Scrophularia scopolii Hoppe ex Pers., Syn. Pl.

Uzunhisarcikli, M. Erkan, Güner, Ebru Doğan & Ekici, Murat, 2018, Synopsis of the genus Scrophularia (Scrophulariaceae) in Turkey, Phytotaxa 333 (2), pp. 151-187 : 160

15. Scrophularia scopolii Hoppe ex Pers., Syn. Pl. 2: 160 (1806)

1. Cymes erect-divaricate or horizontally divaricate..............................................................................................................................2

- Cymes erect, not divaricate................................................................................................................................................................4

2. Plant villous‒lanate hairy ...................................................................................................................................... 15c. var. smyrnaea

- Plant glabrous.....................................................................................................................................................................................3

3. Leaves ovate, deeply dentate............................................................................................................................. 15b. var. nusairiensis

- Leaves ovate‒oblong, doubly crenate‒dentate......................................................................................................... 15a. var. scopolii

4. Calyx lobes glabrous..........................................................................................................................................................................5

- Calyx lobes sparsely or densely glandular hairy................................................................................................................................6

5. All leaves opposite, capsules with 2‒2.5 mm beaks ................................................................................................ 15a. var. scopolii

- At least lower some leaves alternate, capsules attenuate beaks (beak more than 3 mm).................................15d. var. longirostrata

6. Plant branched, longer than 45 cm .....................................................................................................................................................7

- Plant unbranched, up to 45 cm .................................................................................................................................... 15f. var. parryi

7. Alar pedicel 4‒7 mm, scarious margin dark brown, 0.5‒0.6 mm broad .............................................................15e. var. adenocalyx

- Alar pedicel 10‒11 mm, scarious margin white, 0.2‒0.3 mm broad.................................................................. 15g. var. burdurensis