Showing posts with label flora. Show all posts
Showing posts with label flora. Show all posts

Thursday, October 26, 2017

What's Lurking under the Willow Tree?

Is That Hollow a Good Place to Hide?


If one passes by this willow tree and looks at it from the path, one sees this shady space, almost like a little hollow or cave that would make a good hiding place. But you aren't likely to find any lovers there making the most of solitude. Anyone who has any sense will stay away.



Let's take a closer look at what's hidden in the shadow of this tree. I approach it, stepping away from the trail. I use my flash to chase away the shadows. Does it look like a good hiding place now? It this a tree you'd like to climb? Would you like to gather these beautiful shiny autumn leaves? I don't think so. Not if you recognize that lovely patch of poison oak?





And If You Did Not Recognize the Poison Oak in Time or Fell Into It?


Use this. It should offer some relief from the itching and pain.




A Closer Look at the Poison Oak Leaves




The photo above shows how the poison oak looked under the tree without using the flash. It was late afternoon. You will notice that some leaves are changing color, but others are still quite green. Poison oak leaves are arranged in groups of three connected leaflets. They are shiny with urushiol, the oil that causes the rash when it comes in contact with skin. The leaves don't have to touch the skin to cause the rash. Anything touching the skin that has picked up some oil can also do the same damage -- clothing, pet fur, etc.

Below is a photo I took exactly two years earlier than the photo above under that same tree. Here it is easier to see the patterns and colors of the leaves.



It is very important for anyone who hikes in California to be able to recognize poison oak. When I was growing up, we all learned the rhyme you may have heard: "Leaves of three, let it be." That's a good precaution. It's better safe than sorry. And if you touch poison oak and are as sensitive to it as most people are, you will be sorry. Books can tell you how to identify poison oak, but the sketches are often much neater than what you will see in the wild.

 It's true that berries that grow in some of the same places as poison oak does and can resemble it. I've seen them grow right next to each other. Most of the berries have thorns. Poison oak doesn't. They both change color in the fall. If in doubt, don't touch.

Poison Oak Loves to Climb


It climbs fences and shrubs. It especially likes to climb oak trees. Chances are if you are in an unmaintained area and you see a group of oak trees, you will also find poison oak climbing some of them.

Many public parks in Paso Robles that have open spaces don't maintain those open spaces. That's why Larry Moore Park is such a likely place to encounter poison oak right next to trail. I've even seen poison oak in maintained areas. I once encountered it encroaching on a public sidewalk on a busy street next to a hospital in San Luis Obispo.  I sure didn't expect to see it on a busy city sidewalk.




Go enjoy your open spaces, but be careful. Keep your eyes open and stay away from anything than looks like poison oak. If you are walking your dog in such a place, remember if he gets the oil on his fur, and you pet him, you can be just as miserable as if you'd touched the plant itself.

Have you had any experiences with poison oak or poison ivy? Feel free to share them in the comments.

***

Friday, October 23, 2015

What's Blooming in Larry Moore Park in Mid October?

Catalina Fushia at Larry Moore Park, © B. Radisavljevic
Catalina Fushia at Larry Moore Park, © B. Radisavljevic
I love observing nature. That's one reason I often walk through Larry Moore Park. It is open space with paths along the Salinas River, currently dry. One thing that frustrates me as I walk through the park taking pictures is that I can't identify everything I see. One thing I didn't have a name for is the plant in this photo. It really adds color to the park at this time of year. This photo shows several plants in a group.

Catalina Fushia at Larry Moore Park, © B. Radisavljevic
Catalina Fushia at Larry Moore Park, © B. Radisavljevic
I decided before starting to write this that I would go back to the park today and take some close-up photos that would give me a good look at the individual flowers. I wanted to research them and find a name. As you see, I succeeded. Here is an enlarged view of the flowers. They really do resemble Fushia flowers a bit. Learn more and see a video on the Catalina Fushia  here. 

Willow in Bloom at Larry Moore Park, © B. Radisavljevic
Willow in Bloom at Larry Moore Park, © B. Radisavljevic


Other plants are also in bloom. One is the willow that you see all over the park. This one was right beside the path. Many are in the riverbed or beside it. Do you see the bee? If you need a closer look, just click the photo.






Telegraph Weed at Larry Moore Park, © B. Radisavljevic
Telegraph Weed at Larry Moore Park, © B. Radisavljevic
I finally identified another plant I seem to see everywhere -- even in my own yard. I've always assumed it to be a weed, and since I study weeds I was frustrated that I didn't know this one's name. The internet has more information than I have available in my books, and so I know now that this is a Telegraph Weed.




Coyote Brush in Bloom  at Larry Moore Park, © B. Radisavljevic
Coyote Brush in Bloom  at Larry Moore Park, © B. Radisavljevic
Last today, are the many coyote brush plants you will see not only in the park but on most rural roadsides and county wild places. It is just beginning to bloom and will be ready to lighten up the winter landscape in the bleak months. I think of coyote brush as California snowdrifts.

Thursday, July 16, 2015

Beware the Jimson Weed Blooming in the Summer

Jimson Weed Grows at Larry Moore Park



I made myself walk tonight, and part of the walk went through Lawrence (Larry) Moore Park. It seemed all along the path I saw jimson weed in bloom. Now those white trumpet flowers may contrast nicely with the brown all around and their own green-gray leaves, but the plant has caused a lot of harm when people have tried to use it as a recreational or medicinal drug. One should Beware the Jimson Weed.




Beware the Jimson Weed Blooming in the Summer
Jimson Weed Flower in Bloom, © B. Radisavljevic


Jimson weed has the form of a creeping vine. This is how a typical whole plant looks. You can see the long green buds ready to unfold any time now.



Beware the Jimson Weed Blooming in the Summer
Jimson Weed in Bloom, © B. Radisavljevic



Does jimson weed grow near you?
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