Linaria microsepala A. Kerner, Sched. F1. Exsicc. Austro-Hung. 1: 50 (1881).
Perennial, glabrous except for sparsely glandular-puberulent inflorescence; fertile stems 1-several, 35-75 cm, erect, usually branched above; sterile stems not seen. Leaves 15-40 (-55) x 1-3.5 (-7) mm, the length (8-) 10-20 x breadth, linear, acute to obtuse, flat, attenuate, the uppermost alternate, 3- to 6-verticillate below. Inflorescence with numerous flowers, dense in flower, lax in fmit. Bracts 1-2.5 mm, linear, acute. Pedicels erect, 0.5-1.5 mm in flower, 1.5-2 mm in fruit. Calyx-lobes 1.3-2 x 0.5-0.7 mm, oblong, obtuse. Corolla 9-10 mm, purple; tube 2.5-3 mm broad; adaxial lip sinus 0.5-1 mm; abaxial lip sinus 0.8-1 mm; spur 2-4.2 mm, 0.8-1.2 mm broad at base, straight, acute, much shorter than rest of corolla. Capsule 2.5-3 x 2.1-2.7 mm, cordate to subglobose, emarginate, glabrous. Seeds 0.7-0.9 mm, crescenti-trigonous to irregularly tetrahedral, black; longitudinal marginal ridges 0.03-0.05 mm high, poorly developed, rounded, the intervening faces coarsely tuberculate or with short, anastomosed ridges; periclinal wall of testa cells tabular or tabular-convex, rugulate or reticulate, papillae absent. Modified from Sutton (1988).
Type: JUGOSLAVIA: Dalmatia; in locis arenosis apricis ad Clissam Pichler 158 (holo. W?, iso. BM! E! JE! K!).