[Wildflower Bloom Reports for the Columbia River Gorge of Oregon and Washington: 2006]

Wildflower Bloom in the Columbia River Gorge of Oregon and Washington

Horsethief Butte Trail

Columbia Hills Historical State Park

April 24, 2006

Narrow-leaf Paintbrush: Castileja attenuata

Narrow-leaf Paintbrush: Castileja attenuata

* indicates the wildflower is blooming.

* Bicolored Cluster Lily: Triteleia grandiflora var. howellii

* Panicled Death-camas: Toxicoscordion paniculatum

Heart-leaf Buckwheat: Eriogonum compositum var. compositum - Yellow flowered forms, nearly ready to bloom.

* Shining Oregon Grape: Berberis aquifolium - A few still in bloom.

Fringe Pod: Thysanocarpus curvipes - Many plants with fringed pods.

* Small-flowered prairie Star: Lithophragma parviflorum - A few still in bloom.

* Northwestern Saxifrage: Micranthes integrifolia -

Black Hawthorn: Crataegus douglasii - (Crataegus columbiana with longer thorns is also found here.) Neither species is yet in bloom at this time.

* Bittercherry: Prunus emarginata var. emarginata - In full bloom.

Chokecherry: Prunus virginiana var. melanocarpa - In bud, perhaps in bloom by the 1st of May.

* Antelope Bitterbrush: Purshia tridentata - A few seen in full bloom at this site.

Prairie Lupine: Lupinus lepidus var. aridus - Clusters of leaves, but no blooms yet.

* Bicolored Lupine: Lupinus bicolor

* Filaree: Erodium cicutarium - Moderate bloom.

* Slender Evening-primrose: Camissonia contorta -

* Chervil: Anthriscus scandicina - Numerous small plants.

* Klickitat Desert Parsley: Lomatium klickitatense

* Smooth Desert Parsley: Lomatium laevigatum - Only several plants seen at this location.

* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum - Starting to fade a bit.

* Nine-leaf Desert Parsley: Lomatium triternatum var. triternatum - A few in bloom.

* Creek Dogwood: Cornus stolonifera var. occidentalis - A few have begun to bloom.

* Silver-leaf Phacelia: Phacelia hastata var. hastata - A few beginning to bloom.

* Tarweed Fiddleneck: Amsinckia lycopsoides - Moderte bloom.

* Weak-stem Cryptantha: Cryptantha flaccida - Numerous

* Narow-leaf Owl Clover: Castilleja attenuata

Cut-leaf Penstemon: Penstemon richardsonii var. richardsonii - Not close to blooming, but the stems are leafing out nicely.

* Cleavers / Annual Bedstraw: Galium aparine -

* Wild Cucumber: Marah oreganus -

Teasel: Dipsacus fullonum - Basal leaves only.

* Annual Agoseris: Agoseris heterophylla

* Hoary False Yarrow: Chaenactis douglasii var. douglasii - A few plants just beginning to bloom.

* Low Pussytoes: Antennaria dimorpha - Nearing the end of bloom.

* Balsamroot: Balsamorhiza species - Sorry, I didn't have a chance to stop to check the species! (possibly B. deltoidea)

Thread-leaf Balsamroot: Erigeron filifolius - In bud but none have bloomed yet.

* Cushion Fleabane: Erigeron poliospermis var. poliospermis - Sparse, but in full bloom.

* Salsify: Tragopogon sp. - Numerous small plants in bloom, to about 15 cm high..... or Uropappus lindleyi ?


Paul Slichter