| Description | Stiff Leaf Sunflower (Helianthus pauciflorus) is a native plant found growing in medium to dry sites. It can be an aggressive spreader by rhizomes. |
|---|---|
| Pronunciation | (HE-li-an-thus) |
| Plant Type | Perennials Hardy, Wild Flowers |
| Hardiness Zone | 5 |
| Sunlight | full |
| Moisture | prefers medium to dry, more xerophytic than many other sunflowers |
| Flowers | composite flower, borne on long stalks, red-brown or reddish disk, ray flowers deep yellow |
| Fruit | seeds found in 1/4 inch achenes |
| Leaves | simple, opposite, gray to light green, 3-10 inches long, tapering to a short stalk or stalkless |
| Stems | unbranched or sparingly branched toward the apex, rhizomatous and can be aggressive |
| Dimensions | It can grow up to 2-5 feet in height and has the ability to spread quickly through rhizomes in favorable environments. |
| Propagation | seeds, division |
| Native Site | Native prairie plant. |
| Misc Facts | Helianthus from Greek "helios" meaning sun and "anthos" flower. Paciflorous for few flowers. SYN: Helianthus rigidus or H. laetiflorus, AKA: Showy Sunflower, Few Leafed Sunflower, Prairie Sunflower |
| Notes & Reference | #56-Tall Grass Prairie Wildflowers (Doug Ladd),#100-Wildflowers of Wisconsin and the Upper Midwest (Merel Black and Emmet Judziewicz), #140-Prairie Plants of the UW Madison Arboretum (Theodore Cochrane, Kandis Elliot, Claudia Lipke) |
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