897. Symphyotrichum vahlii Compositae.

Abstract

• Symphyotrichum vahlii (Gaudich.) G. L. Nesom (Compositae:Astereae: Symphyotrichinae) is described and illustrated, and the speciesis provided with an expanded synonymy that includes type citations,known types, and supplementary comments. Notes are provided oncultivation and propagation. Comments are also made on the historicalcollections representing this species, both as types and early collections,and relating these to early circumnavigations. The likelihood thatThino-bia araucanaPhil., of the monotypicThinobiaPhil., is this species is alsodiscussed.