| General Information |
| Distribution | Native to tropical Africa, widely naturalized throughout the Old World.In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
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Habit
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Annual herb, 3‒5(‒15) dm tall; stem unbranched or branched above, distal stem and inflorescence strigillose, often densely so.
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Leaves
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Leaves elliptic to oblanceolate or ovate, 5‒18 cm long, 1‒6(‒10) cm wide, pinnately lobed with a large terminal lobe to subentire, margin coarsely and irregularly dentate.
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Flowers
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Heads with involucral bracts 8‒10 mm long; florets red to reddish orange; pappus white, ca. 12 mm long.
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Fruit
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Achenes reddish brown, ca. 2 mm long, sparsely puberulent between the ribs.
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Chromosomes
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2n = 40.
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Contributor
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Nancy Khan
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