The Jepson Manual: Higher Plants of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


Key to ABRONIA

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

  1. Perianth yellow or wine-red — leaf fleshy; seashore
 
    2. Leaf blade ± as long as wide; flower yellow
A. latifolia
    2' Leaf blade longer than wide; flower wine-red
A. maritima
  1' Perianth white, pink, or magenta
 
    3. Stems densely tufted or in mats < 20 cm wide; montane perennial herb
 
      4. Inflorescence 1–5 flowered; plant mat-forming; leaves cauline, blade ± round; fruit wing 0
A. alpina
      4' Inflorescence many-flowered; plant densely tufted; leaves basal, blade oblong to ± round; fruit winged
A. nana subsp. covillei
    3' Stems elongate, aboveground; generally desert or seashore annual or perennial herb
 
      5. Fruit wings 0; thick, prominent angles present or not; ovary chamber extends into angle
 
        6. Perianth white to pale magenta; fruit angles generally 5, inflated and flat on top
A. turbinata
        6' Perianth generally bright pink; fruit smooth or with few low ridges
2 A. villosa var. villosa
      5' Fruit with 2–5 thin, conspicuous wings; ovary chamber does not extend into wing
 
        7. Fruit wings generally 2; fruit outline broadly cordate
A. pogonantha
        7' Fruit wings generally 3–5; fruit cordate, obconic, or ovoid
 
          8. Leaves thin, widely scalloped; fruit beak inconspicuous, not hardened
A. gracilis
          8' Leaves thin or thick, ± entire; fruit beak evident, hardened
 
            9. Fruit body ± smooth; immediate coast
A. umbellata
              10. Perianth light to dark magenta, inflorescence ± hemispheric; fruit wings broadly rounded
subsp. umbellata
              10' Perianth light magenta to ± yellow; inflorescence sparse; fruit wings angled near tip
subsp. breviflora
            9' Fruit body with prominent raised veins (most evident near tip); ± inland
A. villosa
              11. Fruit wings pronounced, exceeding top of fruit body; flower generally> 20 mm
var. aurita
              11' Fruit wings 0 or not exceeding top of fruit body; flower generally < 20 mm
var. villosa


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