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hort 1 14.01
Major Plant Parts
Question | Answer |
---|---|
Leaf stalk or part that connects leaf to stem. | Petiole |
The larg, flat part of a leaf. | Blade |
The large center vein. | Midrib |
The structural framework of leaf. | Veins |
The edge of leaf. | Margin |
Skin of the leaf that prevents the loss of too much moisture. | Upper and lower epidermis |
Small openings under the leaf for breathing or transpiration. | Stomates |
Open and close stomates. | Guard cells |
Small green particles that contain chlorophyll, give leaves their green color and are necessary for photosynthesis. | Chloroplasts |
Breathing pores. | Lenticels |
Show where terminal buds have been located. | Bud scale scars |
Show where leaves were attached. | Leaf scars |
Bud on end of stem. | Terminal bud |
Bud on side of stem. | Axillary or lateral bud |
Tissue that transports water and nutrients up from roots to stems and leaves. | Xylem |
Tissue that transport food down from leaves to roots. | Phloem |
Thin, green, activly growing tissue located between bark and wood and prouces all new stem cells. | Cambium |
Old inactive phloem. | Bark |
Old inactive xylem. | Heartwood |
New active xylem. | Sapwood |
Plant stems have a vascular bundles that contain both xylem and phloem in each bundle - ex. grasses, corn | Monocots |
plant stems have phlome layer and xylome layer seperated by cambium - ex. trees | Dicots |
Indicates growth of new cellsalso protects tip. | Root cap |
Absorb moisture(water) and minerals. | Root hair |
The outer layer and carries food down the root. | Pholem |
The inner layer an d carries water and minerals up to the stem. | Xylome |
Many branched shallow roots, are easier to transplant. | Fibrous |
Long root with few branched ones, are more difficult to transplant. | Tap |
Develop into seeds and fruits. | Flowers |
Green parts that cover and protect flower bud before it opens. | Sepals |
Are really leaves that are modified to attract insects for flower pollination, the pretty part that we call flowers. | Petals |
The male flower parts. | Stamens |
Short stalk that holds up the anther. | Filament |
A sac-like structure that contians pollen, the male sex cells. | Anther |
The female parts. | Pistil |
The eggs or female sex cells that becomeseed if fertilized. | Ovules |
if fertilized becomes a fruit or seed coat | Ovary |
holds up the stigma and connects it to the ovary | Style |
sticky part on top of style where insects leave pollen | Stigma |
has both male and female parts | Complete flower |
has only male or female parts | Incomplete flower |