document.writeln(''); document.writeln('');document.writeln('
'); document.writeln(''); document.writeln('') document.writeln('
Poison oak
Poison-oak photographs Copyright 2005 - 2007 by Mario Vaden
1 - 20 of 20 Total. 3331 Visits.
Start Slideshow 
Enlarge photo 1
enlarge 74KB, 640x480
1
Poison-oak
Summer photo - often green

Enlarge photo 2
enlarge 126KB, 640x480
2
Poison oak trunk
Huge poison oak. 4" diameter trunk: Near 160\' tall. This is on Hiouchi Trail: Jedediah Smith Redwoods State Park

Enlarge photo 3
enlarge 102KB, 640x480
3
Poison-oak
Vine in a Southern Oregon oak tree. Green leaves here are oak

Enlarge photo 4
enlarge 43KB, 640x480
4
Poison-oak
Early autumn - with fruit capsules

Enlarge photo 5
enlarge 88KB, 640x480
5
Poison-oak
As ground cover: Collings Mountain trail.  Large leaves in shade.

Enlarge photo 6
enlarge 142KB, 640x480
6
Poison-oak
Columbia River Gorge. Summer image. Leaflets of 3 leaves

Enlarge photo 7
enlarge 76KB, 640x480
7
Poison-oak
Close-up of fruit / seed capsules

Enlarge photo 8
enlarge 52KB, 635x640
8
Poison-oak
Capsules can cause rash

Enlarge photo 9
enlarge 24KB, 216x640
9
POISON-OAK
Poison-oak twigs can angle upward, but may not be present

Enlarge photo 10
enlarge 42KB, 391x640
10
POISON-OAK
Especially in full sun, twig ends may appear fuzzy: blunt buds

Enlarge photo 11
enlarge 27KB, 379x640
11
POISON-OAK
A bud from the shade, not blunt, but not as pointed at Rhibes / currant

Enlarge photo 12
enlarge 46KB, 282x640
12
FLOWERING CURRANT
Rhibes sanguinium: also with short upward angle twigs. But the buds can be very pointed.

Enlarge photo 13
enlarge 87KB, 640x480
13
FLOWERING CURRANT
No way to confuse with poison-oak with spring flowers. But both species hold bare flowers stalks in winter

Enlarge photo 14
enlarge 100KB, 640x480
14
Poison-oak leaflet
Redwood forest in autumn. The phrase "leaves of 3" won\'t help when you see one colorful leave on the ground. No distinct lobes either.

Enlarge photo 15
enlarge 108KB, 640x480
15
Poison-oak leaflet
When I saw these in the redwood forest, no shrubs were in sight. Vines were about 80 feet way, with fall color high up.

Enlarge photo 16
enlarge 93KB, 640x480
16
Poison-oak leaf
This one fell with all 3 leaflets intact.

Enlarge photo 17
enlarge 134KB, 640x480
17
Vine on Douglas fir
A 2" diameter poison-oak vine next to a Douglas fir tree on Hatton trail in the redwood forest.

Enlarge photo 18
enlarge 120KB, 640x480
18
Poison-oak vine
This vine had a stem diameter of about 2". The autumn foliage here is about 120\' up the tree.

Enlarge photo 19
enlarge 112KB, 640x480
19
Poison-oak vine
Redwood forest in autumn: smaller vines growing on a redwood tree.

Enlarge photo 20
enlarge 75KB, 640x480
20
Poison-oak stem
Found this cut poison-oak vine on a fallen tree. Almost 70 growth rings: near 2" in diameter.

 
   
 
Album Properties. Email Album. Send Invitation. Share URL
');