Smallanthus uvedalia
This tall, coarse perennial has hairy stems, enormous lobed leaves forming a cup around the stem, and bright yellow flowers that attract many butterflies and bees, and is native to moist, shaded woodlands across the eastern United States.
Common Names
Bear's Foot, Hairy Leafcup, Yellow Flower Leafcup, Yellow Leafcup
Summary
Smallanthus uvedalia, commonly known as Bear’s-foot or Hairy Leafcup, is a tall, coarse perennial in the Asteraceae native to North America, especially the eastern United States, reaching about 3–8 feet in height with stout hollow stems and large opposite leaves that are palmately lobed, giving a bear-foot appearance, with yellow flower heads consisting of 7–13 ray florets surrounding 40–80 disc florets, blooming from July to September and attracting bees and butterflies, in cultivation it prefers full sun to partial shade and moist, well-drained soils, tolerates a range of textures from clay to loam, suitable for back borders, woodland edges, and naturalized areas, its tall habit may require staking in windy sites, propagation can be by division (best in early spring) or by seeds, hardiness generally falls within USDA zones 5–9, ethnobotanical uses include root tinctures as a stimulant and laxative and hair-tonic applications, historically roots have been used to treat rheumatism, swellings, and skin sores
Lifecycle
Perennial
Height
3-10 feet
Spread
4-14 inches
Hardiness Zones
Zones 6a-9b
Sunlight Requirements
Ideally full Sun, tolerates partial sun to partial shade, sources describe Smallanthus uvedalia as a generalist with no strong preference for light
Soil Type
No single ideal soil type; tolerates a broad range from base-rich calcareous and damp, deep, rich, well-drained soils to clay, loam, silt, or sand, with soils that remain moist in summer.
Soil Drainage
Well-drained soil
Soil pH
Slightly acidic to mildly alkaline soils
Bloom Color
Yellow
Bloom Time
Summer (June–September)
Foliage Color
Green
Fall Foliage Color
Green
Leaf Lifecycle
Deciduous
Growth Rate
Fast
Seasons of Interest
Summer and Fall
Propagation Methods
Seeds, Basal cuttings, Division
Attracts Wildlife
Attracts bees, butterflies, other pollinators, and birds
Taxonomy
- Taxonomic Rank
- Species
- Author
- (L.) Mack.
- Publication
- Man. S.E. Fl. [Small] 1406. 1933 [30 Nov 1933]
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Asterales
- Family
- Asteraceae
- Subfamily
- Asteroideae
- Tribe
- Millerieae
- Subtribe
- Espeletiinae
- Genus
- Smallanthus
Synonyms
Osteospermum uvedalia Polymnia uvedalia var. densipilis Polymnia uvedalia var. uvedalia Polymnia uvedalia var. floridana Polymniastrum uvedalia Polymnia uvedalia