Plains Rosinweed - Entire Leaf Rosinweed
Silphium integrifolium

Asteraceae (Composite Sunflower) Family

Plant is an upright perennial with a rhizome from which new growth emerges. Preferred habitat is rocky woods, prairies and edge of pine woods. Distribution is throughout the Escambia region.

Leaves are opposite on the stem but occasionally alternate; no leaf stalks (often clasping); egg-shaped to lance-like; occasionally scattered teeth but no lobes.

Flowers are a cluster of heads at the end of the flowering stem; symmetrical in shape. Disc flowers are sterile; dark brown. Ray flowers are numerous and bisexual. Petal tip is notched; yellow. Flowers occur in the summer.

Fruit is achene.

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