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Image of Thick-Leaf Ragwort
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Thick Leaf Ragwort

Senecio crassulus A. Gray

Description

provided by eFloras
Perennials, (15–)20–50(–70) cm (rhizomes branched, ± woody). Herbage glabrous. Stems 1–(2–4). Leaves (thickish-turgid) progressively reduced distally; petiolate; blades broadly lanceolate to subelliptic, 2.5–15 × 1–5 cm, bases tapered, margins sharply dentate to subentire (some teeth callous; mid leaves sometimes larger than proximal; distal leaves sessile, smaller, often clasping). Heads (1–)4–12 in corymbiform arrays. Calyculi of (1–)3–6 linear to filiform bractlets (lengths to 1 / 3 phyllaries). Phyllaries (± 8) ± 13 or ± 21, 5–9 mm, tips black (villous). Ray florets ± 8 or ± 13; corolla laminae 5–12 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
bibliographic citation
Flora of North America Vol. 20: 546, 547, 551 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Senecio lapathifolius Greene; S. semiamplexicaulis Rydberg
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 546, 547, 551 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras