In this article we will discuss about:- 1. Characters of Arecaceae 2. Distribution of Arecaceae 3. Economic Importance 4. Affinities 5. Important Type. Characters of Arecaceae: Mainly trees with stout unbranched stem ending in crown of leaves; leaves large, compound, alternate, young leaves are plicate, exstipulate with long petioles; inflorescence enclosed in a persistent spathe; flowers unisexual; perianth 6 in [...]
In this article we will discuss about:- 1. Characters of Asteraceae 2. Distribution of Asteraceae 3. Economic Importance 4. Affinities 5. Important Types. Characters of Asteraceae: Mostly herbs or shrubs or rarely trees; leaves alternate rarely opposite, exstipulate rarely stipulate; inflorescence capitulum or head surrounded by involucre of bracts; ray and disc florets, flower tubular or ligulate, flowers bi- or [...]
In this article we will discuss about:- 1. Characters of Commelinaceae 2. Distribution of Commelinaceae 3. Economic Importance 4. Affinities 5. Important Type. Characters of Commelinaceae: Herb with jointed stem; leaves sheathing and alternate; in florescence cincinnus; flower, hermaphrodite, actinomorphic; perianth leaves 6 in two whorls; stamens 3+3 or 3; some reduced to staminodes; carpels 3, superior, axile placentation. A. [...]