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Notiz von sarahtomomi, aktualisiert more than 1 year ago
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Erstellt von sarahtomomi
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Seite 1
Asteraceae (The Sunflower Family)
dicot 2 types: disk flowers: small corolla filling most of disk ray flowers: larger corollas (Dandelions) inflorescence arranged on disk-like base; whorls of bracts under base stamens: 5 (tiny & hard to count) leaves: variable form: variable ovary: inferior 1 ovule per ovary
Sunflowers are composed of both ray flowers and disk flowers. Dandelions are composed of only ray flowers.
Photos found on google search. http://plant-life.org/Asteraceae/flower_head04.gifhttp://www.backyardnature.net/pix/comp-fl.jpg
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