Stems single to several, slender, ascending or decumbent, frequently branched below, 10-30 cm tall, spreading hirsute and minutely hispid. Basal leaves short petiolate, spatulate to narrowly oblanceolate, 1.5-6.5 cm × 3-14 mm, hispid, hairs discoid at base; stem leaves sessile, ovate to narrowly elliptic, smaller. Cymes axillary or extra-axillary, to 15 cm; bracts ovate to lanceolate, 0.5-3 cm. Pedicel 1.5-4 mm. Calyx ca. 3 mm; lobes narrowly elliptic to ovate-lanceolate, pubescent, apex obtuse. Corolla light blue or white, ca. as long as calyx; tube ca. 2/3 as long as limb; throat appendages linear, ca. 1 mm, apex truncate or emarginate; limb ca. 2 mm wide; lobes slightly spreading, obovate to suborbicular. Anthers broadly ovate, ca. 0.4 mm. Nutlets 4, black-brown, ca. 2.5 mm, margin of outside layer of disc pale, teeth inflated at apex and incurved, margin of inside layer distinctly inwardly constricted. Fl. and fr. Apr-Jun.
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