Field Journal: 19 October 2018

Focus: Green Coast Redwood Cones

Link: "Green Cones Go Red" by Emily Burns
Coast Redwood (Sequoia sempervirens) seed (female) cones, still green. Missing scales were peeled away by animals (probably birds) in the canopy. Seeds visible at left.
Coast Redwood seed cone submerged in room-temperature tap water. The red color is due to tannins, an astringent class of polyphenols present in the bark, wood, leaves, cones, and seeds of redwoods.

Previously: 11 October 2018

Next: 26 October 2018

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