Family - Compositae | General Description in Semi-technical Terms
Class: 11
The compositae family is also known as sunflower family. This is the largest family of angiosperm. There are about 1000 genera and 2300 species. They are cosmopolitan in distribution. Some economically important members are:
- Helianthus annus, SUNFLOWER - Important for oil
- Chrysanthamum indicum, CHRYSANTHAMUM - Important ornamental flower
- Tagetes erecta, HAJARIPHOOL - Important ornamental flower
- Artemesia indica, TITEPATI - Important medicine for skin disease and antihelminthic
- Azeratum conyzoides, GANDHE - important medicine for cut and wound
- Carthamus tinctorius. KUSUM - important medicine
Habit/Habitat: Mostly they are annual herbs or perennial shrubs, some are climbers, wild or cultivated, ornamental, few are trees (Veronica arborea), hydrophytic, mesophytic or xerophytic.
Root: Tap root, branched or adventitious
Stem: Erect or prostrate, few are climbing, herbaceous or woody, solid or fistular, branched, cylindrical or angular, hairy or glabrous, sometimes underground or stem unbranched.
Leaf: Exstipulate or stipulate, petiolate, cauline and ramal, alternate or opposite or whorled, simple or compound, pinnately compound, alnceolate, serrate or entire, acute, unicostate, reticulate venation, sometimes leaves are modified into spines or reduced.
Inflorescence: Head or capitulum, Head consists of two types of flowers Ray florets and disc florets, Head is surrounded by involucre of bracts
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