= herb John, n. 1.

Any of several medicinal herbs; esp. St. John's wort (Hypericum species). Also with the. Cf. grace, n. 4a, Gratia Dei, n. 2. Now historical and rare.

? The great St. John's wort.

Any plant of the genus Hypericum (see hypericum, n. 1); esp. H. perforatum (see perforate St John's-wort n. at perforate, adj. compounds), the…

In the genitive. †(a) cowslip, Primula veris; †(b) feverfew, Tanacetum parthenium; (c) any of various species of hypericum (including several North…

Botany. A large genus of plants (herbs or shrubs), of very wide distribution, the type of the N.O. Hypericaceæ, having pentamerous yellow flowers…

= St John's-wort, n. 1.

A St. John's-wort (genus Hypericum).

A name for plants of the genus Hypericum, formerly supposed to possess the power of curing persons possessed with devils. Obsolete. rare.

†(a) (apparently) fine-leaved sandwort, Minuartia hybrida (obsolete); (b) a small St John's wort, Hypericum gentianoides, of eastern North America…

= orange grass n. (b) at orange, n.1 adj.1compounds 1c(b).

Orange grass, Hypericum gentianoides.

A plant that exudes gum or resin; a plant of the order Guttiferæ.

A kind of St John's wort (genus Hypericum); esp. the Eurasian species H. calycinum, a low-growing shrub with dense foliage and yellow flowers (also…

Originally English regional (southern). Any of several St John's-worts (genus Hypericum), esp. H. perforatum and (in full sweet amber) tutsan, H. a…

U.S. St John's-wort, Hypericum perforatum (family Hypericaceae). Also called hypericum, Klamath weed.

the local name of a species of St. John's wort, Hypericum perforatum.