Yeah, that’s right. I am studying for finals still. You’re welcome. Enjoy the cool pictures with the vocabulary.
Leaf parts
- Blade (Lamina)- the flattened part of the leaf
- Petiole- the stalk supporting the blade
- Stipules- parts located at the base of a leaf that joins them stem
Arrangement or Phyllotaxy of the leaf
- Alternate- one leaf per node
- Opposite- two leaves per node
- Whorled- more than two leaves per node
Composition of the leaf
- Simple- blade has one segment
- Compound- blade is divided and has more than one segment
- Leaflets- separate segments of a compound leaf
- Pinnately Compound- leaflets that are along a primary rachis
- Bipinnately Compound- leaflets that have been divided twice
- Tripinnately Compound- leaflets that have been divided three times
- Palmately Compound- leaflets radiate from a central point
Shape of the Leaf
- Elliptic- leaf blade is widest in the middle
- Football shaped
- Ovate- the leaf is widest at or near the base
- Egg shaped
- Lanceolate- leaf is several times longer than wide but is widest near it’s base
- Lance shaped
- Obovate- leaf blade is widest near the apex
- Reverse egg shape
Margin
- The Margin is the side of the leaf
- Entire- smooth margin on the leaf
- Dentate- toothed margin on the leaf
- Serrate- saw toothed
Apex
- Acute- apex is from the straight sides
- Acuminate- base is formed from concave-ly curved sides
- Obtuse- with a rounded apex
Base
- Acute- base is formed from straight sides
- Acuminate- base is formed from concave-ly curved sides
- Obtuse- rounded apex
- Oblique- asymmetrical
Until next time
Toad's Permaculture 