Solidago simplex var. nana

(A. Gray) G. S. Ringius

Phytologia 70: 397. 1991.

Common names: Dwarf goldenrod
Endemic
Basionym: Solidago humilis var. nana A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 148. 1884
Synonyms: Solidago bellidiflora Greene Solidago glutinosa var. nana (A. Gray) Cronquist Solidago hesperia Howell Solidago purshii var. nana (A. Gray) Farwell Solidago spathulata var. nana (A. Gray) Cronquist
Treatment appears in FNA Volume 20. Treatment on page 114. Mentioned on page 113.

Plants 4.5–13.6 cm. Leaves: basal orbiculate to broadly elliptic, bases attenuated to winged petioles, margins distinctly crenate; cauline 2–7, 20–60 × 8–12 mm. Phyllaries: shortest 2.1–3.1 mm. Disc florets: corollas 4.2–5.4 mm. 2n = 18.


Phenology: Flowering Jul–Aug.
Habitat: Gravelly soils, alpine meadows, gravel slopes
Elevation: 2000–3000+ m

Discussion

Variety nana is mainly confined to peaks of the Cascade Mountains in Oregon and Washington, and very rarely on central Vancouver Island, British Columbia.

Selected References

None.

Lower Taxa

None.
John C. Semple +  and Rachel E. Cook +
(A. Gray) G. S. Ringius +
Solidago humilis var. nana +
Dwarf goldenrod +
B.C. +, Oreg. +  and Wash. +
2000–3000+ m +
Gravelly soils, alpine meadows, gravel slopes +
Flowering Jul–Aug. +
Solidago bellidiflora +, Solidago glutinosa var. nana +, Solidago hesperia +, Solidago purshii var. nana +  and Solidago spathulata var. nana +
Solidago simplex var. nana +
Solidago simplex +
variety +