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1. Smallanthus uvedalia (Linnaeus) Mackenzie in Small, Man. S.E. Fl. 1509. 1933.
包果菊 bao guo ju
Osteospermum uvedalia Linnaeus, Sp. Pl. 2: 923. 1753; Polymnia uvedalia (Linnaeus) Linnaeus.
Herbs, perennial, 1-3 m tall. Stems erect and hollow, purple spotted. Leaves opposite, sessile or with broad conspicuous wings to base of petiole; petiole 3-12 cm; blade ovate to deltate, 10-35(-60) × 10-35 cm, usually palmately 3-5-lobed. Capitula clustered in loose leafy cymes; phyllaries 4-6, ovate to ovate-lanceolate, 10-20 × 10-12 mm. Ray florets 7-13, female, fertile, lamina yellow, 12-30 mm. Achenes 5-6 × ca. 4 mm. Fl. Jun-Aug(-Oct). 2n = 32.
Thickets, fields. Naturalized in Anhui and Jiangsu [native to Central and North America].
Known as yellow-flowered leaf-cup, this species is primarily a weed of pastures, hay fields, hedgerows, and roadsides in North America.
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