Wednesday, April 29, 2009

Neighborhood Weeds

Two mustard family (4 petals, 6 stamens - 4 long, 2 short) weeds are flowering in Quann park. I think the first one is Pennycress (Thlaspi arvense) and the second one is Winter cress (Barbarea vulgaris).

This third weed I first saw at my in-laws' farm in the woods. I thought it was some woodland wildflower coming up. Then I saw the same leaves at the Arboretum. Then I started noticing the leaves everywhere, including in our backyard! So it must be some common weed. But I am really curious now what it is. Any ideas what it is? Maybe I just have to wait until it puts out a flower.

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