Inflorescence & flowers: False whorls of 6–10 flowers. Bracts slender, awl-shaped, spiny and bent downward, shorter than the calyx tube. Calyx tube short, inversely conical, glandular-papillose; limb leathery, strongly oblique and two-lipped, with prominent, netted veins. Upper lip slightly longer, lanceolate, ending in a long spine; lower lip approximately semicircular to pentagonal, bearing seven unequal spines. Corolla white, projecting beyond the calyx.
الثمار والبذور
Fruit: Nutlets three-angled, truncate at the summit, as described in Mouterde’s generic account.
الموائل والبيئة
Habitat & elevation: Roadsides and waste ground, chiefly in the Mediterranean zone. Mouterde gives no numerical elevation range.