7. Gymnospermae

Question 1

Gymnosperm is derived from Greek words: (2)

Answer 1

gymnos - “naked,”
sperma - “seed”

Question 2

four divisions (phyla) of gymnosperms

Answer 2

• Pinophyta (Coniferae)
• Ginkgophyta,
• Cycadophyta
• Gnetophyta

PGCG

Question 3

______: _____ family

• has significant economic importance for wood, paper, resins, and ornamentals

Answer 3

Pinaceae: Pine Family

Question 4

______: _____ family

• harvested for softwood lumber

Answer 4

Pinaceae: Pine Family

Question 5

______: _____ family

• resins: terpenes, oils, and waxes which are used as
  waterproof coatings and sealers since ancient
  times.

Answer 5

Pinaceae: Pine Family

Question 6

______: _____ family

• 30 genera of trees and shrubs including: ______ (Cupressus), _______ (Juniperus), ________ (Sequoiadendron), and _______ (Sequoia)
• Several genera are economically important for wood, flavorings, and fragrances

Answer 6

Cupressaceae: Cypress Family

• cypress
• juniper
• giant sequoias
• redwood

Question 7

______: _____ family

• The _________ (Taxus brevifolia Nutt.) is the original source of the cancer drug paclitaxel.
• The extracts also showed in vitro activity against human oral epidermoid carcinoma (KB)

Answer 7

Taxaceae: Yew Family

pacific yew