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Angiosperms VS
| Question | Answer |
|---|---|
| shoot system | above ground; what you see |
| Twig | young woody stem, usually starts at the axillary bud |
| Terminal buds (SAM) | shoot apical meristem, primary growth (length); indeterminate growth |
| Node | where you find a leaf/axillary bud |
| Internode | space between nodes |
| Axillary Bud | location of true leaf; forms new twig |
| Lenticles | location of gas exchange in bark |
| Fibrous roots | many thing long roots, root hairs increase surface area |
| Tap roots | single long main root |
| Four regions of a root | region of maturation, region of elongtaion, root apical meristem and rootcap |
| Root cap | for texture, lubrication and protection |
| Region of maturation | cell differentation |
| RAM | region of cell division |
| Three leaf structures | blade, petiole, and stipules |
| Blade | photosynthetic portion of a leaf |
| Petiole | attachment portion of a leaf |
| Stipules | guards the axillary bud |
| Opposite | 1 node= 2 leaves |
| Alternate | 1 node= 1 leaf |
| Whorled | 3+ leaves= 1 node |
| Basal rosette | around the base |
| Opposite trees | Maple Ash Dogwood BUCK-eyed |
| Simple leaf | single blade |
| Compound leaf | from base; several leaflets |
| Pinnate (Leaves) | "feather like" |
| Palmate | coming from a central point |
| Trifoliate | three leaflets |
| Parallel veins | monocot; veins never meet |
| Pinnate veins | 2nd vein branches from a main vein |
| Palmate veins | many veins from a single point |
| Dichotomous veins | branches off in twos |
| Secondary Xylem | pushed to the INSIDE (ring; wood) |
| Secondary Phloem | pushed OUTSIDE (thin layer) |
| Vascular Cambium | Bark line |
| Cork cambium | makes exterior bark layer |
| Maple Tree (Acer) | opposite simple lobed leaf thin twigs |
| Dogwood (Cornus) | opposite chunky bark (wind pollinators) |
| Sweetgum (Liquidambar) | dry fruits, dehiscent capsule, corky on top of branch, simple single lobed leaves |
| Magnolia (Magnolia) | native to South Eastern US, alternating leaves, wind pollinators (fuzzy) |
| Oak (Quercus) | hold leaves, acorns dry indehiscent nut, alternating WHITE: round simple lobed RED: sharp simple lobed |
| Ash (Fraxinus) | opposite bipinnate leaves, thick twigs and ropey bark |
| Willow (Salix) | Native to Idaho, simple narrow leaves alternating |
| Cottonwood (populus) | Native to Idaho alternating simple leaves, capsule cotton, sticky buds used to make paper |
| Black locus (Robinia) | pinnate |
Created by:
missmyk
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