June 30, 2012
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Southeastern, New Hampshire
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The silique seed pods were a give-away that this was in the Mustard family. It
has a very nice horseradish taste. Key:
- Fruit a silique (greater than 3 times as long as wide).
- Silique longitudinally dehiscent (splits open along its length).
- Lower leaf blades lobed or divided.
- Principal leaf blades pinnately lobed or pinnately divided.
- Plants glaberous (hairless) or pubescent (hairy) with unbranched hairs.
- Stem leaves sessile and auriculate-clasping.
- Septum (partition between the seeds) and replum (wing-like border of the septum)
perpendicular forming I-bean cross-section. (Cardamine genus)
- Principal leaf blades simple or pinnately lobed or pinnately divided.
- Lower leaf blades pinnately lobed (sinuses to nearly the midrib) or pinnately
divided. Upper leaf blades usually similar.
- Principal leaf blades with 5-17 leaflets.
- Stem leaves clasping the stem. Sharply-toothed or lacerate-margined (torn-looking)
leaflets.
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