Senecio ser. Hualtatini, Candolle, 1838

Salomón, Luciana, Sklenář, Petr & Freire, Susana E., 2018, Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America, Phytotaxa 340 (1), pp. 1-47 : 33

Key of the species of Senecio ser. Hualtatini with few capitula and involucre 8–15 mm high

1. Plants glabrous or lanuginose; capitula radiate.................................................................................................................................2.

- Plants lanose; capitula discoid...........................................................................................................................................................3.

2. Ligulate corollas yellow ........................................................................................................................................ S. tacuaremboensis

- Ligulate corollas lily-colored or violaceous........................................................................................................................ S. pulcher

3. Leaf blade ovate to subcircular, petiolate; phyllaries 18–20; calycular bracts 6–10; corolla lobes ca. 1 mm ................ S. candidans

- Leaf blade ovate-spathulate or oblanceolate-spathulate, attenuate at base in a long pseudopetiole; phyllaries 24–36; calycular bracts 10–16; corolla lobes ca. 0. 7 mm ................................................................................................................................ S. gilliesii