On Fri, 28 Jun 2013 11:22:07 -0500, Natural - Smoking Gun - Girl wrote:
Well, it's 500 yards of poison oak jungle! I'm the only one who ever goes
there (I wonder why). It's very peaceful. The birds like me because I hacked
out a trail,and they were right behind me, eating the bugs that I had to
dig out of the steep hillside with my gas cultivator in tow.
Note: Using a cultivator on a steep hillside of poison oak was when I
got the worst case yet. Something about chewing up poison oak vines in
the tines got the stuff on me, no matter how hard I tried to dress for
Here you can see one of the "momma vines" which was about as big as they
get in my ravine, where it's just oozing with enough urushiol sap to
infect every human on earth!
My brother would freak just thinking about such giant poison oak plants.
As a kid, he spent much of one summer indoors due to an extreme reaction
(that required medical intervention and injections). He can get a rash
just walking by a patch. As the older sib I had to learn to identify poison
ivy and point it out. All these years later, it's still automatic for me to ID
poison ivy, oak, or sumac to anyone nearby. I am amazingly good at
Oh, an good on you for relocating rather than eliminating the snakes and
such. Though I don't think I'd be as kind to the black widows. I only
rescue jumping spiders. I sometimes rescue the crab spiders that come in
on flowers. The rest get squished.
On Mon, 01 Jul 2013 07:47:19 -0400, Pat Kiewicz wrote:
I understand what you mean, as I am always identifying it for the
grandkids, who wander by oblivious to all harm.
Nobody is immune to cell-mediated immune responses (since the T-Cell
are randomly generated and passed by the Thymus), but some people just
haven't (randomly) gotten it yet. Or, they haven't gotten enough of a
dose that their T-Cells wandered by a urushiol quinone which has
bound to a receptor site on a Langerhans cell in their skin.
NOTE: Contact dermatitis is NOT mediated by humoral antigen/antibody
responses, so, all the conventional wisdom of "being immune" goes out
In the case of the amount of sap in that picture, almost nobody on
earth would not respond to that amount, were it to touch skin (keeping
in mind, the urushiol oil is known to stay active over 100 years in
dendrology drawers) and probably 10 years in my relatively dry climate.
I've never gotten a rash from poison ivy, even when (as a kid) I was dared
to rub a leaf on my skin, or when I've pulled seedlings out bare-handed.
My dad's side of the family, very vigorous reactors. My mother never has,
if I recall correctly.
Which is sort of odd, as both my mother and I have had serious
reactions to other chemicals and adhesives. I've had at least one
quite serious case of photoallergic dermatitis which required
(unpleasant) steroid therapy and I have to carefully read labels to
avoid certain preservatives and also avoid sun-screens other than
zinc oxide. I mainly rely on sun protective clothing and hats,
which means long sleeves and long pants no matter how hot it is.
(Coolibar makes some clever items, but it's still easy to overheat.)
OK. I'll start putting the 640x480 pictures there.
If anyone wants the larger ones, they'll need to know to
substitute "img" for "640" to get the zoomable details.
PS: They both (big or small) load fine for me, and my Internet
comes in through 15 miles of air to an antenna on my roof via
WiFi. It was a bear to set up, but, now it's working (for all
but for the VOIP - which has jitter that's too high. Sigh.)
yes, but once you get a cover crop growing which
shades the area the mustard will have a much harder
time taking over again, if you can keep at it for a
few seasons you can effectively eliminate it other
than having to spot weed a few times a season.
that's still much less time i spend in this one
garden than i used to (when it was full of weeds
and the soil was much poorer).
now i actually let a few mustard plants grow and
bloom (but not scatter seeds) because we like the
early yellow flowers.
that was a picture from few years ago.
this year i've only had to pull a few plants out
of that same patch. the seeds are still there --
if i were to return the area to bare dirt i'd have
them attempt to take over again.
the roots are quite tough, if you don't get all
of them they'll resprout. the good news though is
that the plant doesn't grow all that fast as compared
to many others. checking once a month has been good
enough (after they've done their spring-time
flowering). i keep clipping them off and letting
them lay as compost. the few that do resprout
don't grow much at all, they can't get much light
through the trefoil or alfalfa.
Looks more like a petal that hasn't completely colored up yet. But that's
really hard to tell in a photo.
If you look at sepals and petals on almost all flowers, you'll find
that each series of flower parts are in whorls -- multiple parts
all coming out at the same level. So the lowest series is the
sepals. Let's say in an opened out mustard flower, they're laid
out like a + sign. The next whorl is petals, and if the sepals are
laid out like a + sign, the petals will be an X. Then there will be
4 stamens, laid out like a + and two more like two arms of the X,
and finally in the middle, the two chambers of the ovary, the two
carpels joined together to form a single fruit.
http://www.discoverlife.org/mp/20p?img=I_MWS95452&res=mx is a pretty
good view of the flower of a different species of mustard from the side...
in this case, both the sepals and petals are yellow, but different shapes,
and you can also see the four long stamens and two shorter ones most of
the mustards have.
is a lily
flower straight on, and you can see the different shapes of the
sepals, the narrower "petals" and the wider petals. Unfortunately, it's
not a good photo of the stamens or ovary, but I'll take what I can
get here. <g>
And yes, I can rattle on for hours about flower parts and how to
interpret what you're seeing... it's one of the major tools for plant
identification, once you get beyond pure recognition of different species.
On Sun, 23 Jun 2013 20:17:35 +0000 (UTC), "Danny D."
We've a new weed infestation this year here in northern NJ. I have
assumed it came in with Superstorm Sandy last fall, as it is
ubiquitous this spring/summer and I have never seen it before, or
surely never did in any great numbers such that it made an impression
Anyway, check out field hawkweed photos and see if they match. That is
what seems to be all over the sides of the roads here now.
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