Linaria joppensis Bornm., Verh. Zool.-Bot. Ges. Wien 48(9): 612 (1898).
Annual, glandular-pubescent in inflorescence, glabrous below; fertile stems 1-3 (-8), 5-34 mm, simple or sparingly branched; sterile stems sometimes present, 0-5. Leaves of fertile stems 16-27 (-36) x 1-1.7 (-4) mm, linear to linear-oblong, acute or obtuse, flat, opposite or 3-verticillate below, alternate above; leaves of sterile stems linear-oblong, acute, 3-verticillate. Inflorescence with 3-20 flowers, dense in fiower, usually dense in fruit. Bracts 2-6 mm, linear, acute. Pedicels 0.5-2 mm in flower and fruit, erect. Calyx-lobes more or less equal, 2.5-3 x 0.50.7 mm, linear, acute. Corolla 13-18 mm, violet with white palate; tube 2-2.5 mm broad at mouth, adaxial lip sinus 1.5-2 mm; abaxial lip sinus 0.8-1.3 mm; spur 7.5-12 mm, 1-1.5 mm broad at base, straight, shorter than or scarcely exceeding rest of corolla. Capsule 3-4 x 2.8-3.5 mm, oblong-ovoid, glabrous. Seeds 0.4-0.7 mm, strongly reniform or somewhat hippocrepiform, the margins rounded or obtuse, without longitudinal ridge, the faces tuberculate or with short ridges, whitish-grey; hilum median, narrow; periclinal wall of testa-cells tabular or tabular-convex, verrucate or rugulate, that of cells from interstices and base of tubercles or ridges usually with small median or marginal papilla. Modified from Sutton (1988).
E Mediterranean region (W Israel). Ij.
Type: ISRAEL: bei Wadachnin zwischen Asdod [Ashdod] und Jaffa, 9 iv 1898 Bornmüller 1207 (not located).
L. joppensis is similar to L. haelava but is generally a taller, more erect plant and the smaller violet flowers have a relatively short spur. The seeds are unusual in the strongly reniform outline and median hilum.