Osage Orange - Maclura pomifera
1. Branching / leaf arrangement (or leaf scars)
.... 1 Opposite
.... 2 Alternate
.... 3 Spiral
.... 4 Whorled 2. Internal feature of Twig (lateral section)

2. Internal feature of Twig (lateral section)
.... 1. Spongy & continuous
.... 2. Diaphragmed
.... 3. Chambered

3. Internal feature of Twig (cross section)
.... 1. Triangle
.... 2. Star shaped (multiple points)
.... 3. Round

4. Pith color
.... 1. White
.... 2. Brown
.... 3. Green
.... 4. Pink

5. Twig surface textures
.... 1. Hairy
.... 2. Glabrous
.... 3. Lustrous
.... 4. Thorns, spines or prickles

6. Twig taste / smell
.... 1. No taste / smell
.... 2. Disagreeable
.... 3. Bitter almond
.... 4. Wintergreen
.... 5. Camphor

7. Bark texture (age of tree will effect bark texture)
.... 1. Smooth
.... 2. Peeling
.... 3. Scaley (patches of thin bark)
.... 4. Shaggy
.... 5. Furrowed or ridges
.... 6. Blocky
.... 7. Netted (criss crossing pattern)

8. Branching pattern
.... 1. Monopodial (true end bud)
.... 2. Sympodial geniculate (zig-zag - end leaf - no end bud)

9. Leaf scar shape
.... 01. Horse shoe (nearly surrounds bud)
.... 02. U shaped
.... 03. Half round
.... 04. Crescent
.... 05. Shield shaped
.... 06. Heart shaped (or three lobed)
.... 07. V shaped
.... 08. Round
.... 09. Triangular
.... 10. Linear

10. Bark pattern around branches
.... 1. Round
.... 2. Tent
.... 3. Eye
.... 4. Drape
.... 5. Under only
.... 6. Cone
.... 7. None

11. Leaf type
.... 1. Simple
.... Compound
.... 2. Opposite or in pairs
.... 3. Alternate
.... 4. Basal
.... 5. Whorl or Spiral
.... 6. Double compound

 

Contributors to this page:

Leroy Jones, Woolwine, VA