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The six seed and seedling developmental stages of Spiranthes ochroleuca used to measure germination and seedling development. Adapted from Stewart and Kane (2007).
| Stage | Description |
|---|---|
| 0 | No germination, viable embryo |
| 1 | Embryo swollen, rhizoids forming (=germination) |
| 2 | Continued embryo enlargement, numerous rhizoids |
| 3 | Appearance of protomeristem |
| 4 | Emergence of first leaf and root initiation |
| 5 | Development of second leaf and root development |
