Found this walnut looking rock/nut brown with red features. What the heck

hickory nut? back where you found it, you can look for other nuts broken open, for more clues. And tree twigs, and soon, leaves.

Or black walnut? Same suggestions Sally made ...


Photo from
https://www.theintrepideater.c...

black walnut - Juglans nigra ....its a valuable timber species, and shade tree if you have room to plant it

Maybe crack it open and see what the nut inside looks like?

Thanks

Sorry, no ID, though hopefully one of the other respondents can help.

deepsouth said: black walnut - Juglans nigra ....its a valuable timber species, and shade tree...

Lets not forget that the wood is rot resistant...

I think that there is far too much of a fuss made of juglone and a few vegetables, when there is an enormous number of tolerant plants...

https://extension.psu.edu/land...
Trees Tolerant to Juglone
Most maples except silver maple (Acer spp)
Eastern Red Cedar (Juniperus virginiana)
Ohio Buckeye (Aesculus glabra)
Goldenrain Tree (Koelreuteria paniculata)
Serviceberry, Shadblow (Amelanchier)
Sweetgum (Liquidambar styraciflua)
Pawpaw (Asimina triloba)
Yellow Poplar (Liriodendron tulipifera)
River Birch (Betula nigra)
Black Gum (Nyssa sylvatica)
Hickory (Carya spp)
Virginia Pine (Pinus virginiana)
Catalpa (Catalpa bignoniodes)
Sycamore (Platanus occidentalis)
Eastern Redbud (Cercis canadensis)
Black Cherry (Prunus serotina)
Fringetree (Chionanthus spp.)
Flowering Dogwood (Cornus florida)
Oak species (Quercus spp)
Dogwood (Cornus alternifolia)
Staghorn Sumac (Rhus typhina)
Hawthorne (Crataegus spp)
Black Locust (Robinia pseudoacacia)
Persimmon (Diosypros virginiana)
Sassafras (Sassafras albidum)
American Beech (Fagus grandifolia)
Arborvitae (Thuja occidentalis)
White Ash (Fraxinus americana)
Canada Hemlock (Tsuga Canadensis)
Honeylocust (Gleditsia triacanthos)
American Elm (Ulmus americana)
Carolina Silverbell (Halesia caroliniana)
Blackhaw Viburnum (Viburnum prunifolium)


Shrubs Tolerant to Juglone
Barberry (Berberis spp)
Hazelnut (Corylus americana)
Daphne (Daphne spp)
Forsythia (Forsythia spp)
Witchhazel (Hamamellis spp)
Rose of Sharon (Hibiscus syriacus)
Snowball Hydrangea (Hydrangea arborescens)
St. Johnswort (Hypericum prolificum)
American Holly (Ilex opaca)
Juniper (Juniperus spp)
Spicebush (Lindera benzoin)
Mockorange (Philadelphus spp)
Exbury Hybrid Azalea "Gibraltar" & "Balzac"
Pinxterbloom Azalea (Rhododendron periclymenoides)
Sumac (Rhus copallina)
Smooth Sumac (Rhus glabra)
Current (Ribes spp)
Black Raspberry (Rubus occidentalis)
Elderberry (Sambucus Canadensis)
Maple-leaved Viburnum (Viburnum acerifolia)
Koreanspice Viburnum (Viburnum carlesii)


Vegetables Tolerant to Juglone
Onion
Beets
Squash and Melons
Carrot
Parsnips
Beans
Corn


Fruit Trees Tolerant to Juglone
Cherry, Nectarine, Plum, Peach (Prunus spp)
Quince (Cydonia oblongata)
Vines Tolerant to Juglone
Clematis (Clematis spp)
Virginia Creeper (Parthenocissus quinquefolia)
Wild Grape (Vitis)
Wisteria (Wisteria spp)


Herbaceous Flowers Tolerant to Juglone
Yarrow (Achillea spp)
Hosta (Hosta spp)
Bugleweed (Ajuga reptans)
Spanish Bluebell (Hyacinthoides hispanicus)
Hollyhock (Alcea rosea)
St. John's Wort (Hypericum spp)
Anemone (Anemone spp)
Morning Glory (Ipomoea spp)
Jack-in-the-Pulpit (Arisaema triphyllum)
Iris (Iris spp)
European Wild Ginger (Asarum europaeum)
Shasta Daisy (Leucanthemum x superbum)
Aster (Aster spp)
Liriope or Lilyturf (Lirope spp)
Astilbe (Astilbe spp)
Lobelia (Lobelia spp)
Fibrous and Tuberous Begonia (Begonia)
Virginia Bluebell (Mertensia pulmonariodes)
Pot Marigold (Calendula officinalis)
Bee Balm (Monarda spp)
Bellflower (Campanula latifolia)
Grape Hyacinth (Muscari botryoides)
Glory of the Snow (Chionodoxa lucilae)
Daffodil (Narcissus spp)
Chrsyanthemum (Chrysanthemum spp)
Primrose and Sundrops (Oenothera spp)
Spring Beauty (Claytonia virginica)
Cinnamon Fern (Osmunda cinnamomea)
Crocus (Crocus spp)
Phlox (Phlox paniculata)
Dutchman's Breeches (Dicentra cucullaria)
Mayapple (Podophyllum peltatum)
Bleeding Heart (Dicentra spp)
Jacob's Ladder (Polemonium reptans)
Leopard's Bane (Doronicum spp)
Solomon's Seal (Polygonatum commutatum)
Crested Wood Fern (Dryopteris cristata)
Christmas Fern (Polystichum acrostichoides)
Purple Coneflower (Echinacea purpurea)
Primrose (Primula spp)
Epimedium (Epimedium spp)
Lungwort (Pulmonaria spp)
Winter Aconite (Eranthis hyemalis)
Bloodroot (Sanguinaria canadensis)
Dog's Tooth Violet (Erythronium spp)
Siberian or Blue Squill (Scilla siberica)
Snowdrop (Galanthus nivalis)
Stonecrop (Sedum acre, Sedum spectabile)
Sweet Woodruff (Galium odoratum)
Lamb's Ear (Stachys byzantia)
Gentian (Gentian spp)
Meadowrue (Thalictrum spp)
Cranesbill Geranium (Geranium sanguineum)
Spiderwort (Tradescantia virginiana)
Sunflower and Jerusalem Artichoke (Helianthus spp)
Trillium (Trillium spp)
Christmas Rose (Helleborus spp)
Globeflower (Trollius spp)
Common Daylily (Hemerocallis spp)
Tulips (Tulipa spp)
Coral Bells (Heuchera spp)
Pansy and Violet (Viola spp)
Orange Hawkweed (Hieracium auranticum)
Zinnia (Zinnia spp)

I can't really ID that ball. Sorry.

The Main problem about the fuss over juglone... is... There have been too many incidents of home owners cutting down valuable trees... out of concern about juglone toxicity.

Anybody truly concerned about allelopathy would get rid of the turf.

While I have been digging walnut seedlings from a vegetable garden in town... (squirrels planted the nuts)
The existing mature walnuts are keepers...

Lucky there's others decrying the despoiling of yards out of concern re juglone...
https://momcrieff.com/17-black...

https://www.prairiemoon.com/bl...

https://hort.extension.wisc.ed...
In this area, plants susceptible to juglone may wilt or die; plants tolerant to juglone will grow normally.

And I'm certainly planting lots of walnuts at my house.

Ok, friends.. as the original question is asking for ID, not even saying where the nut came from, I think we have enough info about juglone here for now...
(I finally saw a source of nuts planted in my yard.. the mature tree is at least 400 feet away, with my neighbor's half acre lot between us. )

Yep. I shouldn't have brought juglone up. A basic ID question should have resulted in an ID answer. My bad.