Solenopsis

Brullo, Cristian, Brullo, Salvatore & Galdo, Gianpietro Giusso Del, 2013, Solenopsis mothiana (Campanulaceae), a new species from Sicily, Phytotaxa 145 (1), pp. 15-26 : 25

Key to the taxa of Solenopsis

1. Corolla white, 3–3.5 mm long, with lobes sub-connivent ........................................................................... S. mothiana

- Corolla totally lilac to bluish or often white in the throat, (3.5) 4–12 mm long, with lobes always divaricate-patent .. ...................................................................................................................................................................................... 2

2. Stem erect, all leaves cauline ........................................................................................................................................ 3

- Stemless, all leaves in basal rosette arranged ............................................................................................................... 4

3. Corolla 9–10 mm long, bluish at margin and white in the throat, with lateral lobes rounded and papillae up to 0.3 mm long .......................................................................................................................................................... S. bicolor

- Corolla (3.5) 4–6 mm long, totally bluish, with lateral lobes acute and papillae max 0.12 mm long ........... S. laurentia

4. Leaves deeply and irregularly lobed, corolla papillae max. 0.12 mm long ................................................. S.balearica

- Leaves entire or sometimes weakly crenate to inconspicuosly undulate, corolla papillae more than 0.12 mm long .. 5

5. Leaves glabrous ............................................................................................................................................................ 6

- Leaves hispidulous........................................................................................................................................................ 7

6. Leaves ovate to suborbicular, with lamina 2–8 x 1.5–7 mm, petiole 4–11 mm long, corolla 5–6.5 mm long............... ................................................................................................................................................................. S. antiphonitis

- Leaves spathulate, with lamina (8)15–45 x 6–14 mm, petiole 12–50 mm long, corolla 7.5–12 mm long. S. bivonae

7. Corolla 4–6 mm long, capsula 2–2.5 mm long ............................................................................................... S. corsica

- Corolla (5) 6–8.5 mm long, capsula 1.75–2 mm long ...................................................................................................8

8. Perennial, bracteoles up to 6 mm, seeds 0.30–0.35 x 0.15–0.18 mm ....................................... S. minuta subsp. minuta

- Annual, bracteoles max 3.5 mm long, seeds ca. 0.5 x 0.25 mm ................................................ S. minuta subsp. annua