Dendro Lecture 8 - Birch & Alder

0.0(0)
studied byStudied by 4 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/6

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

7 Terms

1
New cards

gray birch

Betulaceae Betula populifolia

Smalle tree, 30' tall

Leaves: very acute apex

Twigs: reddish brown, slender

Bark: offwhite, nonexfoliating, dirty paper birch

pioneer, nurse tree for next species

Fruit: female catkins compressed, longer

Site: dry, sterile, pioneer

Intol

Econ: ornamental, fuel

Eco: browse, nutrient restoration

Range: northeast US

<p>Betulaceae Betula populifolia</p><p>Smalle tree, 30' tall</p><p>Leaves: very acute apex</p><p>Twigs: reddish brown, slender</p><p>Bark: offwhite, nonexfoliating, dirty paper birch</p><p>pioneer, nurse tree for next species</p><p>Fruit: female catkins compressed, longer</p><p>Site: dry, sterile, pioneer</p><p>Intol</p><p>Econ: ornamental, fuel</p><p>Eco: browse, nutrient restoration</p><p>Range: northeast US</p>
2
New cards

red alder

Betulaceae Alnus rubra

Large tree 100' tall

leaves: ovate, elliptical, doubly serrate

Bark: greysih white, smooth or with small warts, inner bark bright red

Range: west coast

Site: pio after fire, best on moist bottom lands

Tol: intermediate 2-3 yrs then intol

Econ: pulp, furniture, veneer, fuel

Eco: not a prefered browse, except some deer and beaver

Fixes nitrogen issues

Range: western coast of US & canada

<p>Betulaceae Alnus rubra</p><p>Large tree 100' tall</p><p>leaves: ovate, elliptical, doubly serrate</p><p>Bark: greysih white, smooth or with small warts, inner bark bright red</p><p>Range: west coast</p><p>Site: pio after fire, best on moist bottom lands</p><p>Tol: intermediate 2-3 yrs then intol</p><p>Econ: pulp, furniture, veneer, fuel</p><p>Eco: not a prefered browse, except some deer and beaver</p><p>Fixes nitrogen issues</p><p>Range: western coast of US & canada</p>
3
New cards

Yellow Birch

Betulaceae Betula alleghaniensis

Leaves: birch leaves

twigs: smell like winter green

Bark: bronze, exfoliating, dark plates on older trees

Fruit: female catkins

Range: northeast, all over, norther great lakes

inter tol

Econ: flooring furniture, cabinets

Evo: ungulate browse, moose

<p>Betulaceae Betula alleghaniensis</p><p>Leaves: birch leaves</p><p>twigs: smell like winter green</p><p>Bark: bronze, exfoliating, dark plates on older trees</p><p>Fruit: female catkins</p><p>Range: northeast, all over, norther great lakes</p><p>inter tol</p><p>Econ: flooring furniture, cabinets</p><p>Evo: ungulate browse, moose</p>
4
New cards

black birch

Betulaceae betula lenta

Twigs: smell like wintergreen

Bark: reddish brown-black, non exfoliating, greying with age

Fruit: catkins, female oblong oval, short stalked, males preformed, no stump sprouts

Range: northeast appalachians, ME to AL

Site: deep rich moist soil, well drained

Intol

Eco & econ: same as yellow

<p>Betulaceae betula lenta</p><p>Twigs: smell like wintergreen</p><p>Bark: reddish brown-black, non exfoliating, greying with age</p><p>Fruit: catkins, female oblong oval, short stalked, males preformed, no stump sprouts</p><p>Range: northeast appalachians, ME to AL</p><p>Site: deep rich moist soil, well drained</p><p>Intol</p><p>Eco & econ: same as yellow</p>
5
New cards

Paper Birch

Betulaceae Betula papyrifera

Form: medium sized, 80 yrs (young)

Bark: cahlky white, exfoliates

Fruit: male premormed, female 1.5-2" long, samara with bracts, can stump sprout

Range: transcontinental, primarily canada

intol

Econ: canoes, fuel, pulp pallets, cabinets

Eco: ungulate browse, buds and catkins eaten by birds

<p>Betulaceae Betula papyrifera</p><p>Form: medium sized, 80 yrs (young)</p><p>Bark: cahlky white, exfoliates</p><p>Fruit: male premormed, female 1.5-2" long, samara with bracts, can stump sprout</p><p>Range: transcontinental, primarily canada</p><p>intol</p><p>Econ: canoes, fuel, pulp pallets, cabinets</p><p>Eco: ungulate browse, buds and catkins eaten by birds</p>
6
New cards

river birch

Betulaceae Betula nigra

Leaves: rhombic or ovate

Twigs: reddish brown, slender

Fruit: catkins, female cylindrical, males preformed

Bark: salmon-pink, exfoliating esp when young

Range: southeast US

Site: alluvial soils, dry sites

Intol

Econ: pulp wood, woodworking, strip mine recalimation, erosion control

Eco: ungulate browse

<p>Betulaceae Betula nigra</p><p>Leaves: rhombic or ovate</p><p>Twigs: reddish brown, slender</p><p>Fruit: catkins, female cylindrical, males preformed</p><p>Bark: salmon-pink, exfoliating esp when young</p><p>Range: southeast US</p><p>Site: alluvial soils, dry sites</p><p>Intol</p><p>Econ: pulp wood, woodworking, strip mine recalimation, erosion control</p><p>Eco: ungulate browse</p>
7
New cards

Speckled Alder

Alnus incana ssp. rugosa

Form: multi stemmed shrub, 10-15' tall, very dense

Twigs: stalked buds

Fruit: males pendant, females look like small pinecones

Ranfe: hudson bay to VA; newfoundland to saskatwchewan

Intol

Econ: biomass

Eco: fized Nitrogen, ungulate browse

<p>Alnus incana ssp. rugosa</p><p>Form: multi stemmed shrub, 10-15' tall, very dense</p><p>Twigs: stalked buds</p><p>Fruit: males pendant, females look like small pinecones</p><p>Ranfe: hudson bay to VA; newfoundland to saskatwchewan</p><p>Intol</p><p>Econ: biomass</p><p>Eco: fized Nitrogen, ungulate browse</p>

Explore top notes

Explore top flashcards