1. Morphology of Range Plants

2. Plant Morphology  Describes the physical form and external structures of a plant

3. Leaves  Important characteristics Type Arrangement Shape Margin Veination

4. Leaf Types  Simple  Compound Compound - PalmateCompound - Pinnate

5. Leaf Type: Simple or Compound

6. Leaf Arrangements Alternate OppositeWhorled

7. Leaf Arrangement Alternate Opposite Whorled

8. Leaf Shapes Ovate Palmate Linear EllipticLanceolateOblanceolate Wedge-shapedArrow-shapedObovate

9. Leaf Shapes Ovate Populus tremuloides Palmate Acer glabrum Linear Salix exigua Elliptic Arctostaphylos pungens Lanceolate Senecio serra Oblanceolate Hymenoxys hoopesii Wedge-shaped Artemisia tridentata Arrow-shaped Balsamorhiza sagittata Obovate Arctostaphylos Uva-ursi

10. Leaf Margins Serrated Lobed-pinnateLobed-palmate ToothedScallopedEntire

11. Leaf Veinations ParallelPinnate PalmateNetted

12. Parallel Venation Pinnate Venation Palmate Venation Netted Venation

13. More Leaf Margins www.infovisual.info/01/011_en.html If a leaf margin is very ragged and like it has been cut and sliced… then the margin would be called insized or divided. It could be palmately divided, pinnately diviced or highly divided:

14. Stems Hollow or PithySolid Not JointedSolidWoody Solid GrassesGrass-likesForbsShrubs (Sedges)(Rushes)

15. Roots

16. Structure for Plant Propagation Rhizomes are underground modified stems that give rise to new plants. Stolons are aboveground modified stems that give rise to new plants. Both are forms of asexual reproduction. “Sod-forming” plants have rhizomes or stolons

17. Flowers  Inflorescence types SpikeRaceme Panicle UmbelHead

18. Flowers  Composite Heads Ray FlowersDisk FlowersRay and Disk Flowers

19. Composite Seed heads  Ray & Disk flowers  Ray flowers only  Disk flowers only Tetradymia canescens

20. Grass Morphology www.fsl.orst.edu/forages/