Solidago spathulata

Coast Goldenrod

Solidago spathulata DC. is scattered in isolated dune and headland populations along the coast of central and north California, Oregon and Washington. The surface resin typical of subsect. Humiles is particularly copious in this species. A narrow interpretation of the species is accepted here following G. S. Ringius (1985). The species is diploid 2n=18 (Peirson et al. 2012). (See Semple & Cook 2006 FNA).

Semple et al. (2019) presented a multivariate analysis of all 13 species of S. subsect. Humiles and found S. spathulata to be distinct from all other species by having obviously multi-serrate middle and upper stem leaves and being very glutinous-resinous over much of the plant.

Habitat, beach, Oregon

Solidago spathulata, Solidago spathulata, beach, Oregon

Solidago spathulata, beach, Oregon

Solidago spathulata, beach, Oregon, Semple & Brouillet 7119 (WAT, BRIT, CAN, DAO, GA, GH, KEW, MO, NY, UC, US, USF)

Solidago spathulata, stems and leaves, Semple et al 2019 Fig 22

Solidago spathulata, stems and leaves (Semple et al. 2019 Fig 22)

Floral morphology, Solidago spathulata, Semple et al 2019 Fig 22

Floral morphology, heads and disc floret, Solidago spathulata (Semple et al. 2019 Fig 22)

Solidago spathulata range Semple draft

Semple, J.C., K. Kornobis, A. Mazzorato, G.S. Ringius, and J.A. Peirson. 2019. A multivariate morphometric analysis of Solidago subsect. Humiles (Asteraceae: Astereae). Phytoneuron 2019-24: 1–61.

Last update 26 April 2019 by J.C. Semple