Angiosperms: Dicotyledons
Asteraceae
Daisy Family
Cut-leaved goldenrodMachaeranthera spinulosa Greene
Haplopappus spinulosus (Pursh) DC.
- Stem: perennial; 1’ to 2’ tall; often several stems from the single root crown; fine, short hairs.
- Leaves: alternate; deeply, pinnately lobed; 1” by 3/8” overall; tiny chordate bases; few hairs above and below.
- Inflorescence: branching flower stalks from stem tip and upper leaf axils; corymbiform.
- Heads: yellow rays, 3/8” long; head 1” across; yellow disk flowers; fillaries 1/4” long with a green diamond at the tip; flowering from late June to mid-August.
- Fruits: “seeds” (fruits) 3/32” long, hairy; plumes 1/4” long; fruiting begins in late July.
- Habitat: frequent on dry, rocky prairies and Loess Hills prairies.
- Bibliography from Biodiversity Heritage Library
- Vascular Plants of Iowa
Can be found in these counties: