Warnock, M: Phytologia, Vol. 71

Excerpt from Phytologia, Vol. 71: November, 1991

Perennial herbs ca. M tall; stems and leaves completely glabrous, eg landular. Leaves opposite, the cauline linear-lanceolate, 7-10 cm long mm wide, the basal oblanceolate to spatulate, 10-12 cm long, the blades 10-22 mm wide. In¿orescence a thyrse of ca. 8 verticillasters, apparently not secund, the cymes 2-3 ¿owered on peduncles 2-4 cm long and pedicels 1-2 cm long; sepals greenish, glabrous, ovate-deltate-acuminate with denticulate-serrulate margins, lightly striate, the lobes 6-7 mm long; corollas purple, ventrally whitish, with dark purple stripes running onto the lower lip, glabrous out side, lightly bearded on the palate and proximal portions of the lower lobes, 27-30 mm long, tubular, slightly ventricose, apparently without prominent ventral grooves, ca. 5-6 mm wide at the throat, strongly bilabiate, the upper lobes 7-8 mm long, the lower lobes 6-7 mm long and strongly re¿exed; fertile stamens definitely exserted from the corolla tube, the anther sacs densely and minutely papillate, widely divergent, 4 mm long from tip to tip, dehiscent from the distal ends, leaving the proximal third of each sac indehiscent and often slightly gibbous, the suture margins smooth; staminode distinctly papillate at the apex, ca. 2/ 3 the length of the fertile stamens. Mature fruits not seen. Known only from the type collection.

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