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Pinus nigra ‘Arnold Sentinel’

Austrian pine

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionConiferophytaConifers—cone-bearing trees (and a few shrubs)
ClassPinopsidaGymnosperms such as cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews
OrderPinalesCone-bearing plants: cedar, cypress, fir, juniper, larch, pine, redwood, spruce, yew, and others
FamilyPinaceaePine family: cedars, firs, hemlocks, larches, pines and spruces
GenusPinusLatin for “pine”
Speciesnigra“Black” (not sure why though)
Cultivar‘Arnold Sentinel’

About plant names...

Austrian pines were introduced to the United States 1759. This cultivar was developed for landscaping use as a tall, narrow, columnar tree.

Identification: Trees are 20′ (6.1 m) tall, and oval and narrow in shape. Needles are in clusters of two, 4″ (10 cm) long, stiffer and denser than those of red pines. Inconspicuous flowers occur for a short time in April or May. Male flowers are clusters of orange-yellow catkins, while female flowers are small yellow-green conelike structures. Cones are up to 3″ (7.6 cm) long, and pale brown or yellow brown in color.

Online References:

Plants.bachmanslandscaping.com (Pinus nigra ‘Arnold Sentinel’)

The USDA Forest Service's Silvics of North America site (Pinus nigra)

The Ohio State University PLANTFacts database (Pinus nigra)

Wikipedia (Pinus nigra)

The University of Connecticut Plant Database (Pinus nigra)

The USDA Forest Service's Fire Effects Information Database (Pinus nigra)


Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, p. 29


Pinus nigra ‘Arnold Sentinel’ description by Thomas H. Kent, last updated 25 May 2020.

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Pinus nigra (Austrian pine)

9/7/2010 · Tower Hill Botanic Garden, Boylston, Mass­a­chu­setts

Pinus nigra (Austrian pine)

9/7/2010 · Tower Hill Botanic Garden, Boylston, Mass­a­chu­setts

Range: Zones 4:

About this map...