Jepson Flora Project: Jepson Interchange    
 

The Jepson Manual: Higher Plants of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


Key to JUNIPERUS

N.B.: couplets are linked, e.g., 1. is linked to 1'.

  1. Leaf needle- or awl-like, sub-erect to spreading but not appressed; pollen, seed cones axillary; shrub < 1 m (sect. Juniperus)
J. communis
  1' Leaf generally scale-like, closely appressed; pollen, seed cones terminal; tree or shrub > 1 m (sect. Sabina)
 
    2. Seed cone maturing blue-black; tree 5–15 m
J. occidentalis
      3. Bark red-brown; leaves generally whorled in 3's; generally dioecious; High North Coast Ranges, High Sierra Nevada, San Gabriel Mountains, San Bernardino Mountains, Desert Mountains
var. australis
      3' Bark brown; leaves opposite or whorled in 3's; generally ± monoecious; High Cascade Range, Modoc Plateau
var. occidentalis
    2' Seed cone maturing red-brown; shrub or tree 1–8(10) m
 
      4. Leaf gland obvious; trunks several at base; dioecious; mostly California Floristic Province
J. californica
      4' Leaf gland obscure; trunk generally 1 at base; monoecious; mostly not California Floristic Province
J. osteosperma


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