Origanum heracleoticum, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 171

2. O. heracleoticum L. , Sp. Pl. 589 (1753)

( O. hirtum Link ).

Woody, rhizomatous perennial; stems up to 60 cm, branched above, hirsute. Leaves 15-22 x 6-15 mm, ovate to oblong, entire or remotely serrate, sparsely hairy, glandular-punctate, petiolate. Spicules 5-20 mm, ovoid to oblong, crowded or lax and interrupted, forming a panicle. Bracts 2-3 mm, as long as to nearly twice as long as calyx, ovate, densely glandular, green or rarely purplish, glabrous or hairy. Calyx glabrous or hairy, yellowglandular-punctate. Corolla 4-5 mm, white, rarely pink. 2n = 30. S.E. Europe, from Sardegna to the Aegean region.?A1 Bu Cr Gr It Ju Sa Tu.

Variable in colour and indumentum of bracts and calyx.