Monday, April 25, 2016

Arctostaphylos pringlei ssp. drupacea (Pink-Bracted Manzanita)

5/29/05 Yellow Pine Nature Trail, Idyllwild County Park, San Jacinto Mountains,
Riverside County, CA 

7/12/09 Yellow Pine Nature Trail, Idyllwild County Park

 11/4/16 Campground at Idyllwild County Park
11/4/16 Campground at Idyllwild County Park


COMMON NAME: Pink-Bracted Manzanita

SPECIES: Arctostaphylos pringlei ssp. drupacea

FAMILY: Ericaceae (Heath Family)


LOCATION: Yellow Pine Nature Trail, Idyllwild County Park, San Jacinto Mountains, Riverside County, CA 


Treatment from The Jepson Manual (1993):

Shrub, tree-like, 2–5+ m; burl 0

Stem: twigs densely finely glandular-bristly, sticky

Leaves erect; petiole 5–10 mm; blade 2–5 cm, 1–4 cm wide, elliptic, ovate or ± round, base rounded, truncate, or ± lobed, margin entire, papillate, ciliate, surfaces alike, glaucous, finely glandular-bristly, papillate, scabrous

Inflorescence: raceme, sometimes 1-branched, large; bracts 6–10 mm, leaf-like, lanceolate, acute to acuminate, deep pink; pedicel 5–10(15) mm, finely glandular-bristly; immature axis 10–15 mm, concealed by crowded bracts

Flower: ovary finely glandular-bristly

Fruit 6–12 mm wide, spheric to ovoid, ± short-pointed, finely glandular-bristly, sticky; stones fused into a subspheric, vertically ribbed, pitted unit

Ecology: Uncommon. Rocky slopes, open coniferous forest

Elevation: 1200–2400 m.  

Bioregional distribution: San Bernardino Mountains, Peninsular Ranges. Ssp. pringlei in n AZ, Baja CA.

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