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Annual or possibly perennial herbs, 25–30 cm. tall, erect or ascending; stem branched or simple, terete, sparsely to densely white, fine hispid intermixed with minute glands.
Corolla blue; tube 9.5–10.5 mm. long, glabrous, c. 1 mm. wide at base, widening to 2.5–3 mm. at throat; limb 9–14 mm. in diam.; lobes c. 6 x 4.5–5 mm., rotund-obovate.
Calyx 5.5–6 mm. long, laxly patent white hirsute, 5-lobed, 10-nerved; lobes 1–1.8 mm. long, narrowly triangular, acute.
Capsule c. 4.8 x 2 mm., cylindric-ovoid, truncate, shortly rostrate.
Bracts 3–4 x 1–1.5 mm., ovate-lanceolate, acute, hirsute, ciliate.
Inflorescence spicate with spikes 5–9 mm. long at fruiting.
Bracteoles 2.5–3 x 0.5 mm., linear.
