Monographs Details: Aster x herveyi A.Gray
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Family:Asteraceae
Scientific Name:Aster x herveyi A.Gray
Description:Species Description - Hybrid of nos. 41 [Aster macrophyllus L.] and 50 [Aster spectabilis Aiton]; rhizomatous; stem 2–10 dm, glabrous below, becoming glandular upwards; lvs firm, glabrous or slightly glandular, toothed or subentire, the basal ones tufted on sterile shoots, broadly ovate to elliptic, 6–13 × 3–8 cm, abruptly contracted to the long petiole, the lower cauline ones similar, becoming reduced, narrower, and less petiolate upwards; infl corymbiform, sparsely leafy-bracteate; invol 18–12 mm, its bracts well imbricate, glandular or glandular-puberulent, relatively broad, appressed, with short, obtuse or acutish, green or greenish but scarcely herbaceous tip; rays 10–20, purple, 10–15 mm; achenes short-hairy; 2n=72. Woods; local in Mass., Conn., and e. L.I.