Coniferophyta I: Introduction & Pinus

Question 1

Phylum Coniferophyta

Answer 1

1. most diverse clade of living gymnosperm
2. woody plants: trees and shrubs
3. axillary branching

Question 2

Pinnaceae

Answer 2

Most diverse family of living conifers

Question 3

Pinus leaves

Answer 3

1. Needle leaf

2. sheath

Question 4

Pine Needle (Tissue)

Answer 4

1. Resin Duct
2. Epidermis
3. Hypodermis
4. Mosophyll
5. endodermis
6. transfussion tissue
7. vascular bundle
8. stoma

Question 5

hard pine vs soft pine

Answer 5

Hard Pine (pinus): TWO vascular tissues

Soft Pine (Strobus): ONE vascular tissue

Question 6

Pinus cone structure

Answer 6

1. microsporophylls
2. microsporangia
3. pollen grains