Family- Palmae /// Arecaceae// B.Sc. 2nd year botany скачать в хорошем качестве

Family- Palmae /// Arecaceae// B.Sc. 2nd year botany

Family- Palmae /// Arecaceae// B.Sc. 2nd year botany 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 two whorls of 3 each; in male flower 6 stamens in two whorls, anthers versatile; in female flowers carpels three; apocarpous or syncarpous, superior, trilocular or rarely unilocular; fruit berry or drupe; seed endospermic. The Arecaceae are a botanical Family of perennial flowering plants in the monocot arecales. Their growth form can be climbers , shrubs, tree- like and stemless plants. The Family is commonly known as Palmae Family.. It includes 217 genera and 2500 species.. Habit-. tall, woody, unbranched stem bearing a crown type leaves , shrubs and herb Root:-. The roots are adventitious arising from the base of bulbous stem. Stem:-. Aerial ,woody ,erect, unbranched, very rarely branched, Leaves:- leaves are few in number and often very large . There are two important types of leaves present 1)- Palmately compound leaves 2) - Pinnately compound leaves Floral characters Inflorescence :- the inflorescence may be simple or spike. the inflorescence is also known as spadix. For more videos please subscribe my channel #biologybscnotes #palmae Family #monocot bscnotes #botanynotes,