Geranium carolinianum (Carolina Crane's-Bill)

This project collects observations of Geranium carolinianum (Carolina Crane's-Bill) in California for the purpose of facilitating identification and preventing misidentification of this species in iNaturalist.

Geranium carolinianum is a species of flowering plant in the geranium family (Geraniaceae) known by the common names: Carolina geranium or Carolina crane's-bill.

Photo tips:

  • It’s important to get a picture of the entire plant.
  • It's also helpful to get close-up pictures of the face of the flowers, sepals, leaves, and fruits, if present.
  • If there are multiple plants in the picture, it’s helpful to crop your photo to focus on the plant of interest.

How to identify Geranium carolinianum:

  • The plant has erect stems covered in spiky hairs. The color of the stem is typically pink to red.
  • There are two leaves per node on each stem (opposite leaves).
  • The flowers form short tight clusters which grow off the main stems.
  • The inflorescence a short, tight cluster of one to several small flowers that grow off the main stems. The five petals are notched and rounded and come in shades of white, light pink, and lavender. G. carolinianum has the lightest flower color of all the small Geraniums.
  • Each flower has five pointed sepals which can be as long as the petals. The carpels have hair and are fused together.
  • Red pointed stipules and the tendency for the bracts to turn reddish in fruiting state. Pointed red stipules at the base of the petioles and branch axils.
  • Habitat: streambanks
  • Communities: Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities)


Similar species:

  • Geranium pusillum (Small-flowered Crane’s Bill)
  • Geranium dissectum (Cur-leaved Crane’s Bill)
  • Geranium maculatum (Wild Geranium)
  • Geranium molle (Dove’s-foot Crane’s Bill)


Posted by truthseqr truthseqr, January 14, 2022 14:06


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