Oregon

The fleshy seed cone of Taxus brevifolia

Taxus brevifolia

Published by Daniel Mosquin on July 30, 2018

Ignored or disdained as a “weed tree” for many years by forest industrialists, Pacific or western yew received an unsustainable amount of interest in the last few decades of the 20th century due to the presence of paclitaxel in its bark.

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The uncommon Epilobium oreganum

Epilobium oreganum

Published by Daniel Mosquin on November 10, 2017

Although few wildflower species were blooming, the late August / early September trip to the Siskiyous still held some floral highlights for me. One was encountering and photographing this narrow-range endemic, Epilobium oreganum, or Grants Pass willowherb.

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Erigeron stanselliae inflorescences

Erigeron stanselliae

Published by Daniel Mosquin on August 22, 2017

Erigeron stanselliae is endemic to a small part of Oregon in the western Siskiyou Mountains. Though we (likely) won’t be collecting in the area where this species occurs, this is the general region we are working in for the next couple weeks.

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Collomia grandiflora (grand collomia) in bloom in Leslie Gulch, Oregon, USA

Collomia grandiflora

Published by Daniel Mosquin on August 1, 2017

Collomia grandiflora, or grand collomia, is native to much of western North America. It is an annual species; depending in part on ecological factors, it can range in height from 10cm to 1m (4in. to 40in.) and have one to many flowering head clusters terminating the stem and branches.

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The inflorescence of Veratrum californicum

Veratrum californicum

Published by Daniel Mosquin on July 18, 2017

Unlike the species in yesterday’s entry, there is ample documentation about the toxicity and danger of species of Veratrum.

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Mentzelia packardiae close-up

Mentzelia packardiae

Published by Daniel Mosquin on September 4, 2015

This late-May set of photographs is from the Leslie Gulch area of eastern Oregon, USA. I had long been interested in visiting the region, as it is both botanically and geologically fascinating. The area is known for its rock formations and volcanic history, but to botanists and plant enthusiasts it is also a special place. […]

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The yellow morph of Kopsiopsis strobilacea

Kopsiopsis strobilacea

Published by Daniel Mosquin on July 29, 2015

Today’s photo features the yellow morph of Kopsiopsis strobilacea. This Pacific Northwest species is a member of the Orobanchaceae, or broomrape family.

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