Status: Native
Synonyms:
Helianthus crenatus Jackson
Helianthus laciniatus is a rhizomatous perennial sunflower with about 20 ray flowers and obscurely glandular, toothed leaves. The rays are yellow and the disc purplish. The herbage is pubescent. H. laciniatus was found by Jonathan & Priscilla Titus in Santa Clara in a vacant lot.
Thanks Jon & Priscilla for letting us use your pix!
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Helianthus laciniatus, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, habit, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, capitulum, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, involucre/phyllaries, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, capitulum, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, leaves, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, leaves, photo Jonathan & Priscilla Titus, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, floret with pappus of 2 aristate scales, photo Russ Kleinman, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, leaf surface with gland dots, photo Russ Kleinman, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, leaf surface with gland dot, photo Russ Kleinman, Grant County, Santa Clara in a vacant lot, November 18, 2025
Helianthus laciniatus, gland dotted phyllary with ciliate margins, photo Russ Kleinman, Grant County, Santa Clara in a vacant lot, November 18, 2025
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