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 CONVOLVULACEAE

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

  1. Leaf < 1 cm, ± sessile, ± elliptic; stem not twining
 CRESSA (no key)
  1' Leaf generally > 1 cm, generally petioled, blade generally reniform, hastate, or deeply lobed (sometimes oblanceolate); stem often twining
 
    2. Stigma 1, head-like
 IPOMOEA
    2' Stigmas 2, ± linear
 
      3. Densely matted herb; ovary generally ± 2-lobed; styles 2
 DICHONDRA
      3' Tufted or twining herbs; ovary not lobed; style 1
 
        4. Calyx > 7 mm; corolla generally > 3 cm; stigma lobes cylindric or oblong, ± flattened
 CALYSTEGIA
        4' Calyx < 5 mm; corolla < 3 cm; stigma lobes cylindric or thread-like, not flattened
 CONVOLVULUS

Go to the Manual index page for CONVOLVULACEAE
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