Stems stout, often inflated at base, 5-20 cm. tall, simple or sparingly branched, sharply 4-angled or narrowly 4-winged, increasingly glandular-pubescent above; leaves sessile, broadly ovate to subrotund, 5-10 mm. long, subcordate and clasping at base, entire to remotely denticulate or the uppermost glandular-ciliate, obscurely 5-to 7-nerved; pedicels 2-3 mm. long, glandular-pubescent; hypanthium cam-panulate, 2-2.5 mm. long, glandular-pubescent; sepals triangular-lingulate, 2.5-3 mm. long, obtuse, glandular-pubescent; petals obovate, 4 mm. long; filaments 2.6 or 2.2 mm. long; anthers narrowly oblong, 1.8 or 1.2 mm. long, the larger declined, the smaller erect; connective of the larger anthers horizontal, nearly 1 mm. long, with two erect, flattened, completely separate, obtuse appendages 0.8 mm. long; connective of the smaller anthers short, straight, with two rounded basal tubercles.
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