Lamiaceae

H. bituminosus Fisch. & Mey. in Ind. Sem. Horti Petrop. 2:39 (1836). Syn: H. aucheri Jaub. & Spach, I11. PL Or. 5:62, t. 456 (1855); H. secundiflorus Jaub. & Spach, op. cit. 93, t. 457 (1855). Ic: Fl. Azerb. 7: t. 25 (1957);Takht. & Fedorov, Fl. Erevana ed. 2, t. 78 (1972).
Shrub, 30-60 cm, branches minutely tuberculate, otherwise glabrous. Leaves and bracts ovate or ovate-oblong, 10-30 x 8-20 mm, truncate to cordate, crenate to dentate, subacute or obtuse, punctate, resinous. Verticil-lasters 2-3-flowered. Calyx lobes pale green, papery, 10-20 mm, obtuse, mucronulate. Corolla violet, resupinate, 15-21 mm; tube 12-18 mm;upper lip 4-5 mm. Stamens and style exserted from lower lip; stylar lobes lilac-purple.Nutlets minutely verrucose. Fl. 5-6. Bare shaly slopes, limestone scree, in steppe, 1900-2100 m.
Type: [Iran] in collibus aridissimis Persiae borealis, [Szovits] (LE).
Easternmost Anatolia. B9 Van: 24 km from Gürpinar (Havasor) to Hoşap, 2000 m, D. 44693! 9 km E. of Hoşap, 2100 m, D. 44549! Van G., ridge above Kilise river 20 km E. of Suphan Da., 1900 m, Watson et al. 1366!
Transcaucasia, N.W. & C. Iran, Khorassan. Ir.-Tur. element.