|
 |
Christmas Fern in the woods. |
|
|
|
|
The fronds are fairly upright, but gradually droop late in the season. |
|
|
|
|
New growth arising from the middle of last year's fronds. |
|
|
|
|
Showing the upright aspect of the new fronds. |
|
|
|
|
|
|
|
|
|
|
Christmas Fern fiddleheads are extremely photogenic! |
|
|
|
|
Christmas Fern does not have a separate fertile stalk. Instead, the fertile pinnae (leaflets) are carried at the top of the regular fronds. The fertile pinnae are much smaller than the regular pinnae. |
|
|
|
|
Closeup showing the two types of pinnae (leaflets). |
|
|
|
|
Underside of a fertile pinna, showing the sori. |
|
|
|
|
Herbarium specimen showing whole plant.
(Royal Botanical Gardens Herbarium,Burlington,Ontario). |
|
|
|
|
Herbarium specimen showing fronds and leaflets.
(Royal Botanical Gardens Herbarium,Burlington,Ontario). |
|
|
|
|
Herbarium specimen showing roots.
(Royal Botanical Gardens Herbarium,Burlington,Ontario). |
|
|
|
|
Another herbarium specimen showing roots.
(Royal Botanical Gardens Herbarium,Burlington,Ontario). |
|
|
|
|  |
|
|
Range map for Christmas Fern (Polystichum acrostichoides)
PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.
(Range map provided courtesy of the USDA website
and is displayed here in accordance with their
Policies)
|
|
