Convolvulaceae

• Choose this genus
  Cuscuta

  1a. Plants parasitic, with haustoria, lacking chlorophyll; stems pink-yellow to orange, with scale-like leaves; corolla 1.5–5 mm long [Figs. 589,590,591]
• See list of 3 genera in 1b
  CHOOSE THIS LEAD

  1b. Plants autotrophic, without haustoria, with chlorophyll; stems green or tinged with red, with foliaceous leaves; corolla 15–80 mm long [Figs. 587,592]
  • Choose this genus
    Ipomoea

    2a. Stigma 1, capitate unlobed or with 2 or 3 small lobes; ovary and capsule 2- or 3-locular
  • See list of 2 genera in 2b
    CHOOSE THIS LEAD

    2b. Stigmas 2, filiform or obloid, unlobed; ovary and capsule 1-, 2-, or 4-locular
    • Choose this genus
      Calystegia

      3a. Pedicels subtended by 2 foliaceous bracts that are positioned near and partly conceal the calyx [Figs. 587,588]; corolla 20–70 mm long; stigmas obloid
    • Choose this genus
      Convolvulus

      3b. Pedicels subtended by small bracts that are positioned well below the calyx and do not conceal it; corolla 15–25 mm long; stigmas filiform

Show All Couplets

 Show photos of:   Each photo represents one genus in this family.