Sunflowers have either 34, 55 or 89 petals on their face, depending upon the size of the sunflower. This number is based from the Fibonacci number and flower patterns. Fibonacci numbers are based on a certain sequence.Know More
The number of spirals in the center of a sunflower corresponds to a specific Fibonacci number. The head of the sunflower is made up of small seeds that are produced at its center and then migrate towards the outside of the flower. Each seed appears at a specific angle in relation to the one that came before it.
The petals of the sunflower are formed at the extremity of one of the seeds at the edge of the spiral. This is the reason the petals correspond with a Fibonacci number.Learn more about Botany
Sunflowers use a cross-pollination method of reproduction by attracting animals and insects such as bees and using them to spread reproductive pollen from one flower to another. Sunflowers can self-reproduce, but by doing this, they don't have the diverse offspring that are better suited to their environment.Full Answer >
Sunflower seeds sprout in seven to 10 days, and the plants mature and produce seeds in 80 to 120 days, depending on the type of flower, according to Burpee, a seed distributor. Plants need to be about 2 feet apart.Full Answer >
Plants are generally unaffected by light winds, but high winds can stunt plant growth. This problem can be avoided by frequent watering, using good fertilizer to encourage healthy roots and creating wind breaks.Full Answer >
In the cactus family, there are approximately 1,800 different species, notes the Arizona-Sonora Desert Museum. Some different varieties or types of cacti include barrel, cholla, prickly pear, hedgehog, columnar and pincushion cacti. Columnar cacti, whichare typically tall, include the species saguaro, senita, organpipe and cardon.Full Answer >