COTYLENDON The slender stalk of the stamen that supports the anther. ANNUAL RING CUTICLE ANTHER A structure that develops from the ovary after fertilization. It contains the seeds & protects them from disease & animals The collective name of for the sepals. EMBRYO BARK The wide, flat part of a leaf. A flower that contains all four flower parts. A cell located on either side of the stomata that controls the opening & closing of the stomata. CAMBIUM EPIDERMAL TISSUE The collective name for the petals. A stem that is usually green & flexible. Chapter 7 PLANT STRUCTURE Chapter 7 PLANT STRUCTURE COMPLETE FLOWER A saclike structure containing pollen that grows at the end of the stamen’s filament. In plant seeds, it is the young plant. GUARD CELL COROLLA The protective outermost layer of tissue in woody stems. The outer layer of cells in the leaf that protects the leaf from injury & disease. HERBACEOUS STEM Growth tissue of vascular plants that produces both the xylem & phloem. A waxy covering present on some leaves that covers the epidermis & provides extra protection against water loss & insect damage. CALYX FRUIT A ring formed by one year’s growth of xylem tissue that is A seed leaf. In monocots only one cotyledon is present. In dicots two cotyledons are present. FILAMENT BLADE SEED COAT A layer of elongated cells stacked closely together that makes up the upper side of the leaf. INCOMLETE FLOWER A type of vascular tissue that transports products of photosynthesis throughout the plant. IMPERFECT FLOWER SEPAL A flower in which both pistils & stamens are present. The female part of the flower. It includes the stigma, style, & ovary & is located in the center of the flower. OVARY SPONGY CELL One of several structures inside the calyx. They surround the flower’s reproductive parts & help attract insects & other animals for pollination. A protective layer of cells that protects the growing root tip. OVULE STAMEN The stalk that joins the leaf the branch. Threadlike filaments that grow from the outer cells of the root. Help the young root absorb water & minerals. Chapter 7 PLANT STRUCTURE Chapter 7 PLANT STRUCTURE The reproductive structure in the plant ovary that will develop into a seed. Male part of a flower that includes the filament & anther. ROOT HAIR PETIOLE A layer of loosely packed cells that makes up the PETAL A flower that lacks one or more of the four flower parts. ROOT CAP A plant structure that forms at the base of the pistil & The outermost part of the flower; leaf like structures that PERFECT FLOWER PISTIL A flower that lacks either stamens or pistils & is either The protective coat that forms the outer covering of the PALISADE CELL PHLOEM STIGMA The lines or ridges that can be seen on the leaf surface. They are made up of vascular tissue & allow water & nutrients to move through the leaf. STOMATA The xylem in the stems of woody plants. STYLE A stem made up of annual rings of xylem. It is harder & more rigid than an herbaceous stem. VASCULAR BUNDLE A type of vascular tissue that transports water & minerals from the roots to the rest of the plant. Chapter 7 PLANT STRUCTURE The bundles into which vascular tissue is organized in herbaceous stems & young woody stems. XYLEM Slender tube of the pistil that connects the stigma & ovary WOODY STEM A small opening on the lower surface of most leaves through which carbon dioxide & oxygen pass during photosynthesis. WOOD The sticky structure that forms the top of the pistil & is the place the pollen lands during pollination. VEIN