According to observations of naturalists and beekeepers.
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Peachleaf willow is native to North America. It is the most common tree willow in the eastern Great Plains, but it is peripheral in the Southeast, occurring mostly in the Mississippi valley. In the Southwest, it is common along the Rio Grande and rare to infrequent in other riparian zones. Its distribution extends south into Chihuahua. It rare in Quebec, Ontario, and British Columbia and has been extirpated from Kentucky.
This plant is present in at least 33 states/provinces in this country.
Peachleaf willow is a deciduous small tree or shrub ≤40 feet (12 m) tall. It grows as a small tree in most of its range, although the shrub form is more common in Montana. It is the tallest native willow in the prairie states and provinces. Like a tree, its form is spreading and often leaning to decumbent. As a shrub, peachleaf willow often forms thickets. Trunks may be one to several and reach 1.3 feet (0.4 m) across. The wood is soft and weak. Branches are flexible throughout most of their length but may be brittle at the base. Leaves are lance-shaped; typically, they range from 0.8 to 2 inches (2-6 cm) long, but they may be 4 to 6 inches (11-16 cm) on young shoots. The male and female flowers are catkins. Female catkins are 2 to 3 inches (5-8 cm) long, arising from leafy twigs. The fruit is a capsule containing many small seeds with cottony hairs. The seeds are lightweight; near Boulder, Colorado, peachleaf willow seeds averaged 4.0 × 10-5 g each.
Peachleaf willow has a multibranched, spreading root system.
Peachleaf willow flowers, fruits, and disperses seed in spring. Catkins and leaves emerge at the same time. Seed dispersal usually coincides with spring flooding.
Vaccinium corymbosum (aka: Highbush blueberry, High-bush blueberry, Northern highbush blueberry, Tall blueberry, Rabbiteye blueberry, Blue huckleberry, Tall huckleberry, Swamp huckleberry, High blueberry, Swamp blueberry)
Malus ioensis (aka: Bechel crab, Crab apple, Iowa crab, Iowa crab apple, Prairie crab, Prairie crab apple)
Viburnum prunifolium (aka: Blackhaw, Black haw, Blackhaw viburnum, Sweet haw, Stag bush, Smooth Blackhaw Viburnum, Stagbush, Viburnum bushii)
Robinia pseudoacacia (aka: Black locust, False acacia, Yellow locust, White locust, Green locust, Post locust, Falsa acacia, Robinia)
Catalpa speciosa (aka: Northern catalpa, Hardy catalpa, Western catalpa, Cigar tree, Catawba-tree, Bois chavanon)
Astragalus (aka: Milkvetch, Locoweed, Goat's-thorn)
Rubus idaeus (aka: Raspberry, Black-haired red raspberry, Brilliant red raspberry, American red raspberry, Red raspberry, Smoothleaf red raspberry, Wild raspberry, Wild red raspberry, Grayleaf raspberry)
Rhus glabra (aka: Smooth sumac, Common sumac, Rocky Mountain sumac, Red sumac, Western sumac, White sumac)
Brassica napus (aka: Rapeseed)
Sinapis arvensis (aka: Charlock mustard, California rape, Charlock, Corn mustard, Canola, Kaber mustard, Rapeseed mustard)
Gleditsia triacanthos (aka: Honey locust, Honey shucks locust, Common honeylocust, Sweet bean locust)
Asclepias tuberosa (aka: Butterflyweed, Butterfly Milkweed, Orange Milkweed, Pleurisy Root, Chigger Flower, Canada root, Fluxroot, Indian paintbrush, Indian posy, Orange root, Orange Swallow-wort, Tuber root, Yellow milkweed, White-root, Windroot, Butterfly love)
Tilia americana (aka: American basswood, Basswood, Linden)
Amorpha fruticosa (aka: Desert false indigo, False indigo-bush, Bastard indigobush, Indigo Bush)
Asclepias syriaca (aka: Сommon milkweed, Butterfly flower, Silkweed, Silky swallow-wort, Virginia silkweed)
Brassica rapa (aka: Field mustard, Common mustard, Wild mustard, Wild turnip, Forage turnip, Wild rutabaga, Birdsrape mustard, Rape mustard)
Echium vulgare (aka: Viper's bugloss, Blueweed, Blue thistle)
Cucumis melo (aka: Cantaloupe, Rockmelon, Sweet melon, Spanspek, Honeydew melon, Honeymelon, Crenshaw, Casaba)
Prunus virginiana (aka: Chokecherry, Western chokecherry, Common chokecherry, Black chokecherry)