Botanist Gerry Firkins, from Sorby Natural History Society, leads regular tours around the city looking at plants and trees, and one of his interests is winter twigs. “It’s about looking ...
MLive Ann Arbor on MSN6d
Go away, winter! Michigan’s official groundhog will make her predictionThe tradition started in 1887 at Gobbler’s Knob in Punxsutawney, Pennsylvania with a groundhog known as Punxsutawney Phil.
American Journal of Botany, Vol. 15, No. 5 (May, 1928), pp. 337-344 (8 pages) 1. Individual twigs of dormant lilac plants growing in pots were exposed to vapors of ethylene chlorhydrin, ethylene ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback