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Carya glabra

Carya glabra (Mill.) Sweet

Carya glabra (Mill.) Sweet var. glabra

Carya glabra (Mill.) Sweet var. hirsuta (Ashe) Ashe

Carya glabra (Mill.) Sweet var. megacarpa (Sarg.) Sarg.

Carya leiodermis Sarg.

Carya magnifloridana Murrill

Carya microcarpa (Nutt.) Britton

Carya ovalis (Wangenh.) Sarg. var. hirsuta (Ashe) Sarg.

Carya ×ovalis (Wangenh.) Sarg. var. hirsuta (Ashe) B. Boivin nom. illeg.

Hicoria austrina Small

Hicoria glabra (Mill.) Britton

Hicoria glabra (Mill.) Britton var. hirsuta Ashe

Pignut Hickory

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderFagalesBirch, she-oak, beech, walnut, bayberry, others
FamilyJuglandaceaeWalnut family
GenusCaryaGreek κάρυον, “nut”
Speciesglabra“Smooth or hairless”

About plant names...

Pignut hickory is common, but not abundant, in forests in the eastern United States.

Identification: Pignut hickory is up to 60' (18 m) high and 35' (10 m) wide. Leaves are shiny green, bright yellow in fall, in groups of 5 or 7 leaflets. Male flowers are catkins 2-3" (5-7.6 cm) long, hanging in groups of 3. Female flowers are short, clustering at the ends of branches. Seeds are 1-2" (2.5-5 cm) in diameter, enclosed in thin husks. They may be oval or pear-shaped.

Carya glabra (Pignut Hickory)

By Steve Hurst @ USDA-NRCS PLANTS Database.

Online References:

Carya glabra on the Encyclopedia of Life

Carya glabra at the USDA Forest Service's Silvics of North America site

Carya glabra at the Vanderbilt University Bioimages web site

Carya glabra at Illinois Wildflowers

Carya glabra on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences

Carya glabra at the University of Connecticut Plant Database

Carya glabra at the Lady Bird Johnson Wildflower Center

Carya glabra on eFloras

References:

Dirr, Michael A., Dirr’s Hardy Trees and Shrubs, Timber Press, 1997

Carya glabra description by Thomas H. Kent, last updated 16 Aug 2013.

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Carya glabra (Pignut Hickory)

7/28/2009 · Near Nashua River Boat Ramp, Groton, MA
≈ 10 × 7" (26 × 17 cm) ID is uncertain

Range:

About this map...