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Edibility of
Plants
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(Author: wilderness-survival.net
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Plants are valuable sources of food because
they are widely available, easily procured, and, in the
proper combinations, can meet all your nutritional needs. |
WARNING
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| The critical factor
in using plants for food is to avoid accidental poisoning.
Eat only those plants you can positively identify and
you know are safe to eat. |
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Absolutely identify plants before
using them as food. Poison hemlock has killed people who mistook
it for its relatives, wild carrots and wild parsnips.
At times you may find yourself in a situation for which you
could not plan. In this instance you may not have had the
chance to learn the plant life of the region in which you
must survive. In this case you can use the Universal
Edibility Test to determine which plants you can eat and
those to avoid.
It is important to be able to recognize both cultivated
and wild edible plants in a survival situation. Most of
the information in this chapter is directed towards identifying
wild plants because information relating to cultivated plants
is more readily available.
Remember the following when collecting wild plants for food:
- Plants growing near homes and occupied buildings or
along roadsides may have been sprayed with pesticides.
Wash them thoroughly. In more highly developed countries
with many automobiles, avoid roadside plants, if possible,
due to contamination from exhaust emissions.
- Plants growing in contaminated water or in water containing
Giardia lamblia and other parasites are contaminated themselves.
Boil or disinfect them.
- Some plants develop extremely dangerous fungal toxins.
To lessen the chance of accidental poisoning, do not eat
any fruit that is starting to spoil or showing signs of
mildew or fungus.
- Plants of the same species may differ in their toxic
or subtoxic compounds content because of genetic or environmental
factors. One example of this is the foliage of the common
chokecherry. Some chokecherry plants have high concentrations
of deadly cyanide compounds while others have low concentrations
or none. Horses have died from eating wilted wild cherry
leaves. Avoid any weed, leaves, or seeds with an almondlike
scent, a characteristic of the cyanide compounds.
- Some people are more susceptible to gastric distress
(from plants) than others. If you are sensitive in this
way, avoid unknown wild plants. If you are extremely sensitive
to poison ivy, avoid products from this family, including
any parts from sumacs, mangoes, and cashews.
- Some edible wild plants, such as acorns and water lily
rhizomes, are bitter. These bitter substances, usually
tannin compounds, make them unpalatable. Boiling them
in several changes of water will usually remove these
bitter properties.
- Many valuable wild plants have high concentrations of
oxalate compounds, also known as oxalic acid. Oxalates
produce a sharp burning sensation in your mouth and throat
and damage the kidneys. Baking, roasting, or drying usually
destroys these oxalate crystals. The corm (bulb) of the
jack-in-the-pulpit is known as the "Indian turnip,"
but you can eat it only after removing these crystals
by slow baking or by drying.
WARNING
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| Do
not eat mushrooms in a survival situation! The only
way to tell if a mushroom is edible is by positive
identification. There is no room for experimentation.
Symptoms of the most dangerous mushrooms affecting
the central nervous system may show up after several
days have passed when it is too late to reverse
their effects. |
Plant Identification
You identify plants, other than by memorizing particular
varieties through familiarity, by using such factors as
leaf shape and margin, leaf arrangements, and root structure.
The basic leaf margins (Figure 9-1) are toothed, lobed,
and toothless or smooth.

These leaves may be lance-shaped, elliptical, egg-shaped,
oblong, wedge-shaped, triangular, long-pointed, or top-shaped
(Figure 9-2).

The basic types of leaf arrangements (Figure 9-3) are
opposite, alternate, compound, simple, and basal rosette.

The basic types of root structures (Figure 9-4) are the
bulb, clove, taproot, tuber, rhizome, corm, and crown.
Bulbs are familiar to us as onions and, when sliced in
half, will show concentric rings. Cloves are those bulblike
structures that remind us of garlic and will separate
into small pieces when broken apart. This characteristic
separates wild onions from wild garlic. Taproots resemble
carrots and may be single-rooted or branched, but usually
only one plant stalk arises from each root. Tubers are
like potatoes and daylilies and you will find these structures
either on strings or in clusters underneath the parent
plants. Rhizomes are large creeping rootstock or underground
stems and many plants arise from the "eyes"
of these roots. Corms are similar to bulbs but are solid
when cut rather than possessing rings. A crown is the
type of root structure found on plants such as asparagus
and looks much like a mophead under the soil's surface.
Learn as much as possible about plants you intend to use
for food and their unique characteristics. Some plants
have both edible and poisonous parts. Many are edible
only at certain times of the year. Others may have poisonous
relatives that look very similar to the ones you can eat
or use for medicine.
Universal Edibility Test
There are many plants throughout the world. Tasting
or swallowing even a small portion of some can cause
severe discomfort, extreme internal disorders, and even
death. Therefore, if you have the slightest doubt about
a plant's edibility, apply the Universal Edibility Test
(Figure 9-5) before eating any portion of it.

Before testing a plant for edibility, make sure there
are enough plants to make the testing worth your time
and effort. Each part of a plant (roots, leaves, flowers,
and so on) requires more than 24 hours to test. Do not
waste time testing a plant that is not relatively abundant
in the area.
Remember, eating large portions of plant food on an
empty stomach may cause diarrhea, nausea, or cramps.
Two good examples of this are such familiar foods as
green apples and wild onions. Even after testing plant
food and finding it safe, eat it in moderation.
You can see from the steps and time involved in testing
for edibility just how important it is to be able to
identify edible plants.
To avoid potentially poisonous plants, stay away from
any wild or unknown plants that have--
- Milky or discolored sap.
- Beans, bulbs, or seeds inside pods.
- Bitter or soapy taste.
- Spines, fine hairs, or thorns.
- Dill, carrot, parsnip, or parsleylike foliage.
- "Almond" scent in woody parts and leaves.
- Grain heads with pink, purplish, or black spurs.
- Three-leaved growth pattern.
Using the above criteria as eliminators when choosing plants
for the Universal Edibility Test will cause you to avoid some
edible plants. More important, these criteria will often help
you avoid plants that are potentially toxic to eat or touch.
An entire encyclopedia of edible wild plants could be written,
but space limits the number of plants presented here. Learn
as much as possible about the plant life of the areas where
you train regularly and where you expect to be traveling or
working. Listed below and later in this chapter are some of
the most common edible and medicinal plants. Detailed descriptions
and photographs of these and other common plants are at
Appendix B.
TEMPERATE ZONE FOOD PLANTS
- Amaranth (Amaranthus retroflexus and other species)
- Arrowroot (Sagittaria species)
- Asparagus (Asparagus officinalis)
- Beechnut (Fagus species)
- Blackberries (Rubus species)
- Blueberries (Vaccinium species)
- Burdock (Arctium lappa)
- Cattail (Typha species)
- Chestnut (Castanea species)
- Chicory (Cichorium intybus)
- Chufa (Cyperus esculentus)
- Dandelion (Taraxacum officinale)
- Daylily (Hemerocallis fulva)
- Nettle (Urtica species)
- Oaks (Quercus species)
- Persimmon (Diospyros virginiana)
- Plantain (Plantago species)
- Pokeweed (Phytolacca americana)
- Prickly pear cactus (Opuntia species)
- Purslane (Portulaca oleracea)
- Sassafras (Sassafras albidum)
- Sheep sorrel (Rumex acetosella)
- Strawberries (Fragaria species)
- Thistle (Cirsium species)
- Water lily and lotus (Nuphar, Nelumbo, and other species)
- Wild onion and garlic (Allium species)
- Wild rose (Rosa species)
- Wood sorrel (Oxalis species)
TROPICAL ZONE FOOD PLANTS
- Bamboo (Bambusa and other species)
- Bananas (Musa species)
- Breadfruit (Artocarpus incisa)
- Cashew nut (Anacardium occidental)
- Coconut (Cocos nucifera)
- Mango (Mangifera indica)
- Palms (various species)
- Papaya (Carica species)
- Sugarcane (Saccharum officinarum)
- Taro (Colocasia species)
DESERT ZONE FOOD PLANTS
- Acacia (Acacia farnesiana)
- Agave (Agave species)
- Cactus (various species)
- Date palm (Phoenix dactylifera)
- Desert amaranth (Amaranths palmeri)
Seaweeds
One plant you should never overlook is seaweed. It is a form
of marine algae found on or near ocean shores. There are also
some edible freshwater varieties. Seaweed is a valuable source
of iodine, other minerals, and vitamin C. Large quantities
of seaweed in an unaccustomed stomach can produce a severe
laxative effect.
When gathering seaweeds for food, find living plants attached
to rocks or floating free. Seaweed washed onshore any length
of time may be spoiled or decayed. You can dry freshly harvested
seaweeds for later use.
Its preparation for eating depends on the type of seaweed.
You can dry thin and tender varieties in the sun or over
a fire until crisp. Crush and add these to soups or broths.
Boil thick, leathery seaweeds for a short time to soften
them. Eat them as a vegetable or with other foods. You can
eat some varieties raw after testing for edibility.
SEAWEEDS
- Dulse (Rhodymenia palmata)
- Green seaweed (Ulva lactuca)
- Irish moss (Chondrus crispus)
- Kelp (Alaria esculenta)
- Laver (Porphyra species)
- Mojaban (Sargassum fulvellum)
- Sugar wrack (Laminaria saccharina)
Preparation of Plant Food
Although some plants or plant parts are edible raw, you must
cook others to be edible or palatable. Edible means that a
plant or food will provide you with necessary nutrients, while
palatable means that it actually is pleasing to eat. Many
wild plants are edible but barely palatable. It is a good
idea to learn to identify, prepare, and eat wild foods.
Methods used to improve the taste of plant food include
soaking, boiling, cooking, or leaching. Leaching is done
by crushing the food (for example, acorns), placing it in
a strainer, and pouring boiling water through it or immersing
it in running water.
Boil leaves, stems, and buds until tender, changing the
water, if necessary, to remove any bitterness.
Boil, bake, or roast tubers and roots. Drying helps to
remove caustic oxalates from some roots like those in the
Arum family.
Leach acorns in water, if necessary, to remove the bitterness.
Some nuts, such as chestnuts, are good raw, but taste better
roasted.
You can eat many grains and seeds raw until they mature.
When hard or dry, you may have to boil or grind them into
meal or flour.
The sap from many trees, such as maples, birches, walnuts,
and sycamores, contains sugar. You may boil these saps down
to a syrup for sweetening. It takes about 35 liters of maple
sap to make one liter of maple syrup!
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Staying
Warm: The Secret To A Good Hunt Out Of A Stand
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(Author:
deerstand.net ) |
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By Pat Cardin: Outdoors Writer and avid hunter.
Nights are cooling down and there is a chill in the air
early mornings and late evenings. You can wrap up now and
stay fairly comfortable for several hours on a stand. But
we do have firearm season and muzzleloading season to follow
in late winter when the elements are more severe.
I am usually lucky or fortunate enough to tag a buck, at
least during one of the firearm seasons, if not before.
You can call it lucky, but it seems the more hours I spend
in my stand, the luckier I get.
One reason I can spend those hours in the stand is the
ability to be comfortable for several hours there. With
the firearm seasons being set in November and December,
warmth plays a large part of being comfortable in your stand.
I have hunted many deer seasons, in all kinds of weather
and through the years, I’ve learned to deal with the
elements.
It’s hard to predict the weather, but here in Kentucky,
you can almost bet that during the ten-day firearm season
in November, we’ll have to deal with morning lows
in the 20’s to 30’s and probably at least one
day of rain.
I have found that layers of clothes are better than just
one coat or coveralls. There is one catch though. Money!
You’ll have to purchase certain clothes and accessories.
You’ll “get what you pay for” and I suggest
don’t buy according to the price tag, but rather,
the quality of the item.
Here’s how to stay warm and dry in that stand.
First, let’s start at the bottom and work our way
up. Cold feet have run me and other hunters out of their
stands for years. I’ve tried everything from electric
socks, more socks and even had friends buy boots that have
an air pocket that the military uses in the arctic. Nothing
worked until about 7 or 8 years ago I tried something called
boot blankets.
Boot blankets are almost like they sound. It’s like
wrapping your boots in a blanket and these wonders are rated
to – 85 degrees! You slip these on over your boots
and to add icing to the cake, slip one of the hand warmer
packets in the tip of the blanket where your toes will be.
It’s like toast! Icebreaker makes the brand I use
and seems to be the best on the market. They are insulated
with Hollofil 808.
One disadvantage is the bulk on the stand. These are not
made to walk in and you must be pretty stationary when wearing
them.
Next, we’ll keep those legs warm with insulated bib
overalls. Make sure from the bibs to the coats you buy that
you get fleece, hydro-fleece or wool, because the fabric
is quiet when moving around. You’ll need to move and
sometimes in the morning when everything is very still in
the woods, your clothes can give you away just by the cracking
or sliding noise they give off.
Buy bibs that have a full-length zippers. That is, they
zip down your leg from waist to your feet. You’ll
also have a zipper in front that zips to your waist too.
With these, you can slip boots as large as pack boots through
the bibs easily on the stand. Zip up your zippers and you’ll
keep those legs warm.
The reason I choose bibs is the freedom it gives your arms
when wearing a heavy coat or layers of coats. If you use
a complete insulated suit, sometimes your arm movement is
restricted and you can have to much bulk on.
We come to the parka now. Thinsulate or Goretex are good
fill materials, plus the added silence of fleece or wool
work well. Buy a parka that comes down over your waist and
also has a hood. Most that have hoods have tall collars
on them and can still stop the wind from chilling your neck,
even if you don’t wear the hood. A good parka will
cost $150 to $250.
I usually wear a lighter fleece jacket under my parka when
the weather is really cold. It fits me tighter and holds
a lot of warmth.
Let’s deal with the hands now. Besides my feet, my
hands would always get cold. Now I wear a pair of camo jersey
gloves to the stand. When on the stand, I use an insulated
hand muff, like my boot blankets, they are also made by
Icebreaker. The muff is round and about 15 inches long and
feels like fur inside. Throw in another hand warmer packet
inside and I haven’t ever found it cold enough for
my hands to be cold on the stand.
You can either hang the muff from your neck or attach it
to a belt. When that deer walks up, slip your hands out
of the muff with your jersey gloves on and pick up your
gun or bow. You now don’t have to worry about getting
those bulky Thinsulate gloves in the trigger guard.
We’re at the top now and looking at the head. I don’t
like anything to cover my ears, because I usually detect
more deer by sound than by sight. I can usually just use
a light camo mask like turkey hunters use, if the weather
isn’t extremely cold. Its surprising how much warmth
a mask will trap your breath and help your face and head
stay warm.
If it is very cold, I’ll use a hooded type toboggan,
balaclava or in extreme cold, I’ll use my hood on
my parka. I give up some detection of picking up sound with
the hood, but it is still better to be able to be comfortable
on the stand and stay longer than getting cold and leaving
the stand. Protect the back of your head and neck to help
keep the chill off.
If you’re wet, you’re going to be cold this
time of year. To help beat this I use the new dry-plus rain
gear that is out today, which is very good and you’ll
need this traveling to and from your stand. I bought one
of the tree umbrellas on the market a couple of years ago
after down pours on muzzleloading and modern gun opening
days made it miserable in the woods. These umbrellas work
very well and you can even take your rain gear off under
them. The umbrellas sell for around $25 and are well worth
the money.
Neoprene gloves will help keep your hands warm when wearing
your rain suit. My gloves used to be soaked when the rest
of me was dry. Neoprene gloves have ended those days.
Now, the key to all the clothes is not to wear them until
you get in your stand. If you wear them while walking to
the stand, you’ll perspire to much and therefore be
damp when you arrive at your stand. I don’t even wear
insulated underwear because this can also cause you to get
to warm while walking to your stand.
I started using a pack about 10 years ago and it’s
been one of the best investments I’ve ever made. Cabela’s
has one that is called their Deluxe Whitetail pack and comes
in various camo patterns. Make sure the pack you buy has
side pockets and straps on the back. You’ll have to
use not only the inside of the pack, but also strap some
of your gear on it.
All at once or add one piece at a time, equip yourself
with these tips and accessories for cold or wet weather.
I can’t guarantee you’ll fill your tag, but
I promise you will be warmer and therefore get luckier.
Hang in there!
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