•commelinaceae family ppt
•commelinaceae family taxonomy
•angiosperm families
•dicot family
•taxonomy family
•plant identification
•commelinaceae family classification
Msc botany families
•msc botany sem 2 families
5. GENERALCHARACTER
There are about 50 genera and 700 species
in this family.
•Habit
• Herb annual or perennial, erect or creeping rarely
climber.
•Root
•Adventitiousbranched
6. CONTINUE......
Stem
• Rhizome, branched jointed with swollen
nodes.
Leaves
•Simple, alternate with sheathing base and
narrow grass-like blades, entire margin,
linear, oval or lanceolate parallel venation.
7. CONTINUE......
Inflorescence
•Axillary, cincinnus, sometimes a
monochasial cyme which arises either in
the axil of a foliage leaf, e.g.,
Tradescantia or of a spathe-like bract.
Flower
•Complete, trimerous usually subtended
by foliaceous bract or spathe.
Commelina
8. CONTINUE.....
Perianth:
•Tepals six, in two whorls of three each,
the outer whorl green and the inner
usually blue, violet, yellow or white,
free, imbricate.
Androecium:
•Stamen 6, in two whorls, all functional
or more commonly some of them are
absent or represented by staminodes,
filaments.
9. CONTINUE.....
Gynoecium:
•Tricarpellary, syncarpous; ovary superior
trilocular or sometimes bilocular, axile
placentation; ovules one to many in each loculus;
style terminal; stigma capitate
Fruit:
•A loculicidal or indehiscent capsule.
Seed:
•Endospermic
Pollination:
•Entomophilous. Some are cleistogamous, so self-
pollinated.
12. ECONOMIC IMPORTANCE
1. Food:
•Leaves of Commelina are edible and fried with gram flour as Pakoras. The
rhizomes of Commelina benghalensis are used as vegetable.
2. Medicinal:
•The roots of Commelina obliqua are used as antidote to snake poison. The roots
of Cyanotis and Tradescantia are used for expelling worms in cattle as also for
fever.
3. Ornamental:
•Rhoeo discolor is used as potherb. Tradescantia, Cyanotis, Zebrina pendula are
ornamental.