What is "poterium sanguisorba"

Salad \Sal"ad\ (s[a^]l"ad), n. [F. salade, OIt. salata, It. insalata, fr. salare to salt, fr. L. sal salt. See Salt, and cf. Slaw.]

1. A preparation of vegetables, as lettuce, celery, water cress, onions, etc., usually dressed with salt, vinegar, oil, and spice, and eaten for giving a relish to other food; as, lettuce salad; tomato salad, etc.

   Leaves eaten raw are termed salad.
   --I. Watts.

2. A dish composed of chopped meat or fish, esp. chicken or lobster, mixed with lettuce or other vegetables, and seasoned with oil, vinegar, mustard, and other condiments; as, chicken salad; lobster salad.

   Salad burnet (Bot.), the common burnet ( Poterium Sanguisorba), sometimes eaten as a salad in Italy.

Burnet \Bur"net\, n. [OE. burnet burnet; also, brownish (the plant perh. being named from its color), fr. F. brunet, dim. of brun brown; cf. OF. brunete a sort of flower. See Brunette.] (Bot.) A genus of perennial herbs ( Poterium); especially, Poterium Sanguisorba, the common, or garden, burnet.

Burnet moth (Zo["o]l.), in England, a handsome moth ( Zyg[ae]na filipendula), with crimson spots on the wings.

Burnet saxifrage. (Bot.) See Saxifrage.

Canadian burnet, a marsh plant ( Poterium Canadensis).

Great burnet, Wild burnet, Poterium oficinalis (or Sanguisorba oficinalis).