Succisella

Fura, Inês, Covelo, Filipe, Sales, Fátima & Farminhão, João, 2025, Disentangling the taxonomy of Succisella (Caprifoliaceae, Dipsacoideae) in the Iberian Peninsula: an updated synopsis and conservation priorities, Phytotaxa 690 (2), pp. 189-211 : 194

Key to the Succisella of the Iberian Peninsula

1. Stolons prostrate, cauline leaves pinnatifid to pinnatisect; outermost involucral bracts triangular-ovate to deltoid........................... ............................................................................................................................................................ Succisella microcephala Willk.

- Stolons ascending, cauline leaves repand to remotely serrate; outermost involucral bracts narrowly triangular, narrowly triangular-ovate to ensiform ................................................................................................................................................................................2

2. Stolons long, with flowering and overwintering rosettes distantly spaced; fertile stems hairy along the basal third; tube of the epicalyx with appressed hairs, the corona shortly exceeding the calyx plateau................... Succisella carvalhoana (Mariz) Baksay

- Stolons short, with flowering and overwintering rosettes closely spaced; fertile stems glabrous to glabrescent along the basal third; tube of the epicalyx with erect-patent hairs, the corona largely exceeding the calyx plateau.............................................................. ................................................................................................................................ Succisella andreae-molinae Pajarón & Escudero