write the characters of orchidacea and arecaceae
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Orchidaceae: Characters, Distribution and Types. In this article we will discuss about:- 1. Characters of Orchidaceae 2. A. Vegetative characters: ADVERTISEMENTS: Habit: Perennial terrestrial, succulent, scapose herbs; many are epiphytic or saprophytic, sometimes climbers Vanilla. Root: Stem: Leaf: B. Floral characters ...
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Characters of Orchidacea:
- " Perennial herbs", "epiphytes" or "saprophytes" may be terrestrial.
- The fertile stamen is adherent to the style and forms with it the column or gynostemium, which projects more or less in the center of flower;
- Stigma 2 or 3 lobed, in some two fertile and one sterile and modified into rostellum.
Characters of Arecaceae:
- Mainly the trees which are with "stout unbranched stem" ending in crown of leaves;
- In male flower 6 stamens in two whorls, anthers versatile;
- In female flowers carpels three; apocarpous or syncarpous, superior, trilocular; fruit drupe.
To know more:
Write down four characters of Chondrichtyes. Give two examples.
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