What are the characteristics of Orchidaceae?
| Vegetative Features | |
|---|---|
| pseudobulb in many tropical and subtropical species, (water storage organ in modified stem) | |
| Leaves: | alternate, simple, entire, often in two ranks, succulent, sheathing at the base |
| Life-history: | perennial |
Where did orchids originate?
Origins. Orchids grow on every continent except Antarctica. They are dated back as far as 500 BC in China, Greece, and Rome. In the 18th Century, new world explorers found and carried orchid varieties back to their home nations.
What is the largest genus in the orchid family Orchidaceae?
The largest genera are Bulbophyllum (2,000 species), Epidendrum (1,500 species), Dendrobium (1,400 species) and Pleurothallis (1,000 species).
How are orchids classified?
The orchid family is classified in the division Magnoliophyta, class Liliopsida, order Orchidales. The family of monocotyledonous plants has evolved from prototypes of the lily and amaryllis family and is noteworthy for the wide variety of its highly specialized and curiously modified forms.
Which one of the following is a member of family Orchidaceae?
The orchid family (Orchidaceae) is the second largest family of flowering plants, with about 880 genera and some 26,000 species distributed nearly worldwide. Orchids are perennial herbs and feature unusual bilaterally symmetric flowers, with masses of pollen known as pollinia, and tiny, dustlike seeds.
Why is the Orchidaceae regarded as the most advanced family in monocotyledons?
The most advanced family of monocots is known to be Orchidaceae since they have about 28,000 currently accepted species distributed in about 763 genera. In producing perfumes, in horticulture, the members of this family are used and some are even used as food.
What does orchid symbolize?
The most highly coveted of ornamental plants the delicate, exotic and graceful orchid represents love, luxury, beauty and strength. In ancient Greece, orchids were associated with virility.
How many species does the Orchidaceae family have?
The orchid family (Orchidaceae) is the second largest family of flowering plants, with about 880 genera and some 26,000 species distributed nearly worldwide.
Is my child an orchid?
Orchid Child is a term used to describe a child who will do poorly or exceptionally well, depending on that child’s environment. As you might have guessed, the term brings to mind the orchid flower: a flower that requires special care, but under ideal circumstances, grows to become a thing of phenomenal beauty.
Does orchid mean testicle?
The word orchid is derived from the Greek word (orchis) for testicle because of the shape of the root tubers in some species of the genus Orchis.
What are the characteristic feature of monocotyledons?
Monocot plants are marked by seeds with a single cotyledon, parallel-veined leaves, scattered vascular bundles in the stem, the absence of a typical cambium, and an adventitious root system.
What are the differences between monocotyledons and Dicotyledons?
The difference between monocotyledons and dicotyledons differ in their roots, stem, leaves, flowers, and seeds. The main difference between monocotyledons and dicotyledons is that monocot contains a single cotyledon in its embryo whereas dicot contains two cotyledons in its embryo.
Which root characteristics of monocot plants?
Monocot roots are fibrous, meaning they form a wide network of thin roots that originate from the stem and stay close to the surface of the soil. In contrast, dicots have “taproots,” meaning they form a single thick root that grows deep into the soil and has smaller, lateral branches.