Aquatic and Wetland Vascular Plants of the Northern Great Plains
49. Asteraceae, the Aster Family
2. Aster L. -- Aster8. Aster pubentior Cronq.
Stout, erect perennial 5-15 dm tall, from a thick rootstock; stem appressed-puberulent mainly above. Leaves subsessile to short-petiolate, narrowly to broadly elliptic or elliptic-ovate to elliptic-lanceolate, 4-14 cm long, 0.8-3(4) cm wide, scabrous above, densely puberulent beneath, acute to acuminate, entire, tapered to the subsessile or short-petiolate base. Heads usually many (few in depauperate specimens), 1-1.5 cm across, in a terminal, often flat-topped, corymbiform inflorescence; involucre 3-5 mm high, the bracts long-triangular and acute, puberulent; rays 4-7, white, 5-8 mm long. Late Jul--Aug. Wet meadows, springs and swampy or boggy places; occasional in nc and e ND, ne SD; also one record from Cherry Co., NE; (n MI to Alta., s to IA and NE). A. umbellatus Mill.
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