Mt. Sheldon Ragwort

Senecio sheldonensis is infrequently collected and poorly understood. The treatment here is provisional.

Perennials, 30–40(–50) cm (caudices branched, fibrous-rooted). Herbage glabrous or with scattered hairs near leaf bases and among heads. Stems single or loosely clustered. Leaves evenly distributed; petiolate or subsessile; blades lanceolate, 4–10 × 2–4 cm, bases ± tapered, margins denticulate (distal leaves sessile, smaller). Heads (1–)3–5(–6) in cymiform arrays. Calyculi of 3–7 bractlets (0.5–3 mm). Phyllaries ± 13, 7–10 mm, tips black (hairy). Ray florets ± 8; corolla laminae ± 10 mm. Cypselae glabrous.

Senecio sheldonensis adalah spesies tumbuhan yang tergolong ke dalam famili Asteraceae. Spesies ini juga merupakan bagian dari ordo Asterales. Spesies Senecio sheldonensis sendiri merupakan bagian dari genus Senecio. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh A.E.Porsild.

Senecio sheldonensis là một loài thực vật có hoa trong họ Cúc. Loài này được A.E.Porsild miêu tả khoa học đầu tiên năm 1950.