| 1 | Inflorescence 8–15 cm long; pedicel and calyx with simple hairs; calyx teeth subequal, all ± acute | subsp. frutescens |
| – | Inflorescence (8 –)10–30 cm long; pedicel and calyx covered externally with simple and clavate glandular hairs; upper lip of calyx with teeth acute, lower lip longer, teeth acuminate | subsp. macrostachya |
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