In the majority of gymnosperms such as cycads and conifers, the wood comprises tracheids and lacks vessels. This wood is known as non-porous. On... View Article
Chlorenchyma is known to develop in the spore capsule of moss. The assimilatory parenchyma or Chlorenchyma are parenchymatous cells. They richly... View Article
The root system in plants emerges from the hypocotyl of the embryo of seeds. Typically, the root exhibits these four regions that merge into each... View Article
The endodermis is the single-layered structure separating the stele from the cortex. The endodermis exhibits both thick-walled and thin-walled... View Article
The main water-conducting elements of the xylem in gymnosperms are tracheids. Tracheids are long cells having sharpening ends. Because of the... View Article
In old trees, the greater part of the secondary xylem is dark brown because of the deposition of organic compounds such as oils, tannins, resins,... View Article
Companion cells are closely linked with sieve elements. These cells are found in the phloem of flowering plants. They shift sugar and amino acids... View Article
Ground tissue is all the tissues except the vascular bundles and the epidermis. They form the interior of organs, with the exception being the... View Article
Phellogen or cork cambium is a type of cambium. It emerges inside the outer layer of the stems of woody plants, typically, as a complete ring... View Article
Yes, companion cells are closely linked with sieve elements. These cells are found in the phloem of the flowering plants. Each of these companion... View Article
Bundle sheath cells are rich in RuBisCO. C4 plants exhibit Kranz anatomy. Mesophylls are undifferentiated in this case. Around the vascular... View Article
Lateral meristems are the meristems that are found along the lateral sides of roots and stem. It can only divide in the radial direction.... View Article
The cells of cambium found between primary phloem and primary xylem in dicot stems are the intra-fascicular cambium. The cells of the medullary... View Article
The age of a plant can be determined by counting the annual rings. This is known as dendrochronology. It is the scientific method of dating tree... View Article
Due to secondary growth, lenticels are formed in the bark. These are lens-shaped openings allowing the exchange of gases in woody trees. They are... View Article
Tracheids differ from other tracheary elements in being imperforated. Tracheids are extended, having wide lumens, dead cells comprising hard... View Article
The specialized epidermal cells which surround the guard cells are known as subsidiary cells. The stem and leaf epidermis of plants possess small... View Article
Tyloses are balloon-Âlike extensions of parenchyma cells that protrude into the lumen of an adjacent xylem vessel or tracheid through a pit in... View Article
Yes, new banana plants can develop from suckers. Suckers are the sub-aerial modifications of the stems which grow obliquely upwards from the main... View Article
Velamen is found in the aerial roots of orchids and Clivia species. The aerial roots in many epiphytic orchids are covered by hygroscopic velamen... View Article
