According to observations of naturalists and beekeepers.
Where are you?
It is native to western North America from Alaska, through British Columbia, to northwestern California. It grows in temperate coniferous forest, primarily in the Cascade Range and the Pacific Coast Ranges.
This plant is present in at least 5 states/provinces in this country.
Trees, sometimes shrubs, 50–100(–200) dm.
Stems (12–)20–30(–40) cm diam.; bark gray to reddish-brown, smooth when young, scaly and deeply fissured at maturity; young branches reddish, puberulent when young, becoming reddish-brown or gray and glabrous; lateral flowering shoots becoming spurs, 10–30(–50) mm. Buds red-brown, ovoid, 1.5–4 mm, scale margins ciliate.
Leaves conduplicate in bud; isomorphic; stipules deciduous, narrowly lanceolate, 1–5 mm, apex acuminate; petiole 10–30 mm, tomentose, glabrescent; blade ovate, sometimes oval, elliptic, or lanceolate, 3–9(–11) × 1–4 cm, base rounded to cuneate, margins unlobed or 3-lobed, serrate to doubly serrate, sometimes serrulate, apex acute or acuminate, abaxial surface glabrous, adaxial puberulent.
Panicles corymblike; peduncles absent; bracts absent; bracteoles sometimes persistent, filiform, 1–4 mm. Pedicels 15–40 mm, villous or glabrous.
Flowers 15–20 mm diam.; hypanthium glabrous or tomentose; sepals triangular, 3–6 mm, shorter than tube, apex apiculate, abaxial surface glabrous, adaxial hoary-tomentose; petals white, sometimes pink, orbiculate to obovate, (6–)10–15 mm, claws 1.5–2 mm, margins erose or undulate, apex rounded; stamens ca. 20, 4–6 mm, anthers white before dehiscence; styles 3(or 4), connate in proximal 1/3, 6–7 mm, longer than stamens, glabrous. Pomes yellow to purplish red, oblong, sometimes ovoid or obovoid, 6–10(–13) mm diam., cores enclosed at apex; sepals deciduous, sometimes tardily; sclereids abundant surrounding core.
Seeds reddish brown. 2n = 34.
Flowering April – early July; fruiting June – November.
Cercis orbiculata (aka: California redbud, Western redbud, Arizona redbud, Judas tree, Cercis occidentalis)
Rubus ursinus (aka: California blackberry, California dewberry, California grapeleaf dewberry, Douglasberry, Pacific blackberry)
Rubus spectabilis (aka: Salmonberry)
Aesculus californica (aka: California buckeye, Buckeye, Horsechestnut)
Salix lucida (aka: Shining willow, Greenleaf willow, Tail-leaf willow, Whiplash willow, Pacific willow, Lance-leaf willow, Longleaf willow, Red willow, Western shining willow)
Salix scouleriana (aka: Scouler's willow, Upland willow)
Acer circinatum (aka: Vine maple)
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)
Salix lemmonii (aka: Lemmon's willow, Lemmon willow)
Salix lutea (aka: Yellow willow)
Astragalus (aka: Milkvetch, Locoweed, Goat's-thorn)
Salix boothii (aka: Booth's willow)
Salix geyeriana (aka: Geyer willow, Silver willow)
Robinia pseudoacacia (aka: Black locust, False acacia, Yellow locust, White locust, Green locust, Post locust, Falsa acacia, Robinia)
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)
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)
Calendula officinalis (aka: Marigold, Calendula, Pot marigold, English marigold)
Prunus virginiana (aka: Chokecherry, Western chokecherry, Common chokecherry, Black chokecherry)
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)
