Short-lived herb, usually profusely branched from the base and with a rather dense leaf-rosette (lacking in old specimens).
Siliqua linear, somewhat dorsi-ventrally compressed and with a narrow septum, straight or slightly curved, 6–10(–20) mm. long, ± 0.7 mm. broad; style ± 0.3 mm. long, ± 0.2 mm. broad.
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