Biology, asked by deavraj23, 11 months ago

write the characters of orchidacea and arecaceae​

Answers

Answered by yashveerthakur125
0

Answer:

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 ...

Answered by kingofself
0

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.

https://brainly.in/question/13632848

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