Biology of Plants Practicum Terms

A seed-producing annual, biennial, or perennial that does not develop persistent woody tissue, but dies down at the end of a growing season. May be valued for its medicinal, savory, or aromatic qualities.

A perennial, low, woody plant with several stems arising from or near the ground.

A woody perennial plant having a single usually elongated main stem (trunk), generally with few or no branches on its lower part.

Narrow-leaved herb with jointed stems and spike-like flowers.

Non-vascular plant without true roots (rhizoids) and without vascular tissue. Haploid generation is dominant.

Vascular plant with true roots. Diploid generation is dominant. Leaves are fronds emerging with fiddleheads. Reproduces with spores.

A plant growing on another plant without deriving direct nutrition from host plant.

A plant with long, slender, weak stems that are unable to support their own weight and are supported by other plants or trail on the ground - "hebaceous" or woody.

A woody vine supported by other plants.

A plant that obtains nutrients from another plant (host). The association is beneficial to the plant, but harmful to the host.

A parasite completely dependant on the host.

A parasite that obtains nutrients and water from the host, but is photosynthetic.

Having the characteristics of an herb. Stems have little or no woody tissue and persist usually for a single growing season.

Having persistent stems containing wood, i.e. secondary growth via an active vascular cambium.

An hebaceous plant that grows from seed, reproduces then dies in one growing season.