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May 10, 2012
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Southeastern, New Hampshire
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I had thought that there were only a few of these types of plants with little seed pods
growing in a whorl around the stem. Shepherd’s Purse
(Capsella bursa-pastoris), Virginia Pepperweed (Lepidium virginicum),
and Field Pennycress (Thlaspi arvense)
are the ones I knew about. But apparently, there are many others. In order to
differentiate this plant from other in the Lepidium genus:
- Seed pod cover is smooth.
- Seed pod cover has a notch at the top.
- Leaves clasp the stem and sometimes the lower leaf blades are
pinnately compound.
- Style barely extended beyond the seed pod notch (if at all).
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