Helianthella castanea

Helianthella castanea

Diablo helianthella

Sunflower

  • Perennial found in Bay area
  • On grassy slopes
  • Long narrow spear shaped leaves grow in clumps
  • Bright yellow flowers over 2 inches in diameter
  • Rare, but more occurrences than formally thought
  • Found in Bay hills, Diablo and Hamilton sections

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