Leaves & PhotosynthesisLeaves & Photosynthesis

Plant: HyacinthPlant: HyacinthTerm: Photosynthesis Term: Photosynthesis

HyacinthHyacinth

Plant type:Plant type: Interior Plant, Perennial Interior Plant, Perennial USDA Hardiness Zones:USDA Hardiness Zones: 6a to 9a 6a to 9a Height:Height: 9" to 12" 9" to 12" Spread:Spread: 3" to 5" 3" to 5" Exposure:Exposure: partial shade to full sun partial shade to full sun Blooms Color:Blooms Color: Early to Mid spring, Blue, Pink, Early to Mid spring, Blue, Pink,

Purple, Red, White, Yellow Purple, Red, White, Yellow Soil:Soil: dry to moist, Loamy, Neutral, Well drained dry to moist, Loamy, Neutral, Well drained Uses: Uses: Borders, forced potted plant, cut flower.Borders, forced potted plant, cut flower. Extremely fragrantExtremely fragrant Grows from bulbs – has vernalization requirementGrows from bulbs – has vernalization requirement

PhotosynthesisPhotosynthesis

The process of converting energy from the The process of converting energy from the sun and Carbon dioxide from the sun and Carbon dioxide from the atmosphere into glucose (food).atmosphere into glucose (food).

PhotosynthesisPhotosynthesis

Respiration – the OPPOSITE of Respiration – the OPPOSITE of photosynthesisphotosynthesis Carbohydrate + Oxygen + Water Carbohydrate + Oxygen + Water →→

Water + Carbon Dioxide + EnergyWater + Carbon Dioxide + Energy Plants photosynthesize & respirePlants photosynthesize & respire

CC33 & C & C44 Photosynthesis Photosynthesis

Two kinds of photosynthesis: CTwo kinds of photosynthesis: C33 & C & C44

CC44 Plants photosynthesis more rapidly than C Plants photosynthesis more rapidly than C33

CC44 Plants can photosynthesize at hotter Plants can photosynthesize at hotter temperatures and brighter light than Ctemperatures and brighter light than C33

CC44 Plants use CO Plants use CO22 more efficiently than C more efficiently than C33 Plants. Plants.

CC44 Plants are better suited to warm & tropical Plants are better suited to warm & tropical climatesclimates

CC3. 3. Plants are better suited to more temperate Plants are better suited to more temperate areasareas

Leaf FunctionsLeaf Functions PhotosynthesisPhotosynthesis

Food ManufactureFood Manufacture Only in leaves & stems (Green parts)Only in leaves & stems (Green parts)

RespirationRespiration Opposite of photosynthesisOpposite of photosynthesis Necessary for growthNecessary for growth All plant cellsAll plant cells

TranspirationTranspiration Water controlWater control

Leaf AnatomyLeaf Anatomy•Stomata – pore openings in the epidermis

•Control water & gas flow

Chloroplasts & ChlorophyllChloroplasts & Chlorophyll

Site of photosynthesisSite of photosynthesis Light phaseLight phase

Sunlight to ATPSunlight to ATP Dark phaseDark phase

ATP to glucoseATP to glucose

Leaf ArrangementsLeaf Arrangements

Leaf ShapesLeaf Shapes

Leaf MarginsLeaf Margins

Why is it important?Why is it important?

Leave shapes, margins, and Leave shapes, margins, and arrangements are used to identify arrangements are used to identify unknown plants.unknown plants.

ID keys take you step by step through ID keys take you step by step through the leaf arrangement until you have the leaf arrangement until you have found the right plantfound the right plant

Common Trees of Va. book Common Trees of Va. book

Fast Plants SeedsFast Plants Seeds

Start Fast PlantsStart Fast Plants Everybody gets 6 seedsEverybody gets 6 seeds 1 Petri Dish1 Petri Dish Person with the highest seed Person with the highest seed

production at the end of the lifecycle production at the end of the lifecycle gets a Subway gift card.gets a Subway gift card.