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|1 Staminode (hidden under the upper corolla lip) yellowish-green (often drying darker), usually wider than long and the tip fan-shaped; leaf serrations coarse, often > 3 mm long; flowering May-early Jul; capsule 6-10 mm long, tapered at the tip, the surface dull at maturity|
|1 Staminode dark purple or brownish, usually longer than wide; leaf serrations fairly fine, < 3 mm long; flowering mid Jul-Oct; capsule 4-7 mm long, broadly tapered at the tip, the surface often shiny at maturity|