Orchid
Plants (Orchidaceae)
are among the most diverse plant families. They get their name from
the Greek Orchis, testicles, from the appearance of the
pseudo bulbs in some terrestrial species. Roughly 30,000 species
have been described, and at least 60,000 more hybrids have been bred
by horticulturalists. They are monocotlydons, with flowers composed
of 6 petals, one of which is modified into a "lip". Ranging in size
from tiny Caribbean Epidendrons (3 inches) to massive
Gramatophyllums (20 feet+) in
New Guinea, their beauty and
sophistication have captivated man.
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Most orchids are
epiphytic, residing on tree limbs without parasitizing
resources (as Mistletoes do). Others live on the ground, in
shaded places often. Almost all the species rely heavily
upon mycorhizal associations with various fungi that
decompose surrounding matter, freeing up water-soluble
nutrients.
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Most orchid seeds are extremely
tiny, with no food reserves, and will not even germinate without such
symbiosis to supply nutrients in the wild. Techniques have
now been devised for germinating seeds on a nutrient-containing gel,
eliminating the necessity of the fungus, and greatly aiding the
propagation of rare and endangered species.
Most orchids are epiphytic,
residing on tree limbs without parasitizing resources (as Mistletoes
do). Others live on the ground, in shaded places often. Almost all
the species rely heavily upon mycorhizal associations with various
fungi that decompose surrounding matter, freeing up water-soluble
nutrients.
Most orchid seeds are extremely tiny, with no food reserves, and
will not even germinate without such symbiosis to supply nutrients
in the wild. Techniques have now been devised for germinating seeds
on a nutrient-containing gel, eliminating the necessity of the
fungus, and greatly aiding the propagation of rare and endangered
species.
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Orchid plants brighten
anyones day. Orchids need to dry out somewhat between
watering. Always remember, orchid plants should never stand
in water. In general, once orchids are finished blooming you
can remove the spike with a scissors.
Almost all orchid plants drop leaves as they grow. |
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Once you understand
their needs, orchids can become reliable plants that add beauty to
any room in your. With most orchid plants old leaf growth naturally
drops once new growth starts to emerge.
By enriching
the soil orchid plants are aided through the practice of organic
gardening.
There are a great
number of tropical and subtropical orchids plants and these are the
most commonly known, as they are available at nurseries and through
orchid clubs across the world. There are also quite a few orchids
which grow in colder climates, although these are less often seen on
the market.
It is in their reproductive
methods that Orchids truly shine. The Paphiopedilums (Lady Slippers)
have a deep pocket that traps visitors, with just one egress that
leads to pollination. A Eurasian genus has flowers that look so much
like female bumble bees that males flying nearby are irresistibly
drawn in.
An underground orchid in
Australia
never sees the light of day, but manages to dupe ants into
pollinating it. The Masdevalia stinks like a rotting Carcas, and the
forest flies it attracts assist its reproduction. A species
Darwin discussed briefly actually launches
its pollen sacks with incendiary force when prompted. Some
Phalaenopsis species in
Malaysia use subtle weather cues to
coordinate mass flowering.
In conclusion, strive to
become the expert by learning as much as you can about orchids you
like and their cultural requirements by reading books, asking
friends and orchid society members.
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Orchid plants are great
for decorating office and home space.
Exotic blooming orchid plants make great gifts for every
occasion and are also used for corsages. In general, most
orchid plants that are growing in pots will break down the
medium within one to two years. Some
orchid plants flower seasonally. |
All orchids enjoy being rather
root-bound, so make certain that there is only an extra inch or so
for the roots to expand to in order to become root-bound again.
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