General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Dry
Soil pH Preferences: Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 15 inches
Flowers: Inconspicuous
Flower Color: Yellow
Flower Time: Summer
Late summer or early fall
Fall
Underground structures: Rhizome
Miscellaneous: Monoecious
Endangered
Conservation status: Endangered (EN)

Conservation status:
Conservation status: Endangered
Image
Common names
  • South Texas Ambrosia
  • Rio Grande Ragweed

Photo Gallery
Location: San Antonio Botanical Garden, San Antonio, Texas
Date: 2022-04-04

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