Perennial herb to 1 m tall. Leaves lanceolate, to 15 cm long, to 3 cm wide, long-petiolate. Capitula to 1 cm across; summer. [×S. hybridus Wehrh., Aster ptarmicoides Hort., A. luteus Hort., ×Asterago lutea Everett.]
Presumed Aster ptarmicoides (Nees) Torr. & A. Gray × Solidago?.
Garden origin
Recent work has placed Aster ptarmicoides in Solidago as S. ptarmicoides. This taxon is then no longer an intergeneric hybrid and requires the name Solidago ×luteus.
Source: (2002). Dahlia. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.
To about 80 cm tall with flower heads clustered together and flowers pale yellow.
