Senecio soldanella

(Colorado Ragwort)

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Senecio soldanella, Mt. Antero, Chaffee Co. 6128

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Senecio soldanella, Mt. Antero, Chaffee Co. 6138

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Senecio soldanella, Mt. Antero, Chaffee Co. 6158

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Senecio soldanella, Black Powder Pass, Summit Co. 1528

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Senecio soldanella, Mt. Antero, Chaffee Co. 6161

Scientific Name Senecio soldanella USDA PLANTS Symbol SESO
Common Name Colorado Ragwort ITIS Taxonomic Serial No. 36183
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Alpine (11200 to 14000 ft.); talus, tundra, rocky areas.
Plant: Short perennial 2 to 8 inches tall, succulent-looking plant; may have purplish stems.
Leaves: Mostly basal, green or purple-tinged, obovate to ovate, 3/4 to 2 inches long, with long petioles; edges may have small teeth.
Inflorescence: Single, composite flower heads about an inch across, with about 13 short yellow rays; relatively large center with many darker yellow disk florets.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and others.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County