index KINDOM PLANT KINDOM phylum TRACHEOPHYTA (VASCULAR PLANTS) phylum SPERMATOPHYTA (SEED PLANTS) phylum ANGIOSPERMAE (FLOWERS) CLASS DICOTS CLASS ROSIDAE ORDER ROSANAE ORDER FAGALES FAMILY JUGLANDS Genus JUGLANDS
Species Nigra BLACK WALNUT

BLACK WALNUTS



20070531 (may) Small tree at my house in Chico Black Walnut Native: North America
Black walnut water tolerant
Black walnut Graft base (rootstock) for the (commercial nut) English walnut (originated in Persia).t
Black walnut for wood and veneer


HGOODHEART.gif, 13 kB Health:
omega-3 fatty acids, helpful in lowering cholesterol
arginine, which is an amino acid keeps blood vessels flexible.
helps with Alzheimer's disease by maintaining amyloid beta

TREEANA.gif, 13 kB Plant Allelopathy
Allelopathy and Mammal toxin:
Black Walnut roots secrete a substance called juglone (5-hydroxy-alphanapthaquinone) which kills many popular garden plants, such as tomato, apple, birch tomato, potato, blackberry, blueberry, azalea, mountain laurel, rhododendron, red pine and apple.
Black walnut juglone toxin occurs in the leaves, bark and wood,
POISON.GIF and can effect people.
Species Juglans.nigra - Black Walnut
OLD BLACK WALNUT 2007.08.05
Black walnut YOUNG BLACK WALNUT TREE

BLKLEAVESG.JPG

BLKWALLEAVES20070811

Black Walnut Leaves
2007.08.11
NUTBLK20070811

2007.08.11
BLACK WALNUT NUT
CHICO







RULERBOWGIF