Solidago roanensis

Solidago roanensis Porter is native to the central and southern Appalachian Mts. (Semple & Cook 2006 FNA). It is characterized by its glabrate lower stem grading to a densely puberulent stem in the inflorescence.  Phyllaries are usually striate with ca 3 veins. The fruits are usually glabrous but sometimes sparsely strigose.  The species is diploid 2n=18. Semple and Cook (2022) published cytogeography maps for S. roanensis and related species.

Semple et al. (2017a) included S. roanensis in a multivariate study of the S. speciosa complex. Semple et al. (2017b) included S. roanensis in a multivariate study of the S. bicolor complex along with S. hispida, S. porteri, and S. sciaphila and more broadly S. erecta. Solidago roanensis was also included in a multivariate study of S. georgiana, S. porteri, S. roanensis, S. squarrosa and S. villosicarpa (Semple et al. 2017c). Semple et al. (2020) included S. roanensis in a multivariate study of the S. puberula/S. pulverulenta complex. Semple and Beck (2021) placed S. roanensis in S. ser. Puberulae of S. subsect. Erectae.

Semple, J.C., L. Tong, and Y.A. Chong.  2017a.  Multivariate studies of Solidago subsect. Squarrosae. I. The Solidago speciosa complex (Asteraceae: Astereae).  Phytoneuron 2017-18: 1–23.

Semple, J.C., L. Tong, Y. A. Chong and M. Kaddoura.  2017b.  Multivariate studies of Solidago subsect. Squarrosae. II. The Solidago bicolor –S. hispida complex (Asteraceae: Astereae).  Phytoneuron 2017-33: 1–44.

Semple, J.C., L. Tong, and A. Chuong.  2017c.  Multivariate studies of Solidago subsect. Squarrosae.  III. S. georgiana, S. porteri, S. roanensis, S. squarrosa and S. villosicarpa (Asteraceae: Astereae).  Phytoneuron 2017-55: 1–17.

Semple, J.C., Lan Tong, Y.J. Chong, and J. van de Graaf. 2020. A multivariate analysis of Solidago subsect. Squarrosae. IV. the S. puberula-S. pulverulenta complex. Phytoneuron 2020-70. 1-22.

Semple, J.C. and J.B. Beck. 2021. A revised infrageneric classification of Solidago (Asteraceae: Astereae). Phytoneuron 2021‑10. 1‑6.

Semple, J.C. and R.E. Cook. 2022. The cytogeography of Solidagosect. Erectae, sect. Villosicarpae, sect. Squarrosae, and sect. Brintonia (Asteraceae: Astereae).  Taxonomy 2: 261–278.

Last update 4 July 2022 by J.C. Semple     

© 2022 J.C. Semple, including all photographs unless otherwise indicated