Panicum miliaceum subsp. ruderale (Kitag.) Tzvelev
Iltis, Hugh H. 28456a
Verbatim Date: 1978-08-11
United States, Wisconsin, Dane, Madison. Messerschmidt Farm, 1 mile N of Truax Airfield just W of Hwy 51, ca 5 miles NNE from center of Madison
43.15731781 -89.31504879 +-1138m.
T08N R10E sec16
Latitude/Longitude was derived from the Township, Range, Section location. This causes an imprecision.
Farm. In moist clayey maize field. Sheet 1 of II. MASS COLLECTION: v0239075WIS-v0239080WIS. Aggressively weedy annual, 6 (depauperate)-17 dm tall with 1-6 or more stems from one base. Inflorescences (11-)17-55 cm long to (5-)10-42 cm wide, now beginning to shed the black seeds, though many yet green and not quite out of sheath yet, the former heavy with seed and nodding, the latter, esp. in smaller infls. erect and stiffer. [from 26 July collection] [Supplemental notes 2 weeks later, Aug. 11, 1978: Plants now 1-7 feet tall, full grown, 1/4 (i.e. tips) of panicles yellowing an shedding its black seeds, the panicles on 1-2 dm long peduncles quite exserted from sheaths. (Species, according to Dr. R. G. Harvey, U.W. Agronomist, a bad weed on many farms in Southern Wisconsin, present here for ca. 8 years (!!?), this doubtful, as this is the first collection from state.)
Record Id: ef63aa07-19de-4b87-a651-67680b1032da
Occurrence ID (GUID):