Leaves: Opposite, sessile to shortly petiolate; blades narrowly linear to linear-lanceolate, 20–40 × 2–5 mm, revolute on margins; upper surface dark green, glabrous; lower surface whitish, tomentose, strongly aromatic when crushed.
الأزهار
Inflorescence & flowers: Terminal racemose to paniculate clusters of bilabiate flowers, usually blue to violet, rarely white or pink. Calyx campanulate, bilabiate, pubescent; corolla 8–12 mm, bilabiate with upper lip concave and lower lip spreading. Stamens 2, exserted.
الثمار والبذور
Fruit: Dry schizocarp splitting into 4 smooth nutlets, brown.
الموائل والبيئة
Habitat & ecology: Characteristic of dry, rocky slopes, coastal garrigue and maquis, thriving on calcareous soils; tolerant of drought and salt spray. Widely cultivated for culinary, medicinal, and ornamental uses.