Isatis biscutellifolia Boiss. & Buhse

AL-Shehbaz, Ihsan A. & Barriera, Gabrielle, 2019, Typification of Edmond Boissier’s Cruciferae (Brassicaceae) names enumerated in Flora Orientalis, Boissiera 72, pp. 1-193 : 161

Isatis biscutellifolia Boiss. & Buhse in Nouv. Mém. Soc. Imp. Naturalistes Moscou 12: 28. 1860.

Type: “Gebirge bei Jesd, Deh ballo, 24 Aprii 1849 (florens et fructifera). Zwischen Isfahan und Kaschan im Gebirge bei Ssoffi, 21 Mai 1849 (fructu immaturo). [Buhse] No 1367 et 1430. Provinz Aderbidschan: Pl. exs. Aucherianae No 4138, A”.

Lectotypus (designated here): IRAN: sine loco, s.d., Buhse 1430 ( G-BOIS [ G00332608 ]; isolecto-: LE [ LE00012910 ], P [ P00741420 ]) . Syntypi: IRAN: “Aderbidjan”, s.d., AucherEloy 4138 A ( BM [ BM001254138 ], G-BOIS [ G00332609 ]) ; sine loco, 1849, Buhse 1367 ( P [ P00741418 ]) .

Notes. – The G-BOIS herbarium has one of the two syntypes of Buhse, and that number is designated here as the lectotype. The label of the isolectotypes have “Deh Ballo bei Jesd” at P without any Buhse number indicated and “1430. Gebirge bei Jesd, 24. April 1849 ” at LE.

Despite being immature, the fruit are rather bizarre for being contorted siliques. As for the Aucher-Eloy syntype, it is in the early flowering stage and almost impossible to assess its identity, though it has longer and denser indumentum than the lectotype which it resembles in leaf shape and size.

The Aucher-Eloy collection is tentatively taken as a syntype. Both duplicates at P are part of the Bunge herbarium.