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.
Plant Trivia:
Field Identification:
Occurrence: Frequent on sandy soils in pastures, woods, prairies, old fields, waste places, and along roadsides.
Bloom Period: April – December
Plant Use:
Key to species of Helianthus:
- 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
stxflora 