Leaves
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Leaves membranous, narrowly to broadly ovate, 2.2-5.1 cm long, 1.1-3.9 cm wide, glabrous or lower surface moderately to densely short-pubescent, margins
crenate, apex obtuse or occasionally acute, base truncate to cordate, petioles (4-)7-15 mm long, sparsely pubescent.
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Flowers
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Flowers 6(-10) per verticillaster, pedicels 4-9(-14) mm long, glabrous or occasionally sparsely pubescent; calyx bilaterally symmetrical, tubular or narrowly campanulate, 7-14 mm long, glabrous or rarely pubescent at base, the teeth usually obtuse, 1-3 mm long, 2.5-4 mm wide at base; corolla pink, dark magenta, or purple, rarely white with a faint purple tinge, moderately to densely tomentose distally externally, glabrous within, tube strongly falcate, 22-29 mm long, upper lip 6-11 mm long, lower lip 3-6(-7) mm long.
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