Papilionaceae

 
Family: Papilionaceae (The Cow Pea Family)
Lecture of: Sir Muhammad Ajaib
Department of Botany
G C University Lahore
Provided by: Taha Arooj

A Large family with 480 genera and 12000 species cosmopolitan in distribution.
Vegetative Characters:
Habit: Mostly perennial Herbs and Shrubs , trees are also common. Some are climbers (Pisum, Lathyrus)
Root: Taproot branched, Usually with nodules containing bacteria of genus Rhizobium .
Stem: Herbaceous or woody, erect, branched.
Leaves: Rarely Simple Mostly compound, Alternate, stipulate Leaf base is Pulvinate.
Inflorescence: Solitary, Racemose, Paniculate or umbellate, Capitate or Spicate.
 
Flower: Bracteate, Bisexual, zygomorphic, Pedicillate,  pentamarous, heterochlaymadeous, hypogynous.
Calyx: Sepals 5, gamosepalous, Hairy, valvate or imbricate aestivation.
Corolla: Petals 5, Polypetalous, Papillonaceous, with 1 standard (vexillum) petal, 2 wing petals (alae) and 2 keel petals (carinae). Vexillary aestivation.
 
Androecium: Stamin 10 , Monoadelphous or Diadelphous, Anthers dithecious.
Gynoecium: Monocarpillary, unilocular, one ovule, Marginal placentation, Ovary superior.
Fruit: A legume or Lomentum.
Seed: Non-endospermic , Large.
 
Common Examples:
Pulses
  1. Pisum sativum L. (Pea)
  2. Phaseolus mungo L. (Black gram)
  3. Phaseolus radiatus L. (Green gram)
  4. Cajanus cajan (L.) Millsp. (Red gram, pigeon pea, Arhar)
  5. Glycina max (L.) Merr. (Soya bean)
  6. Cicer arientium L. (Bengal gram, Chick pea, Channa)
Oil Yielding:
1.      Arachis hypogaea L. (Ground nut, mong phalli)
2.      Pongamia pinnata (L.) Pierre. (Sukh chain)
Timber Yielding:
1.      Dalbergia latifolia Roxb. (Rosewood, Valayati Tali)
2.      Dalbergia sisso Roxb. (Indian rosewood, Shesham,Tali)
Fiber Yielding:
1.      Crotolaria juncea L. (Sunn Hemp)
Medicinal
  1. Clitoria ternatea L. commonly called Supli is used as antidote for snake bite in traditional practice.
  2. Argyrolobium roseum (Camb.) Jaub and Spach locally called as Makhni booti is used for curing cough, constipation, alcer and asthma.
Others  
  1.   Indigofera tinctoria L. dye yielding (the famous of indigo of commerce).
  2. Abrus precatorius L. commonly called “Rati” its mature seeds used as weights by gold smiths.
  3. Butea monosperma (Lam.) Taub. Commonly called Dhak or Chachera used as an ornamental plant and also used for making eating plates.