Gamochaeta pensilvanica
Family: Asteraceae
Plant Description: Annual to 30 cm or higher with grayish leaves 2-7 cm long, wooly, alternate, oblanceolate. Heads in spikes or panicles mostly obscured by woolly hairs, 3-4 mm long, in leaf axils, discoid, gray-green or yellowish; ray flowers absent.
Plant Trivia: Native of S. America. Obscures the characteristics of the family.
Field Identification: Gray woolly covering calls attention to this species.
Occurrence: Occurs on various soils in prairies, openings, wase places, and fallow fields.
Bloom Period: Feb – May
Plant Use:
Key to the species of Gamochaeta:
- Leaves white beneath, not silky-hairy………………………………….G. purpurea
Leaves silky-hairy beneath…………………………………………………………………………2
2. Lower and middle leaves 2-6 mm wide…………………………………..G. falcata
Lower and middle leaves 7-15 mm wide………………………G. pensilvanica
stxflora 