The ponderosa pine (Pinus ponderosa) is a gymnosperm, that is, it belongs to the group of plants in which seeds are formed exposed or “naked” on sporophylls (spore bearing leaves), as contrasted with angiosperms where the seed is formed within … Continue reading
This gallery contains 5 photos.
In late November Leonard and I went to collect pine cones near Willow Creek Campground on California Highway 139 near Adin CA. Ponderosa (Pinus ponderosa) and Jeffrey pines (Pinus jeffreyi), and hybrids of the two, are plentiful in that area. … Continue reading
This gallery contains 2 photos.
The more I learn about lodgepole pines (Pinus contorta), a Western species, the more I realize how complex and diverse this widespread conifer is. At least three, perhaps more, subspecies exist. Each of these subspecies vary depending on their environment. … Continue reading