Russelia equisetiformis, the fountainbush, firecracker plant, coral plant, coral fountain, coralblow or fountain plant, is a species of flowering plant in the family Plantaginaceae. This weeping subshrub is native to Mexico and Guatemala.

"Firecracker red" is not a specific plant name or a recognized botanical term. However, it could be a descriptive phrase used to refer to plants or flowers with bright red coloration, reminiscent of the vibrant burst of a firecracker.

Numerous plants and flowers showcase striking red hues. Here are a few examples of plants known for their vibrant red flowers:

1. Firecracker Plant (Russelia equisetiformis): Also called the coral plant or fountain plant, Russelia equisetiformis features cascading, tubular red flowers that resemble tiny firecrackers. It is a perennial shrub native to Mexico and blooms throughout the year in warm climates.

2. Firecracker Vine (Manettia inflata): Manettia inflata, or the firecracker vine, is a tropical vine that produces bright red, tubular flowers with yellow tips. It is native to South America and is often grown as an ornamental plant in hanging baskets or trained on trellises.

3. Scarlet Sage (Salvia coccinea): Scarlet sage is a popular flowering plant that produces vibrant red tubular flowers. It is native to the southeastern United States and attracts pollinators such as hummingbirds and butterflies.

4. Red Hot Poker (Kniphofia uvaria): The red hot poker plant is known for its distinctive spike-like flower clusters that feature vibrant red, orange, or yellow colors. The individual flowers gradually open from the bottom, creating a fiery effect.

These are just a few examples, and there are many more plants with red flowers that could be associated with the term "firecracker red." If you have a specific plant or context in mind, please provide additional details for a more accurate response.