Leaf shape

Chart illustrating leaf morphology terms
Oddly pinnate, pinnatifid leaves (Apium graveolens, celery)
Perfoliate bracts completely surrounding the plant stem (Lonicera sempervirens)
Partial chlorosis revealing palmate venation in simple leaves of Hibiscus mutabilis
A single laciniate leaf of Adenanthos sericeus

In botany, leaf shape is a description of the form of the part of a plant known as the leaf. Leaf shape is a component of plant morphology used in the description and taxonomy of plants. being one of the more visible features, leaf shape is commonly used for plant identification. leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets), have a regular or irregular border, be smooth or bearing hair, bristles or spines. In compound leaves, the arrangement and form of the edges of the leaflets determine the overall leaf shape, as well as the arrangement of the veins.

List of leaf shapes

Leaf shape may be described with a variety of terms, including the following (with botanical Latin in italics in brackets).

Serenoa seedlings have pleated elliptic leaves, but mature plants have pleated palmate leaves.

See also

References

  1. Mucronate, Answers.com, from Roget's Thesaurus.
  2. "Cumulative Glossary for Vascular Plants". Flora of New South Wales.
  3. "palmate (adj. palmately)". GardenWeb Glossary of Botanical Terms.
  4. "Pedate leaf". Retrieved February 24, 2014.
  5. "Pedatifid". Retrieved February 24, 2014.

Bibliography

External links

This article is issued from Wikipedia - version of the Tuesday, February 09, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.