Monday, February 15, 2016

Lycium cooperi (Cooper's Desert Thorn, Peach Thorn)

4/27/01 Near campsite #19 at Hole-in-the-Wall, Mojave National Preserve,
San Bernardino County, CA

4/27/01 Hole-in-the-Wall


COMMON NAME: Cooper's Desert Thorn, Peach Thorn

SPECIES: Lycium cooperi

FAMILY: Solanaceae (Nightshade Family)


LOCATION: Near campsite #19 at Hole-in-the-Wall, Mojave National Preserve, San Bernardino County, CA


Treatment from The Jepson Manual (1993):

Plant glandular-puberulent; branches rigidly ascending to erect, leafy

Leaf 1–3 cm, oblanceolate to obovate

Flower: calyx 8–15 mm, narrowly bell-shaped, lobes 4–5, 1.5–3 mm, 1/2 to = tube; corolla narrowly funnel-shaped, greenish white, lavender-veined, outside glabrous or puberulent, tube 9–12 mm, lobes ovate-triangular; stamens barely exserted, attached ± at middle of tube

Fruit 5–9 mm, yellow to orange, with 2 cross-grooves above middle

Seeds several

Ecology: Sandy to rocky flats, washes

Elevation: < 2000 m.  

Bioregional distribution: High Sierra Nevada (e slope), s San Joaquin Valley, East of Sierra Nevada, Mojave Desert (including w margins) 

Distribution outside California: to Utah, Arizona

Flowering time: Mar–May

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