Helianthus praecox runyonii
Family: Asteraceae
Plant Description: Annual to 1 m high with triangular-ovate leaves 3-7 cm long. Flower heads solitary, 4.5-6 cm wide. Disks brown or purplish. Rays yellow to orange.
Field Identification:
Plant Trivia:
Occurrence: Frequent on sandy soils in pastures, woods, prairies, old fields, waste places, and along roadsides.
Bloom Period: April – December
Plant Use:
Key to the Genus Helianthus:
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Leaves opposite………………………………………………………..H. ciliaris
Leaves partly or all alternate…………………………………………………..2
2. Leaves white-wooly……………………………………….H. argophyllus
Leaves not white-wooly………………………………………………………….3
3. Outer phyllaries ovate, abruptly pointed…………….H. annuus
Outer phyllaries lanceolate, tapered to a point………………….4
4. Base of leaves cuneate, grossly serrate……...H. grosseserratus
Base of leaves cordate, irregularly serrate…H. praecox runonii
