According to observations of naturalists and beekeepers.
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Desert peach is restricted to eastern California and western and central Nevada. In California, its range extends from Modoc and Lassen counties in the north, along the eastern slopes of the Sierra Nevada to Kern and Inyo counties in the south. In the Great Basin Desert of western and central Nevada, desert peach occurs as far east as Eureka and Nye counties.
This plant is present in at least 2 states/provinces in this country.
Desert peach is a clonal, deciduous, many-branched shrub. Aboveground stems are connected by an extensive network of rhizomes, and lignotubers occur at the base of most shrubs. Desert peach clones can be several acres in size. Shrubs are typically 3 to 7 feet (2-3 m) tall, but heights of 10 feet (3 m) are possible. Desert peach branching is often wide and loose, and there are many short, stiff, spiny lateral branches. Aboveground stems are short-lived. From a large clone in the Medell Flats area of western Nevada, the maximum number of stem growth rings was 8.
Leaves are simple, often bundled, and arranged alternately. Tips are pointed, and margins have minute teeth. Leaf-blades measure 0.4 to 1 inch (1-3 cm) long, 3 to 7 mm wide, and can be summer deciduous. Solitary flowers are most common, but clusters of up to 5 are reported. Flower diameters measure 0.5 to 0.9 inches (1.2-2.2 cm). Desert peach produces mostly round drupes that measure a little over 0.4 inches (1 cm) and typically have dry and/or thin pulp. Kay and others report that fruit fleshiness depends on moisture availability. In years of above-average moisture, fruits are fleshy and split to expose the stone seed, but if moisture is average or below, fruits are described as "mummified" and the fruit flesh dries on the stone. Desert peach seeds are heart-shaped stones with a thick, hard coat that opens along a suture. Seeds are typically 1 cm long and wide.
Desert peach flowers appear slightly earlier or at the same time as the leaves. Flowers appear sometime from March to July throughout the desert peach range, though the timing of flower development can differ by as much as a month among individual clones growing in the same area.
Malus fusca (aka: Oregon crab, Oregon crab apple, Pacific crab apple, Western crab apple)
Salix bebbiana (aka: Bebb willow, Beak willow, Beaked willow, Long-beaked willow, Diamond willow, Chaton, Petit Minou, Smooth Bebb willow)
Rhamnus cathartica (aka: Common buckthorn, European buckthorn, Dahurian buckthorn)
Rubus laciniatus (aka: Cutleaf blackberry, Evergreen blackberry, Slashed blackberry)
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)
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)
Calendula officinalis (aka: Marigold, Calendula, Pot marigold, English marigold)
Salix brachycarpa (aka: Shortfruit willow, Barren-ground willow, Small-fruit sand dune willow, Small-fruit willow)
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)
Rubus parviflorus (aka: Thimbleberry, Western thimbleberry)
Amorpha fruticosa (aka: Desert false indigo, False indigo-bush, Bastard indigobush, Indigo Bush)
Brassica rapa (aka: Field mustard, Common mustard, Wild mustard, Wild turnip, Forage turnip, Wild rutabaga, Birdsrape mustard, Rape mustard)
Salix planifolia (aka: Diamondleaf willow, Planeleaf willow)
Rubus armeniacus (aka: Himalayan blackberry, Rubus discolor, Rubus procerus)
Salsola kali (aka: Russian thistle, Tumbleweed, Prickly saltwort)
Cucumis melo (aka: Cantaloupe, Rockmelon, Sweet melon, Spanspek, Honeydew melon, Honeymelon, Crenshaw, Casaba)
Citrullus lanatus (aka: Watermelon)
Cirsium arvense (aka: Creeping Thistle, Canada thistle, Field thistle, California thistle, Lettuce from hell thistle, Corn thistle, Cursed thistle, Green thistle, Hard thistle, Perennial thistle, Prickly thistle, Small-flowered thistle, Way thistle, Stinger-needles)
Borago officinalis (aka: Borage, Starflower, Common borage, Cool-tankard, Tailwort)
Cephalanthus occidentalis (aka: Common buttonbush, Buttonball, Buttonbush, Button willow, Riverbush, Honey-bells)