Ranunculaceae family floral formula , characters & importance

Ranunculaceae family

Diagnostic characters

  1. I. Habits: Annual or perennial herbs
  2. Roots: Tuberous root

  3. Stem: Herbaceous stem, develops rhizome

  4. Leaves: Petiolate. Alternate rarely opposite. simple or compound, exstipulate, reticulate venation.

  5. Inflorescence: Cymose. sometiines raceme

  6. Flower: Ped ic i I late. ebracteate. actinomorph ic, Regular.
    complete. hermaphrodite: hypogynous

  7. Calyx: 5 sepals, free, imbricate, petaloid.

  8. Corolla: 3-5 or more petals. Free. imbricate, sometimes petals may.be absent. Sometimes, petals are changed into nectaries.

  9. Stamens: Stamens are numerous, free. spirally arranged, basitixed.

  10. Carpel: . Numerous carpels. polycarpillary: ovary simple. apocarpous, one to several ovules in each ovary. placentation basal or marginal.

  11. Fruits: An etaerio or achenes or follicles, sometimes berry or capsule.

  12. Seed: Endospermic seed

Floral formula and floral diagram

hhggg

Fig: Plant and flower of Ranunothts murieunts

Economic importance


----------------------------


----------------------------

  1. I. Ornamental plants: Most plants are cultivated for their beautiful flowers like Buttercup etc.
  2. Medicinal plants: Some members are used as medicinal plants. Aconitum yields an alkaloid aconitina. Thallicirom yields mamira. It is used in the treatment of ophthalmia.

  3. Condiments: Some members are used as condiments. For example, seeds of Nigella It is also used as drugs.

  4. Weeds: Some members are needs like R. antriccaus.

  5. Importance of honey: Most members of this family have nectaries. F lic nectaries have great importance for honey bees.

  6. Poisonous species: Some members of this family produce acrid juice. It is highly poisonous.

 Distribution pattern

It is a large family. It has 20 genera and 1200 species. It is mostly distributed in colder regions. Its members are vastly found in I limalayan region of Pakistan and India.

Important Species

   I. Ranunculus muricatus. Butter cup

  1. Delphinium ajacis, Larkspur

  2. Ranunculus muricatus (a weed)

  3. Aconitum uncinatum (a wild herb)

Similar Articles:

Latest Comments
  1. Narayan Kumar Acharya November 26, 2015
  2. Narayan Kumar Acharya November 26, 2015
  3. Omveer November 28, 2015
  4. Gayathri p March 6, 2016
  5. rohit June 6, 2016
  6. Aqib October 19, 2016
    • shaikh ayesha February 11, 2018
  7. channdra M. December 3, 2016
  8. ahmad mirza March 6, 2018
  9. akash ichagutu May 17, 2018
  10. samad July 29, 2018
  11. SONA AIRY December 4, 2018
  12. Alana March 16, 2019

Leave a Reply

Your email address will not be published. Required fields are marked *