring), jun-jul (summer), oct (fall)
Altitude range
1500–3000 m;
Distribution
USA Ariz.USA N.Mex.USA Tex.
Discussion
Heterotheca viscida grows in the mountains of southeastern Arizona, southwestern New Mexico, and trans-Pecos Texas. Plants from Texas generally have oblanceolate leaves and smaller heads and can be similar to forms of H. fulcrata var. arizonica and var. senilis. The species typically blooms earlier in the season than H. fulcrata.

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