Physical Setting
Climate
Adaptations
Tucson Plants
Tucson Animals
External Resources
Physical Setting
Climate
Adaptations
Tucson Plants
Tucson Animals
External Resources
PlantsNative TreesNative ShrubsNative CactusesWildflowersOther Plants
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Yellow Spiny Daisy (Machaeranthera gracilis)
yellow spiny daisyDESCRIPTION: Also called Aplopappus or Haplopappus gracilis. Annual to 1'. Flowers with yellow rays and disks to 1.25" wide. Leaves simple, toothed with spiny tip to each tooth. Compositae (Sunflower) Family.
NATURAL HISTORY: Flowers bloom February to December.

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