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    THIS PAGE IS NO LONGER UPDATED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 IPOMOPSIS

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

  1. Inflorescence of lateral clusters on 1 side of axis
 
    2. Calyx lobes long-tapered, hairy; corolla generally white to lavender, tube 25–45 mm
I. tenuituba
    2' Calyx lobes deltate to acuminate, sparsely hairy; corolla generally red, tube 10–30 mm
 
      3. Corolla tube 10–20 mm; anthers included in tube; Desert Mountains
I. arizonica
      3' Corolla tube 20–30 mm; anthers included in throat or exserted; widespread
I. aggregata
        4. Pollen blue; cauline leaf lobes blunt to rounded
subsp. bridgesii
        4' Pollen generally white or yellow; cauline leaf lobes acute
subsp. formosissima
  1' Inflorescence not 1-sided; terminal, open, and few-flowered, or head-like and bracted, or flowers solitary in lower axils
 
    5. Corolla 15–28 mm, red
I. tenuifolia
    5' Corolla generally < 10 mm, white to deep pink
 
      6. Perennial
I. congesta
        7. Leaf pinnately lobed
subsp. congesta
        7' Leaf palmately lobed
 
          8. Leaf lobes generally 3; stem < 1 dm; alpine
subsp. montana
          8' Leaf lobes generally 5; stem 1–3 dm; montane
subsp. palmifrons
      6' Annual
 
        9. Corolla deep pink or white mottled with pink; stamens exserted
I. effusa
        9' Corolla generally white; stamens generally including
 
          10. Leaves entire to slightly toothed, linear to elliptic; lower flowers 1–3 in axil
I. depressa
          10' Leaves generally pinnately lobed, generally oblanceolate; flowers terminal
I. polycladon


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