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 Zea

Copy permalink to share

1 Pistillate spikelets (kernels) borne on a spongy rachis (cob) in rows, 60-1000 per cob
1 Pistillate spikelets embedded in a hardened rachis, 4-15 per cob.
  2 Perennial from creeping rhizomes
  2 Annual.
    3 Leaves glabrous
    3 Leaves pubescent