Offers the definition, derivation, and type or gender for the botanical names of numerous alpine plants.

Searchable glossary defines more than 2,500 terms relating to botany, horticulture, and landscape architecture.

Check out the definition and detailed explanation of this life cycle occurrence common in algae, plants, and some invertebrates.

Read basic information about the phylum Angiosperm, including its specific characteristics, geography, and abundance.

Virtual encyclopedia entry describes the physical attributes, definition, and general uses of tree covering known as bark.

Encyclopedia entry supplies an introductory profile of the plant-studying branch of science.

Virtual encyclopedia defines bryophytes, a term used to describe non-vascular plant species including mosses and lichens.

Web-based free encyclopedia provides a detailed description of a bulb, or a mass of leaves which supports and nourishes plant buds.

Find out how water cycles from the earth to the atmosphere via evaporation and plant respiration.

Find a description of plant tissue swelling and its various forms, and the reasons for this phenomenon.

Find out about storing plant genetic material in the forms of seeds, pollen, and cell cultures.

Gives a definition of the term used in botany to describe a plant's reproductive behavior.

Illustrates how plants capture nitrogen from the atmosphere. Follow this element from the air to the soil and plants.

Defines the role of special root-associated bacteria in capturing nitrogen from the atmosphere.

Gives the botanical definition of the term in its loose and strict sense.

Concise encyclopedia article presents the commercial uses and sources of seed oils and gives a description of the extraction process.

Concise reference listing describes this plant derivative and its uses.

Defines the scope of the plant kingdom, discusses the classifications, and presents a detailed discussion of plant cells, tissues, and organs.

Describes this fertilization process of plants, the two types of pollination, and mentions the different agents.

Reference listing provides a description of these naturally occurring pigments, their uses, and sources.

Discussion on natural and synthetic rubber provides details on their history, production and process.

Read about the uses and origin of this plant extract.

Reference entry describes the plant fluid and its functions and lists the common kinds.

Reference article provides a definition of the term, discusses the spice trade, and gives examples of spices derived from different plant parts.

Presents a description and the sources of this type of sugar.

Overview of this plant product provides details on the different kinds of sugar, its chemical composition, and the extraction process.

Browse an encyclopedia article about the derivation and distillation of turpentine. Also find links to related topics.

Learn about the adoption of the official flower for each state. Includes links to guides with gardening tips.