Exam 3 Flashcards
1
Q
Pinus taeda
A
-Primary commercial pine species in the SE
2
Q
Pinus palustris
A
- Southern pine that is a fire climax
- one of 2 pines from which naval stores are produced
- susceptible to brown spot needle blight during grass stage
- most resistant S pine to fire, insects, and disease
- grass stage typical (no varieties)
3
Q
Pinus contorta
A
- var. latifolia being devastated by mountain pine beetles
- shad intolerant pioneer of both montane and subalpine zone
- serotinous cones
4
Q
Pinus elliottii
A
- much more abundant today due to fire suppression
- var densa has a grass stage
- used for naval stores
- highly susceptible to fusiform rust
- once restricted to wet areas due to susceptibility from fire
5
Q
Pinus flexilis
A
- long lived pioneer of upper subalpine zone
- Clarks nutcracker is a dispersal agent
6
Q
Pinus echinata
A
- littleleaf disease is serious on poorly drained soils
- southern pine that provides woodpecker habitat in App mtns
- can sprout from base when injured (young)
- found in S App mtns
7
Q
Pinus ponderosa
A
- most important Pinus spp in the US
- most widely distributed pine in the US
- shade intolerant pioneer of montane zone
- makes up lower timberline between montane and foothill zones
8
Q
Ilex opaca
A
- shad and salt tolerant subcanopy spp in the US
- understory tree on bottomlands or dry uplands in SE
9
Q
Taxodium distichum
A
- knees or pnuematophores
- can live for over 2000 years in swamps
- ascendens or var nutans
10
Q
Pseudotsuga menziesii
A
- most important lumber producing spp in the US
- var glauca
- 50% of standing timber in the West
11
Q
Chamaecyparis thyoides
A
- can regenerate via layering in acidic peatlands
- typically near US seaboard
- in pure stands in acidic peatlands along coast of Maine and Mississippi
12
Q
Picea engelmanii
A
- shad intolerant associate of Abies lasocarpa
- most shade tolerant Picea
- name comes from German-American physician and botanist
- most cold tolerant Picea
- Hybridizes with P. glauca
13
Q
Liquidambar styraciflua
A
- regenerates by root and stump sprouts and seed
- commercially valuable hardwood of the SE US swamps and old fields
- very valuable economic tree in the SE
- aggressive root sprouting pioneer of old fields in the SE
14
Q
Pinus edulis
A
- shade intolerant pioneer that dominates the foothill zone along with juniper spp
- essential for food, fuel, building materials for NA in the SE
- pesto made from pine nuts
- xeric climax
15
Q
Abies concolor
A
- most heat and drought tolerant abies spp in this section
- shad tolerant climax of the montane zone
