Tag Archives: natural history

Adaptation to Copper

This gallery contains 2 photos.

Heavy metals such as zinc, lead and copper interfere with an organisms normal functioning by attaching themselves to proteins and DNA. Heavy metals are rare under natural conditions, so most plants and animals have never adapted to them and thus … Continue reading

Gallery | Tagged , , , , , | 3 Comments

Cliff Swallow Adaptation

This gallery contains 2 photos.

One of our Christmas books from Son Matt was Darwin Comes to Town by Menno Schilthuizen. This excellent book discusses how urbanization is accelerating and changing evolution. In the book are many examples of HIREC, Human-Induced Rapid Evolutionary Change. The … Continue reading

Gallery | Tagged , , , | 2 Comments

Micranthes integrifolia

This gallery contains 8 photos.

In the oak savannah at the base of Lower Table Rock near Medford OR (Jackson County) Micranthes integrifolia grows in profusion. This member of the Saxifrage Family (Saxifragaceae) has many colloquial names including northwestern saxifrage, smooth-leaved saxifrage, grassland saxifrage and … Continue reading

Gallery | Tagged , , , , , , | Leave a comment

. . . or Spring Gold

This gallery contains 2 photos.

Another bright yellow wildflower that forms large masses of flowers atop Lower Table Rock near Medford Or (Jackson County) in the spring is spring gold (Crocidium multicaule). Like California goldfields (Lasthenia californica), spring gold is usually a small plant. Both … Continue reading

Gallery | Tagged , , , , | Leave a comment

California Goldfields

This gallery contains 6 photos.

In April, portions of the meadow areas atop Lower Table Rock near Medford OR (Jackson County) were carpeted in yellow flowers – California goldfields (Lasthenia californica). It was a spectacular sight. California goldfields are annual members of the Sunflower Family … Continue reading

Gallery | Tagged , , | 1 Comment

Chickweed Monkeyflower

This gallery contains 6 photos.

Previously I always put monkeyflowers into the genus, Mimulus, by default. However, as a result of recent DNA and other analyses most monkeyflowers are now classified in three other genera. It is difficult to remain up to date on all … Continue reading

Gallery | Tagged , , , , | 1 Comment

Henderson’s Shooting Star

This gallery contains 9 photos.

Another early spring wildflower found in early April on Lower Table Rock near Medford OR (Jackson County) is Henderson’s shooting star (Dodecatheon hendersonii). Some plant indices now classify D hendersonii as Primula hendersonii, while others retain the older designation. Since … Continue reading

Gallery | Tagged , , , , , , | 3 Comments