Tuesday, November 24, 2015

Sidalcea oregana ssp. spicata (Oregon Checkerbloom)

7/9/07 Hope Valley Wildlife Area, Humboldt-Toiyabe National Forest, 
Alpine County, CA 

7/9/07 Hope Valley Wildlife Area

 8/18/03 Hat Creek, roadside off Hwy. 89 south of Old Station, 
Lassen National Forest, Shasta County, CA 
10/21/02 Spooner Lake, Lake Tahoe-Nevada State Park, 
Washoe County, Nevada 

7/9/16 Hwy. 108 (Sonora Pass Hwy.), Humboldt-Toiyabe National Forest,
Sierra Nevadas, Mono County, CA

7/7/16 Campsite next to Green Creek, Toiyabe National Forest,
Eastern Sierra, Mono County, CA

7/5/16 Parker Lake Road off June Lake Loop (SR 158),
Eastern Sierra, Mono County, CA


COMMON NAME: Oregon Checkerbloom, Oregon Sidalcea

SPECIES: Sidalcea oregana ssp. spicata

FAMILY: Malvaceae (Mallow Family)

LIFE LIST DATE10/21/2002

LOCATION: Spooner Lake, Lake Tahoe-Nevada State Park, Washoe County, Nevada

Treatment From The Jepson Manual (1993):

Stem 3–8 dm; lower stem generally long-bristly

Inflorescence spike-like, dense, often branched

Flower: calyx ± 6 mm in fruit, generally densely bristly and stellate (or stellate only)

Fruit: segment 2.5–3 mm, generally smooth to lightly net-veined, glandular-puberulent
Ecology: Meadows, streamsides

Elevation: 1100–3000 m.  

Bioregional distribution: Klamath Ranges, n High North Coast Ranges, High Cascade Range, n&c High Sierra Nevada, Great Basin Floristic Province 

Distribution outside California: Oregon, w Nevada

Flowering time: Jun–Aug

From Jepson eFlora:

Sidalcea oregana subsp. spicata (Regel) C.L. Hitchc.
Habit: Plant 3--8 dm. 

Stem: generally several, base soft stellate-hairy, occasionally long-bristly, hairs 1--2 mm, toward tip occasionally glabrous. 

Inflorescence: often in panicle, generally dense in flower, open in fruit; bracts generally > youngest flower buds, flowering stalks +- 2 mm. 

Flower: calyx (3.5)5(7) mm, generally densely bristly, stellate-puberulent (or stellate-puberulent only), hairs to 2.5 mm; petals generally 10--15 mm, pink to rose-pink or magenta. 

Fruit: segment 2.5--3 mm, generally smooth, sides occasionally weakly net-veined, back sparsely glandular-puberulent, beak 0.1--0.3 mm. 

Ecology: Meadows, streamsides; 

Elevation: 975--3000 m. 

Bioregional Distribution: KR, n NCoRH, CaRH, n&c SNH, GB; Distribution Outside California: Oregon, western Nevada. 

Flowering Time: Jun--Aug Note: May be confused with other subspecies, as well as with Sidalcea setosa

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