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2 results for “pencil making”
- The Perpetually Curious! › Canonical › Botanical WondersArticle
🌱 Why Fruits Have Seeds: The Many Ways Plants Begin Again
From section: 🌬️ Other fruits travel without being eatenThe five-winged fruits of the Arjuna tree make this distinction visible. As the fruits fall, their projecting wings interact with the air, making the whole fruit, rather than a bare seed, the traveling unit.
- The Perpetually Curious! › Canonical › Botanical WondersArticle
🌲 When Trees Carry Time: Oldest Tree Species, Ancient Forests, and Sacred Trees
From section: Frequently Asked Questions+How does Archaeopteris differ from Wattieza? Archaeopteris appeared later in the Devonian and had a woody trunk with true secondary growth, making it structurally closer to later seed plants. Wattieza relied on a more unusual cladoxylopsid architecture with many vascular strands. …