Comments
provided by eFloras
Senecio wootonii reaches its southern limit in Coahuila and Chihuahua, Mexico; farther south, it is replaced by S. toluccanus de Candolle, a similar, larger, more robust species.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Perennials, (15–)20–45(–60) cm (caudices erect or weakly spreading). Herbage nearly always glaucous, glabrous. Stems single or clustered. Leaves (thickish and turgid) progressively reduced distally; petiolate; blades ovate or obovate to lanceolate, 4–9(–15+) × 1.5–3(–4+) cm, bases tapered, margins wavy or subentire (often with callous denticles; mid and distal leaves sessile, bractlike). Heads (3–)8–24+ in corymbiform arrays. Calyculi of 1–3+ oblong to lance-linear bractlets (less than 3 mm). Phyllaries ± 13 (± 21), 6–9 mm, tips green to brownish (not blackened). Ray florets 8–10; corolla laminae 4–10 mm. Cypselae glabrous. 2n = 40.
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- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA