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.
1 Leaves unlobed. | |
1 Leaves pinnatifid. | |
3 Laminar scales of the upper leaf surface absent or essentially so; glands inconspicuous, on the proximal acroscopic side of the basal pinnae; rhizome scale margins strongly erose-serrate; laminar scales of the lower leaf surface sparse, lanceolate, sometimes touching, their margins undulate, entire; orbicular scales present and readily visible; [widespread in our area] | |
3 Laminar scales of the upper leaf surface bearing scattered scales, these subulate, the base pectinate-stellate, apex long caudate, margin weakly erose; glands conspicuous, round to elliptic, rather swollen with a central depression, on a small auricle within the sinus near the acroscopic side of the basal pinnae; rhizome scale margins erose-ciliate; laminar scales of the lower leaf surface dense, lanceolate, their margins ciliate (peripheral scales often extending beyond the margin of the blade); orbicular scales present, but not readily visible; [FL Keys only] |