betulaceae and juglandaceae

Betulacea betula, alnus and ostrya
juglandacea juglans and carya

11 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Question 1
Sex: monecious
leaves: ovate to eliptic, toothed, rusty hairy underneath
buds: on a stalk with valvate scales. opens like a clam with three parts
flowers: aments
males are pendant
females are persistent and bracts remain on tree after nutlets fall
bark: smooth
fruits: fruits: ovoid conelike cluster. scaled with winged nutlets
uses: fixes nitrogen, deer and moose browse leaves, streamside stabilization, birds eat nutlets
sites: drier site
Betulacea Alnus incana

mountain alder

(subspecies: ssp tenufolia)
Question 2
Sex: monecious
leaves: ovate to eliptic, toothed, rusty hairy underneath
buds: on a stalk with valvate scales. opens like a clam with two parts
flowers: aments
males are pendant
females are persistent and bracts remain on tree after nutlets fall
bark: smooth
fruits: fruits: ovoid conelike cluster. scaled with winged nutlets
uses: fixes nitrogen
Betulacea Alnus rubra

red alder
Question 3
Sex: monecious
leaves: ovate to eliptic, toothed, branched vein at margin
buds: like a hop
flowers: aments
males are pendant
females are persistent
bark: rough
uses: wood, birds use for food
Betulaceae Ostrya virginiana

eastern hophornbeam
Question 4
Sex: monecious
leaves: ovate to eliptic, with lobes or large serrations
buds:
flowers: aments
bark: white upper. Furrowed at base
fruits:dehiscant strobiles with nutlet attached to bracht
uses:wood in europe, landscaping in us.
Betulaceae Betula pendula

weeping birch
Question 5
Sex: monecious
leaves: ovate to eliptic, serrate or doubly serrate
buds:
flowers: aments
bark: white upper. Furrowed at base
fruits:dehiscant strobiles with nutlet attached to bracht
uses:clothespins, dowell rods, airplanes
strong wintergreen flavor in branches
Betulaceae Betula alleghaniensis

yellow birch
Question 6
Sex: monecious
leaves: ovate to eliptic, slightly wider than long, more rounded. serrate or doubly serrate
flowers: aments. Males are smooth, females are rough
bark: white upper.exfoliates horizontally
fruits:dehiscant strobiles with nutlet attached to bracht
uses: swabs, kabobs, no flavor
Betulaceae Betula papyrifera

paper birch
Question 7
Sex: monecious
leaves: ovate to eliptic, small leaves. serrate or doubly serrate
flowers: aments. Males are smooth, females are rough
bark: white upper
fruits:dehiscant strobiles with nutlet attached to bracht
sites: by the water
Betulaceae Betula occidentalis

water birch
Question 8
Sex: monecious
leaves: compound pinate, underdeveloped terminal leaf
flowers: males- aments \ females- solitary groups of 2-5
bark: dark brown, furrowed
fruits:drupaceous nut
sites: bottomland cove
uses: furniture, gun stocks
twig pith: butter colored and chambered
Juglandaceae Juglans nigra

black walnut
Question 9
Sex: monecious
leaves: compound pinate, tomnatose, well developed terminal leaf
flowers: staminate
bark: lighter colored, furrowed
fruits:drupaceous nut, egg shaped, sticky
sites: bottomland cove
uses: furniture, gun stocks in europe
twig pith: dark colored and chambered
Juglandaceae Juglans cinerea

butternut
Question 10
Sex: monecious
leaves: compound pinate, tomnatose, terminal leaflet is much larger. 5 total leaflets
flowers: staminate and aments, distillate flowers in 2's and 3's
buds: short
bark: shaggy dark
fruits:drupaceous nut, suture lines break apart entirely
sites: uplands, associates with maples, beech and birch
Juglandaceae Carya ovata

shagbark hickory

(eucarya subgenus)
Question 11
Sex: monecious
leaves: compound pinate, tomnatose, terminal leaflet is much larger. no tomentum.
flowers: staminate and aments, distillate flowers in 2's and 3's
buds: sulphur colored
bark: furrowed
fruits:drupaceous nut with husk, suture lines do not split pole to pole. stay connected.
sites: uplands. northernmost species of the genus
Juglandaceae Carya cordiformis

bitternut hickory

(apocarya subgenus)