familyAsteraceae
genusSolidago
sectionSolidago sect. Solidago
subsectionSolidago subsect. Humiles
speciesSolidago simplex
varietySolidago simplex var. nana
Solidago simplex var. nana
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
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
Distribution
B.C., Oreg., Wash.
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.