Coreopsis gigantea (Giant Coreopsis) is a woody perennial plant native to California and Baja California. The stem is a trunk 1-2 m tall, 4-10 cm diameter. Bright green leaves and flowers are on the top of the trunk, the rest of the trunk is bare. The flowers are yellow, daisy-like, 6-20 cm. It is summer deciduous, leaving a bare trunk in summer.
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