Plant Structure Outline
I. Roots (audio)
1. fibrous
2. tap
3. rhizome
4. tuber
5. corm
6. bulb
II. Shoots
1. node
2. internode
III. Leaves(audio)
A. Blade
1. arrangement on stem--
opposite, alternate, whorled
2. stem, rosette, basal
3. petiole
a. sessile
b. channeled
c. sheathing/clasping
4. leaf bases
5. leaf apices
B. Shape
1. linear
2. oblong
3. elliptic
4. ovate
5. obovate
6. lanceolate
7. oblanceolate
8. spatulate
9. orbicular
10. rhomboidal
11. reniform
12. acicular
13. filiform
C. Margins
1. entire
2. revolute
3. sinuate
4. ciliate
5. toothed
a. crenate
b. sinuate
c. dentate
e. serrate
f. double serrate
g. incised
D. Divisions
1. entire
2. compound
a. once, twice, more
b. pinnate, palmate
E. Surfaces
1. glabrous
2. pubescent--tomentose, rugose, etc.
3. glaucous
IV. Flowers (audio)
A. Individual
1. sepals, calyx
2. petals, corolla
3. stamen
4. pistil
5. monoecious
6. dioecious
B. Arrangement--inflorescence
1. determinate, indeterminate
2. terminal, lateral
3. regular, irregular
4. spike
5. raceme
6. panicle
7. corymb
8. umbel
9. head (capitulum)
10. cyme
11. spathe, spadix
12. composite