Jul 8
A baby Kakai working on its first true leaf
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A baby Kakai working on its first true leaf
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School Update!
I have been pretty absent from my art while in school to become a vet tech. Just know I'm still alive and working hard! I've just passed the halfway point for veterinary assisting!
My school provided backpack is comically large on me. Been feeling like a korok in need of a ride (yahaha!)
Some representative examples of seeds from eudicots and monocots are shown in Figure 18.1. (...) Instead, the perisperm and storage cotyledons serve as the main sources of nutrients during germination (see Figure 18.1). (...) Specialized embryonic structures peculiar to the grass family include the following (see Figure 18.1):
The single cotyledon has been modified by evolution to form an absorptive organ, the scutellum, which forms the interface between the embryo and the starchy endosperm tissue.
The basal sheath of the scutellum has elongated to form a coleoptile that covers and protects the first leaves while buried beneath the soil.
The base of the hypocotyl has elongated to form a protective sheath around the radicle called the coleorhiza.
In some species, such as maize, the upper hypocotyl has been modified to form a mesocotyl. During seedling development, the growth of the mesocotyl helps raise the leaves to the soil surface, especially in the case of deeply planted seeds.
"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.
Oxalis corniculata
Cotyledons and First True Leaves
Image taken 79 days after seed scarified and plated on water agar and incubated at 20C and 66 days after potted in soil.
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One of the things that I love about growing Turk’s Turban pumpkins is the massive, fat cotyledons that they throw out. They almost look like succulents.
Inside of a Seed: Gymnosperms
Inside of a Seed: Gymnosperms
“Every tree has to stay where it put down roots as a seedling. However, it can reproduce, and in that brief moment when tree embryos are still packed into seeds, they are free. The moment they fall from the tree, the journey can begin.” — The Hidden Life of Trees by Peter Wohlleben
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Seed plants – also known as spermatophytes– make up the largest group of plants on earth. Seed plants…
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