1. Solenopsis bivonae (Tineo) M.B.Crespo, Serra & A.Juan, Pl. Syst. Evol. 210(3-4): 219. 1998.

Lobelia bivonae ≡ Lobelia bivonae Tineo, Cat. Pl. Hort. Reg. Panorm.: 279, 1827.

Laurentia bivonae ≡ Laurentia bivonae (Tineo) Pignatti, Giorn. Bot. Ital. 111:54, 1977.

Lobelia tenella ≡ Lobelia tenella Biv., Sic. Pl. Cent. I: 53. 1806, non L., Mantissa Alt.: 120, 1771.

Laurentia tenella ≡ Laurentia tenella A. DC., Prodr. 7(2): 410, 1839, p.p.

Solenopsis laurentia tenella ≡ Solenopsis laurentia subsp. tenella (A. DC.) O. Bolòs et al., Fl. Manual Paisos Catalans: 1215. 1990, p.p.

Laurentia gasparrinii tenella ≡ Laurentia gasparrinii (Tineo) Strobl subsp. tenella (A. DC.) O. Bolòs & Vigo, Collect. Bot. (Barcelona) 14:102, 1983, p.p.

Solenopsis bivonaeana ≡ Solenopsis bivonaeana C. Presl, Prodr. Mon. Lobel.: 32. 1836, p.p.

Type.

Lobelia 33* Lobelia tenella Bivona, Cent. 1. p. 53. n. 58. Ad margines fluminis Oreti, Bivona Bernardi (lectotype: BM, designated by Crespo et al. 1998).

Description.

Perennial herb, acaulescent, rosulate, with 2-12.5 cm in diameter, provided with fibrose slender roots. Leaves 10-100 mm long, oblanceolate to spathulate, with blade entire or weakly crenate, glabrous, 4-40 × 2-15 mm, with petiole 3-60 mm long. Floral pedicels 2-11 cm, 2-3 times longer than leaves, with 1-2 bracteoles, 1.8-5.5 mm long, 0.1-0.7 mm wide, with glands at the margin. Calyx 3-5 mm long, with linear-lanceolate lobes, 2-4 mm long. Corolla 8.5-14.5 mm long, bilabiate, with tube 3.5-5 mm long, 0.9-1.5 mm in diameter; upper lip with two lobes linear-lanceolate, 3-6 mm long, 1.2-2.4 mm wide, bluish-lilac to dark lilac; lower lip trilobed, 5-9 mm long, widely edged in bluish-lilac and irregularly white in the central part until the base, covered by papillae in the ventral face. Stamen filaments free, 4-5.5 mm long, anthers violet, connate into a tube 1.4-1.9 mm long, wholly encapsulating the stigma; the two lower anthers are smaller, each appendiculate at the top with a tuft of hairs, closing a narrow fissure; the three upper anthers are curved. Ovary fused with the calyx tube; style whitish, 4-7 mm long; stigma pale lilac, bifid, papillate, with a ring of hairs just under the base. Capsule 1.6-3 mm long. Seeds more or less ellipsoid, shining, 0.40-0.50 × 0.2-0.3 mm.