Search results
Results from the WOW.Com Content Network
The epidermis is a single layer of cells that covers the leaves, flowers, roots and stems of plants. It protects, regulates, secretes and absorbs, and has different cell types and structures depending on the plant species and organ.
A conifer cone or pinecone is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads. Learn about the anatomy, distribution, cultural uses and symbolism of different types of cones, such as Pinaceae, Araucariaceae, Podocarpaceae and more.
Learn about the different types of roots in vascular plants, such as primary, secondary, aerial and specialized roots, and their functions of anchorage, absorption and storage. Explore the anatomy, growth, regulation and evolution of root systems and their interactions with the environment.
Plant morphology is the study of the physical form and external structure of plants, and how they relate to evolution, development, and ecology. Learn about the four major areas of investigation, the concepts of homology and convergence, and the vegetative and reproductive characteristics of plants.
Plant anatomy is the study of the internal structure of plants, often involving microscopy and sectioning of tissues. Learn about the history, structural divisions, and applications of plant anatomy, and the difference between plant anatomy and morphology.
Acaulescent means having no apparent stem, or at least none visible above the ground surface. Some plants with this growth habit are Oxalis, Nolina, and Yucca. See also related terms and concepts in botany and plant morphology.
Ferns are vascular plants that reproduce by spores and have complex leaves called megaphylls. They belong to the group of ferns (Polypodiopsida or Polypodiophyta) that includes about 10,560 species and is estimated to have originated in the late Silurian period.
Botany is the natural science of plants, and it has many branches that study different aspects of plant life. Learn about the core, applied and organismal topics of botany, such as plant anatomy, ecology, genetics, biotechnology, and more.