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Picea pungens Engelm.
COLORADO SPRUCE
Blue spruce; Colorado Blue Spruce

Life   Plantae   Gymnospermae   Pinaceae   Picea

Picea pungens, whole tree - general
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, whole tree - general

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Picea pungens, whole tree - general
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, whole tree - general
Picea pungens, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - showing orientation on twig

Picea pungens, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - entire needle
Picea pungens, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, twig - showing attachment of needles

Picea pungens, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - showing orientation on twig
Picea pungens, bark - of a medium tree or large branch
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, bark - of a medium tree or large branch

Picea pungens, bark - of a small tree or small branch
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, bark - of a small tree or small branch
Picea pungens, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - entire needle

Picea pungens, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - showing orientation on twig
Picea pungens, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, leaf - showing orientation on twig

Picea pungens, bark - of a large tree
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, bark - of a large tree
Picea pungens, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, twig - showing attachment of needles

Picea pungens, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, twig - showing attachment of needles
Picea pungens, twig - after fallen needles
© Copyright Steve Baskauf, 2002-2011 · 4
Picea pungens, twig - after fallen needles

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma abietina @ BPI (1)

Phoma @ BPI (1)
Aphididae  Cinara ( @ AMNH_PBI (2); NCSU_ENT (6); CSCA_TCN (14)

Elatobium abietinum @ CSCA_TCN (8)
Biatorellaceae  Biatorella resinae @ BPI (1)
Botryosphaeriaceae  Diplodia pinastri @ BPI (1)
Ceratocystidaceae  Ceratocystis gossypina @ BPI (1)
Coccidae  Coccus hesperidum @ CSCA_TCN (1)

Physokermes hemicryphus @ CSCA_TCN (6)
Coleosporiaceae  Chrysomyxa arctostaphyli @ BPI (18)

Chrysomyxa cassandrae @ BPI (6)

Chrysomyxa ledi @ BPI (4)

Chrysomyxa ledicola @ BPI (6)

Chrysomyxa weirii @ BPI (7)

Chrysomyxa @ BPI (1)
Coniophoraceae  Coniophora corrugis @ BPI (1)
Corynidae  Coryne sarcoides @ BPI (1)
Cronartiaceae  Peridermium abietinum @ BPI (1)

Peridermium boreale @ BPI (1)

Peridermium conorum @ BPI (1)
Cucurbitariaceae  Cucurbitaria piceae @ BPI (2)
Dermateaceae  Dermea @ BPI (1)

Pezicula livida @ BPI (2)
Diaporthaceae  Phomopsis juniperovora @ BPI (1)
Diaspididae  Aonidiella aurantii @ CSCA_TCN (1)

Aspidiotus nerii @ CSCA_TCN (1)

Chionaspis pinifoliae @ CSCA_TCN (1)
Fomitopsidaceae  Daedalea unicolor @ BPI (1)
Hyaloscyphaceae  Dasyscyphus ellisiana @ BPI (1)

Dasyscyphus oblongosporus @ BPI (1)

Dasyscyphus resinarius @ BPI (1)
Lophiostomataceae  Herpotrichia nigra @ BPI (1)
Miridae  Atractotomus magnicornis @ AMNH_PBI (109)

Deraeocoris brevis @ AMNH_ENT (1)

Deraeocoris davisi @ AMNH_ENT (2)

Deraeocoris diveni @ AMNH_ENT (14)

Deraeocoris fulvescens @ AMNH_ENT (1)

Deraeocoris incertus @ AMNH_ENT (4)

Deraeocoris piceicola @ AMNH_ENT (1)

Dichaetocoris piceicola @ AMNH_ENT (2)

Goodeniaphila cassisi @ AMNH_PBI (1)

Orthotylus pennsylvanicus @ AMNH_PBI (2)

Phytocoris sagax @ AMNH_ENT (1)

Pilophorus piceicola @ AMNH_PBI (3)

Plagiognathus vitellinus @ AMNH_PBI (4)

Psallovius dimorphicus @ AMNH_PBI (16)

Psallovius piceicola @ AMNH_PBI (20)

Pseudoxenetus regalis @ AMNH_IZC (1)
Mycosphaerellaceae  Discella strobilina @ BPI (1)
Nectriaceae  Nectria episphaeria @ BPI (1)
Phacidiaceae  Phacidium infestans @ BPI (4)
Phaeosphaeriaceae  Setomelanomma holmii @ BPI (2)
Polyporaceae  Lenzites saepiaria @ BPI (2)

Polyporus adustus @ BPI (1)

Polyporus semisupinus @ BPI (1)

Polyporus versicolor @ BPI (1)

Trametes heteromorpha @ BPI (1)
Pseudococcidae  Pseudococcus longispinus @ CSCA_TCN (1)
Pucciniastraceae  Melampsorella caryophyllacearum @ BPI (2)

Melampsorella cerastii @ BPI (2)
Reduviidae  Sinea @ AMNH_PBI (1)
Rhizinaceae  Rhizina undulata @ BPI (1)
Rhytismataceae  Lophodermium macrosporum @ BPI (4)
Sclerotiniaceae  Botryotinia fuckeliana @ BPI (2)
Steccherinaceae  Steccherinum ochraceum @ BPI (1)
Valsaceae  Cytospora kunzei @ BPI (4)

Cytospora @ BPI (1)
Venturiaceae  Rhizosphaera kalkhoffii @ BPI (13)
_  Ascochyta piniperda @ BPI (1)

Coccopeziza @ BPI (1)

Megaloseptoria mirabilis @ BPI (1)

Phragmotrichum chailletii @ BPI (2)

Sirococcus conigenus @ BPI (1)

Stigmina lautii @ BPI (3)

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Following modified from The Gymnosperm Database
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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 2 | Pinaceae | Picea

6. Picea pungens Engelmann, Gard. Chron. n. s. 11: 334. 1879.

Blue spruce, Colorado blue spruce, épinette bleue, pino real

Picea parryana Sargent

Trees to 50m; trunk to 1.5m diam.; crown broadly conic. Bark gray-brown. Branches slightly to strongly drooping; twigs not pendent, stout, yellow-brown, usually glabrous. Buds dark orange-brown, 6--12mm, apex rounded to acute. Leaves 1.6--3cm, 4-angled in cross section, rigid, blue-green, bearing stomates on all surfaces, apex spine-tipped. Seed cones (5--)6--11(--12)cm; scales elliptic to diamond-shaped, widest below middle, 15--22 ´ 10--15mm, rather stiff, margin at apex erose, apex extending 8--10mm beyond seed-wing impression. 2 n =24.

Midmontane forests; 1800--3000m; Ariz., Colo., Idaho, N.Mex., Utah, Wyo.

Limited hybridization occurs between Picea pungens and P . engelmannii (R.Daubenmire 1972; R.J. Taylor et al. 1975).

Blue spruce ( Picea pungens ) is the state tree of Colorado (as Colorado blue spruce) and Utah.

Updated: 2024-04-13 16:23:56 gmt
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