![]() |
Keys to Nature Project |
| Key to the species of Platanthera (Orchidaceae) in the Chicago Region |
|---|
|
Single leaf near base of stem narrow at base and tongue-shaped at apex, at its broadest point much less than half of its length – Platanthera clavellata SELECT
|
Pair of leaves at base of stem very broad, their width more than half of their length – 3. SELECT
|