Data mode


Sign up

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 Phrymaceae

Copy permalink to share

1 Plant a rhizomatous aquatic; leaves spatulate, entire, 10-20 mm long and 0.3-2 mm wide (reminiscent of Limosella or Lilaeopsis)
1 Plant terrestrial (though sometimes in wetlands) with an aerial; leaves ovate, elliptic, or obovate, > 20 mm long and > 2 mm wide.
  2 Inflorescence of a solitary, terminal flower; bracteal leaves alternate
  2 Inflorescence either of axillary flowers or of terminal and axillary spikes; bracteal leaves or bracts opposite.
    3 Inflorescence of terminal and axillary spikes; flowers 6-8 mm long
    3 Inflorescence of axillary flowers; flowers 17-30 mm long
      4 Corolla yellow; stem viscid glandular-pubescent; plant usually 2-4 dm tall
      4 Corolla blue; stem glabrous; plant usually 3-15 dm tall
Cite as...