Archive for August, 2008

Spotted Knapweed “Centaurea biebersteinii”

Thursday, August 28th, 2008


Spotted Knapweed “Centaurea biebersteinii” Sunflower Family (Asteraceae).  Biennial or perennial, plant 2-4′ tall, basal leaves segmented and upper leaves entire, flowers pink to purple or occasionally white.  Blooms in summer along roadways and widespread in Or & Wa.  This is an invasive weed but the Yellow-faced Bumble Bees enjoy them anyway.

Photo: Near Rainier, Or. 8/26/2008.   © 2008 mkellar

Pineapple Weed “Matricaria discoidea”

Tuesday, August 26th, 2008


Pineapple Weed “Matricaria discoidea” Aster Family (Asteraceae).  Annual, plant 2-10″ tall, yellow green disk flowers and no ray flowers.  Blooms in summer in moist disturbed soil throughout Or. & Wa.  Plant has a strong pineapple smell when crushed.  This is a “weedy” plant that is native to North America and Europe. 

Photo:  Near Rainier, Or 8/25/2008    © 2008 mkellar

Douglas Violet “Viola douglasii”

Sunday, August 17th, 2008


Douglas Violet “Viola douglasii”  Violet Family “Violaceae”  Perennial, plant 3-8″ tall, leaves divided into multiple segments, flowers golden yellow with brown or purple backs.  Blooms in early spring in SE OR. in rocky flats grasslands in SE Or. 

Photo:  Rough & Ready Creek near Cave Junctiion, OR.  4/28/07   © 2007 mkellar

Wood’s Rose “Rosa woodsii var. ultramontana”

Friday, August 15th, 2008


Wood’s Rose “Rosa woodsii var. ultramontana”  Rose Family (Rosaceae).  Perennial shrub 3-6″ tall, many round straight thorns, flowers deep pink to rose, petals 3/4-1″ long.  Blooms all summer in moist areas in Eastern Or. & Wa. 

Photo: Hart Mt. in S.E. Or. 7/5/2008    © 2008 mkellar

Devils Club “Oplopanax horridus”

Wednesday, August 13th, 2008


Devil’s Club “Oplopanax horridus” Ginsing Family (Araliaceae).  Perennial shrub 3-10′ tall, large lobed leaves up to 14″ across, leaves and stems with stiff spines, flowers greenish-white spikes up to 10″ long, petals small with prominent stamens, berries scarlet.  Blooms in late spring – early summer in the moist woods of Western Or. & Wa. 

Photo:  Rainier, Or. 8/7/2008      © 2008 mkellar

Hardhack “Spiraea douglasii”

Friday, August 8th, 2008


Hardhack “Spiraea douglasii” Rose Family (Rosaceae). Perennial shrub 2-6′ tall, flowers are pink to rose in erect clusters that are 5-10″ long. Blooms all summer in moist areas in Western Or. & Wa.

Photo: Near Rainier, Or. 8/7/2008   © 2008 mkellar

Peregrine Thistle “Cirsium cymosum”

Tuesday, August 5th, 2008


Peregrine Thistle “Cirsium cymosum” Composite Family (Asteraceae).  Perennial plant 2-5′ tall, leaves soft hairy, flowers dull white and “cobwebby”.  Blooms all summer in Siskiyous and Eastern Or. 

Photo:  Kalmiopsis Trail in S.E. Or. 4/28/2007   © 2007 mkellar