Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Cercis

Copy permalink to share

1 Flowering pedicels 10-20 mm long; main palmate veins 5 (usually with an additional pair of less prominent veins running very close to and parallel to the lower blade margin); flowers (11-) 12-14 mm long (measured dried, from base of calyx to the end of the longest petal); leaf apex prominently acuminate
1 Flowering pedicels 6-8 mm long; main palmate veins 7 (usually with an additional pair of less prominent veins running very close to and parallel to the lower blade margin); flowers 8-13 mm long; leaf apex acuminate, acute, rounded, or emarginate.
  2 Leaves thin, dull above (sun leaves slightly coriaceous, slightly glossy above), bluish-green or yellowish-green; leaf apex usually acuminate to acute; leaf margins plane; legumes 9-14 (-18) mm wide; flowers 8-11 mm long; wing of legume (0.7-) 0.9-1.5 (-1.8) mm wide; [widespread in our region]
  2 Leaves coriaceous, glossy above, deep, rich green; leaf apex usually rounded or slightly emarginate; leaf margins undulate; legumes (11-) 13-17 (-20) mm wide; flowers (9-) 10-13 mm long; wing of legume (1.2-) 1.4-2.0 mm wide; [OK and TX, southwards]
    3 Twigs, leaves, and fruits pubescent; leaf blades averaging 59 mm long × 56 mm wide
    3 Twigs, leaves, and fruits glabrous; leaf blades averaging 72 mm long × 75 mm wide