Pignut Hickory Carya glabra By David Marquardt

Classification (2) Kingdom Plantae Subkingdom Tracheobionta Superdivision  Spermatophyta Division  Magnoliophyta Class  Magnoliopsida Subclass  Hamamelididae Order  Juglandales Family  Juglandaceae Genus  Carya Nutt. Species  Carya glabra (Mill.) Sweet

Shape and Form (2) A pignut can grow 60 ft. high and have a spread of 20 -30 ft. The trunk of a pignut grows long and straight. It forms an open crown in a regular oval shape Figure 1

Bark and Twigs (3) The bark of a Pignut Hickory has long close together ridges. The ridges are crooked and on old age become shaggy The twig can be stout or slender, and the leaf scars have three lobes that form a monkey face Figure 2 Figure 3

Leaves (3) Figure 4 The leaves are pinnately compound and alternate. The leaf is 8-twelve inches long with5 or 7 leaflets each. They are toothed, lanceolate, slender, and glabrous The leaves are green on top and paler below

Buds, Fruits, and Flowers (3) Figure 5 The terminal bud is small and light brown in color. It is covered with tiny fine hairs The fruit of a pignut is pear shaped It has a thin outer husk that cracks when mature. The nut is round but flattened. The seed itself is bitter and inedible The male flowers (catkins) are 2-3 inches long and hang in threes. Females are smaller and hanger near the end of the branch Figure 6 Figure 7

Habitat and Range (4) Figure 8 Excluding Northern Michigan, Pennsylvania, Maine, Vermont, New Hampshire, and Southern Florida, the Pignut Hickory grows every East of the Mississippi River. It also grows in Missouri Arkansas and Louisiana. The pignut grows mostly on dry ridge tops but has been sighted at low elevations in sandy soils Figure 8

Uses (4) Pignut Hickory is most commonly used by humans as firewood This is an important shade tree in suburban areas, although it is rarely planted for that purpose The bark, fruits, and leaves provide food for many different kinds of wildlife. Including deer, bears, raccoons, squirrels, foxes, and songbirds Figure 9

Bibliography 1 " Pignut Hickory." Trees, Plants, Bushes, and Shrubs offered by Nature Hills Nursery. Nature Hills Nursery, n.d. Web. 24 June 2010. http://www.naturehills.com/product/pignut_hickory.aspx 2 "Classification | USDA PLANTS." Welcome to the PLANTS Database | USDA PLANTS. USDA, n.d. Web. 24 June 2010. http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=CAGL8&display=31 3 Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19 4 Smalley, Glendon. "Carya glabra (Mi I I." Northeastern Area State & Private Forestry - USDA Forest Service. N.p., n.d. Web. 24 June 2010. http://na.fs.fed.us/pubs/silvics_manual/volume_2/carya/glabra.htm

Bibliography (cont.) Figures 1. " Pignut Hickory." Trees, Plants, Bushes, and Shrubs offered by Nature Hills Nursery. Nature Hills Nursery, n.d. Web. 24 June 2010. http://www.naturehills.com/product/pignut_hickory.aspx 2. Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19 3. Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19 4. Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19

Bibliography (cont.) Figures 5. Sayers, Josh. "pignut hickory." Winter trees and shrubs. N.p., n.d. Web. 24 June 2010. http://www.portraitoftheearth.com/trees/pignuthickory.html 6. Evans, Chris. "1380300 - pignut hickory, Carya glabra (Juglandales: Juglandaceae) @ Forestry Images." Forestry Images: Forest Health, Natural Resources, Fire, Trees, Wildlife, Silviculture Photos. N.p., 24 June 2005. Web. 24 June 2010. http://www.forestryimages.org/browse/detail.cfm?imgnum=1380300 7. Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19 8. Smalley, Glendon. "Carya glabra (Mi I I." Northeastern Area State & Private Forestry - USDA Forest Service. N.p., n.d. Web. 24 June 2010. http://na.fs.fed.us/pubs/silvics_manual/volume_2/carya/glabra.htm 9. Seiler, John. "Carya glabra Fact Sheet." College of Natural Resources | Virginia Tech . Virginia Department of Forest Resources, n.d. Web. 24 June 2010. http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=19