Lycium cooperi
Cooper wolfberry, Cooper's box thorn, Cooper's desert-thorn, peach thorn
blade spatulate to oblanceolate, 10–35 × 2–23 mm, surfaces usually densely glandular-pubescent.
2–3-flowered fascicles or solitary flowers.
2–8 mm.
(4–)5-merous;
calyx narrowly campanulate, 4–14 mm, lobe lengths 0.5–1 times tube;
corolla white or greenish yellow, sometimes purple-veined, tubular to funnelform, 8–15 mm, lobes 1.5–3 mm;
stamens included to exserted.
greenish yellow to orange, ovoid, constricted at or distal to middle, 5–10 mm, dry, hard, strongly accrescent calyx usually rupturing with fruit growth.
6–10.
= 24.
Lycium cooperi
Lycium cooperi occurs in western Arizona, southeastern California, southern Nevada (Clark and Esmeralda counties), and southwestern Utah (Washington County). It can be distinguished from the similar species L. pallidum and L. shockleyi by its dense, glandular pubescence and hard, constricted fruit.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
WildflowerSearch
iNaturalist
USDA Plants Database
