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The botanical name of sunflower is Helianthus. It has a large flower head, usually with a large, almost black central part which is made up of thousands of tiny florets that later become seeds set in a spiral pattern. The petals are typically bright yellow, although some varieties are orange or red. Its stem is rough and hairy while the leaves large and rough with coarse jagged edges. Sunflowers typically grow to between one and a half and three and a half meters, with some giant variants reaching up to eight meters.
Sunflowers are generally hardy plants and can withstand short dry or wet spells. It’s important that they are not overwatered, as this loosens the soil to the point that they cannot support the weight of the large flowers heads. Seedlings need to be protected from snails until they are about ten centimeters high. Tall plants can be stabilized by tying individual plants to supporting sticks.
From the text above, we can infer that …
Not all of the sunflowers' petal are yellow.
Sunflowers’ stems are rough and hairy.
Sunflowers shouldn’t be overwatered.
Tall sunflowers can be stabilized by tying individual plants to supporting sticks
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