What's the difference between Portulaca grandiflora and sunflower? 1, flower difference.
The original flower of Portulaca grandiflora is yellow, less than one centimeter in diameter. After artificial cultivation, there are many kinds of large flowers with double petals and rich colors, while the peanuts of sunflower are at the top of branches, with single petals and double petals, and the colors are rich and changeable, and more than two kinds of multicolored flowers can be produced on one flower.
2. Habit differences
Portulaca grandiflora has strong adaptability, likes high humidity environment, and the suitable growth temperature is 20 to 30 degrees, while sunflower likes warm and sunny environment, and it is easy to grow poorly and not bloom in dark and humid environment.
3. Morphological differences
The stems of Portulaca grandiflora lie prone and spread in many places, showing a growth trend of spreading to the ground. The cylindrical stem is light green or dark red in color, while the stem of sunflower lies flat or rises obliquely, and the plant is taller than Portulaca grandiflora, with green leaves and dense branches.
4. Species differences
Portulaca grandiflora belongs to the genus Panicum, the whole plant is hairless and widely distributed in China. Sunflower is a perennial flower of Portulaca grandiflora, which is often cultivated as an annual plant with many branches. It originated in Brazil in South America, and was gradually introduced to China.