Petals house inner flower parts and attract pollinators through color. Sepals form protective green layer around unopened flowers. Peduncle is flower stalk, receptacle holds major organs
Angiosperms are flowering plants with vascular systems and seeds. They represent 80% of all known green plants. More than 250,000 species, 8000 genera, and 453 families exist. Range from 0.5cm Wolffian to 120m Eucalyptus
Plants are multicellular, eukaryotic organisms ranging from mosses to trees. They possess chlorophylls for photosynthesis and store food as starch. Plant cells have rigid cell walls and interconnected plasmodesmata. Plants can use inorganic nitrogen and sulfur without external protein
Angiosperms are flowering plants containing seeds in enclosed ovaries. Approximately 80% of all known green plants are angiosperms. There are 453 families with 260,000 living species. Found in every habitat except extreme climates
Stipule is an outgrowth on both sides of leafstalk base. Term coined by Linnaeus from Latin stipula, meaning straw or stalk. Some older botanical writing used term for any small leaf parts
Pinaceae includes conifer trees and shrubs with 220-250 species in 11 genera. Family is second-largest in geographical range after Cupressaceae. Trees grow 2-100 meters tall, mostly evergreen with resinous wood. Most species have two ovules on woody scales