pel·li·to·ry /ˈpɛləˌtori, ˌtɔr-/
 牆草屬植物


 Pel·li·to·ry, n.  Bot. (a) A composite plant (Anacyclus Pyrethrum) of the Mediterranean region, having finely divided leaves and whitish flowers. The root is the officinal pellitory, and is used as an irritant and sialogogue. Called also bertram, and pellitory of Spain. (b) The feverfew (Chrysanthemum Parthenium); -- so called because it resembles the above.

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 Pel·li·to·ry n.  Bot. The common name of the several species of the genus Parietaria, low, harmless weeds of the Nettle family; -- also called wall pellitory, and lichwort.
 Note: ☞ Parietaria officinalis is common on old walls in Europe; Parietaria pennsylvanica is found in the United States; and six or seven more species are found near the Mediterranean, or in the Orient.


 pellitory
      n 1: herb that grows in crevices having long narrow leaves and
           small pink apetalous flowers [syn: pellitory-of-the-wall,
            wall pellitory, Parietaria difussa]
      2: small Mediterranean plant containing a volatile oil once
         used to relieve toothache [syn: pellitory-of-Spain, {Anacyclus
         pyrethrum]