Group 13 Sunflower General Botany PDF

BS Biology 1 Group Number: 13 Members: Date: November 12, 2024 Ignacio, Carmel Grace CN: 0503 Carlos, Wendyl Garcia, Ken Hofer Sunflower (scientific name:Helianthus annuus )...

BS Biology 1 Group Number: 13 Members: Date: November 12, 2024 Ignacio, Carmel Grace CN: 0503 Carlos, Wendyl Garcia, Ken Hofer Sunflower (scientific name:Helianthus annuus ) Kingdom Division Class Order Family Tribe Genus Species  Name and Pictures Description Reason Plants are autotrophic, mostly Sunflowers are multicellular sessile organisms. They play a organisms with cell walls made crucial role in the ecosystem by of cellulose. They have producing oxygen and serving chloroplasts and carry out as the base of the food chain. photosynthesis to produce their Sunflowers, as part of this own food, which are kingdom, have the ability to fundamental characteristics of convert sunlight into chemical plants. Kingdom -Plantae energy. Angiosperms are the most They have true flowers with diverse group of plants. They distinct reproductive structures. have flowers as their The presence of flowers for reproductive structures. The sexual reproduction and the flowers attract pollinators, production of seeds enclosed enabling sexual reproduction. within a fruit (in this case, the Sunflowers' bright yellow sunflower seeds are within the flowers are designed for this structure that develops from the purpose. flower) are key features of flowering plants. Division -Magnoliophyta Dicots typically have two Sunflower embryos have two cotyledons in their seeds. Their cotyledons. This is a defining leaves often have a net-like vein characteristic of dicotyledonous pattern. Sunflowers show these plants. Additionally, they often characteristics, and this class have reticulate venation in their also includes many other leaves and other anatomical common plants. features common to this class. Class -Magnoliopsida This order is known for its The flower structure is a composite flower heads. In composite head. This order is sunflowers, the flower head is characterized by having flower made up of many small florets. heads that are made up of many Members ofAsterales often small florets grouped together, have a particular type of which is a prominent feature of inflorescence structure. sunflowers. Order -Asterales  TheAsteraceae family is large In addition to the composite and diverse. Plants in this family flower head, members of the usually have a head of small Asteraceae family often have florets surrounded by bracts. specific characteristics in their Sunflowers have a distinct inflorescence structure, such as involucre of bracts and a the involucre (a whorl of bracts characteristic disk and ray at the base of the flower head). florets arrangement. Sunflowers display these typical family characteristics. Family -Asteraceae This tribe includes plants with This tribe is defined by a similar floral and growth combination of morphological characteristics. Sunflowers have and genetic characteristics. features related to their florets Sunflowers have features such and overall growth form that as the arrangement and group them with other structure of their ray and disk Heliantheae members. florets that are shared with other members of the Tribe -Heliantheae Heliantheae tribe. Helianthus species share Sunflowers within the common traits such as the Helianthus genus share general appearance of the plant, common characteristics such as the structure of the flower head, the overall growth habit (tall, and certain aspects of their erect stems), the shape and size growth and reproduction. of the leaves, and the general Sunflowers in this genus are morphology of the flower heads. known for their heliotropic These shared characteristics behavior (following the sun). distinguish them from other genera within the family. Genus -Helianthus This is the specific sunflower Helianthus annuus has unique species. It is characterized by its characteristics that set it apart large, single flower heads with from other species within the bright yellow ray florets and a Helianthus genus. These can brown central disk. It has a include details of flower color, specific genetic makeup and size and shape of the flower ecological niche. head, and specific genetic markers. Species –Helianthus annuus