pignut

Definitions

  • Small Pignut Hickory
    Small Pignut Hickory
  • WordNet 3.6
    • n pignut an American hickory tree having bitter nuts
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Additional illustrations & photos:

Pignut Hickory Pignut Hickory

Webster's Revised Unabridged Dictionary
    • n Pignut pĭg"nŭt (Bot) See Groundnut.
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Century Dictionary and Cyclopedia
    • n pignut Same as hawknut.
    • n pignut The fruit of a North American tree, the brown hickory, Hicoria glabra (Carya porcina); also, the tree itself. The nut is thin-shelled. oily, at first sweet, then bitterish; it is eaten by swine. The wood is very tough and is used like that of the shellbark, though the tree is not so large.
    • n pignut The fruit of Omphalea triandra and O. diandra, of the West Indies and South America. The kernel with the embryo removed is edible, and yields (one species at least) a fine limpid oil. In Guiana a species of Omphalea affords an oil said to be admirably adapted for lubricating, there called ouabe-oil. Also called cobnut and breadnut.
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Usage

In literature:

The pignut, with three, five or seven narrow leaflets, small, thin-shelled fruit and a pretty hard nut.
"Among the Trees at Elmridge" by Ella Rodman Church
The thin outer husk of the pignut is not much larger than the nut.
"On the Trail" by Lina Beard and Adelia Belle Beard
Shagbark or pignut are probably the best species to plant.
"Practical Forestry in the Pacific Northwest" by Edward Tyson Allen
Of this group of trees we have the shellbark, shagbark and pignut.
"Northern Nut Growers Association Report of the Proceedings at the" by Various
One of the trees was a bitternut and the other a pignut.
"Northern Nut Growers Association Report of the Proceedings at the" by Various
I do not have a single shagbark scion left on pignuts out of several hundred set during the last four seasons.
"Northern Nut Growers Association Report of the Proceedings at the Twenty-Fourth Annual Meeting" by Northern Nut Growers Association
Dr. Neilson: A Fairbanks grafted on a pignut in the spring of 1931 at the Kellogg estate has quite a few nuts on it this season.
"Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting" by Northern Nut Growers Association
Our first year's grafting was done in a plot of practically pure pignut stocks.
"Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting" by Northern Nut Growers Association
I have made crosses back and forth between shagbark, bitternut, mocker-nut, pignut, and pecan.
"Northern Nut Growers Association Report of the Proceedings at the Second Annual Meeting" by Northern Nut Growers Association
It is also the northern limit of the pignut.
"Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting" by Northern Nut Growers Association
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In science:

The pignut hickory is not unique in showing this kind of uptake pattern; however, it does appear to be unique with respect to Al and Mn uptake and location in the leaf.
Polar Concentration of Elements in Tree Leaves
Fig. 1. X-ray spectra of the elements on the topside (red) and underside (black) of leaves collected from a pignut hickory.
Polar Concentration of Elements in Tree Leaves
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