Helianthus grosseserratus M.Martens
Determiner: Nee, M. (2021)
Nee, M.H. 66262
Verbatim Date: 24 Aug. 2020
United States, Wisconsin, Vernon, 10 km (straight line) W of Readstown, public fishing area along Tainter Creek, Tainter Hollow Road West
43° 26' 24" N 90° 53' 17" W; TRS: T11N R04W sec 07 SE4SE4
Old pasture, mostly open and with native species of rich or wet soil (Silphium perfoliatum. Heracleum lanatum), becoming overgrown with Salix exigua, S. eriocephala, Rhus glabra.
[Sheet 1 of 2]; More or less tight patch of stems to 2.5 m. tall. Stem purple, the lower 1/4 with leaves dead and dropped. Leaves opposite in lower 1/3, then alternate on stem and into inflorescence. Rays and disc yellow, a clearer and slightly lighter yellow than Helianthus tuberosus (Nee 66261).
Record Id: 20ce7c2a-ee7f-4dd2-a6f6-af43e5239e98
Occurrence ID (GUID):