Anatomy of Flowering Plants
ADDITIONAL INFORMATION
v N.Grew (1682): Father of Plant Anatomy; coined the terms ‘tissue’ and ‘parenchyma’.
v Negeli (1858): Gave the terms meristem, xylem and phloem.
v Schlieden (1839):Coined the term ‘collenchyma’.
v Harting (1839):Discovered sieve tube.
v Methenium (1805):Discovered and gave the term ‘sclerenchyma’.
v Sanio (1863):Discovered and gave the term trachied.
v Angiosperms without Vessels: Members of family Winteraceae, Tetracentraceae and Trochodendraceae.
v Gymnosperm with Vessels: Members of group Gnetales.
v Pteridophytes with Vessels: Occasional in species Selaginella, Dryopteris, Marselia, etc
v Endodermoid: Endodermis of young stem when it lacks casparian strips.
v Knot: A wound or base of a fallen branch covered by the growth of secondary tissues around it.
v Schizogenous Cavity: Cavity formed by the separation of cells or enlargement of intercellular spaces.
v Lysiogenous Cavity: Cavity formed by the degeneration of cells.
v Most Durable Wood: Teak (Tectona grandis).
v Most Durable Softwood: Cedrus deodara.
v Heaviest Wood: Guaiacum officinale: In India Acacia sundra.
v Lightest Wood: Ochroma pyramidale (=O.lagopus).
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