sicklewort

from The Century Dictionary.

• noun The self-heal, Brunella (Prunella) vulgaris: from the form of the flower as seen in profile. See Prunella, 2.
• noun The common bugle, Ajuga reptans.

from the GNU version of the Collaborative International Dictionary of English.

• noun A plant of the genus Coronilla (C. scorpioides); -- so named from its curved pods.
• noun The healall (Brunella vulgaris).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A plant of the genus Coronilla (especially, Coronilla scorpioides), with curved pods.
• noun The heal-all (Brunella vulgaris).