Ceroxylon quindiuense

The *Ceroxylon quindiuense* is a remarkable species of palm tree. It is commonly known as the Quindío wax palm. This plant is native to the humid montane forests of the Andes mountains. These forests are located in Colombia and Peru. The Quindío wax palm holds a special record in the plant kingdom. It is the tallest recorded monocot in the entire world. A monocot is a type of flowering plant with one seed leaf.

The physical structure of this palm is very distinct. The trunk is cylindrical and has a smooth, light color. It is covered in a thick layer of white wax. You can see dark rings circling the trunk. These rings are actually leaf scars left behind by old leaves. The leaves are long and appear dark green or grayish. Each leaf is attached to the trunk by a petiole, which is a leaf stalk. The petiole can grow up to 2 meters long. When the palm produces fruit, the fruits are globose, or round. These fruits turn an orange-red color once they are ripe.

Scientists have studied this palm to understand its place in nature. The name *Ceroxylon* comes from two Greek words. The word *kèròs* means wax. The word *xγlon* means wood. This name describes the thick wax found on the trunks. The second part of the name, *quindiuense*, is a geographical epithet. This name refers to the Quindío region where the palm is found. The species was formally described by Gustav Karl Wilhelm Hermann Karsten. He published his findings in the journal *Bonplandia* in 1860.

These palms grow in specific environments within the Andes. They often grow in large and dense populations. Most of these populations are along the central and eastern Andes of Colombia. Some are also found in the western Colombian Andes. There is also a disjunct distribution in the northern Andes of Peru. This means the populations are separated by distance. The palms live at high elevations. They grow at altitudes between 2,000 and 3,000 meters above sea level.

The life cycle of the Quindío wax palm is quite slow. It takes a long time for these trees to mature. A palm reaches its minimum reproductive age at 80 years. This slow growth makes the species very important to its ecosystem. The palms provide habitats for many unique life forms. For example, the endangered yellow-eared parrot lives in these trees. The survival of such species depends on the presence of these palms.

Humans have interacted with this palm for many centuries. In the 19th century, people used the wax from the trunks to make candles. The outer part of the stem has also been used for building. Local people used the stem to build houses. Some even used it to build water supply systems for farmers. The fruit has also been used as feed for pigs and cattle. However, these activities have caused problems for the trees. In the past, people harvested leaves for Palm Sunday celebrations. This often involved damaging young palms to the point of death.

Today, there are many efforts to protect the *Ceroxylon quindiuense*. The populations are currently threatened by diseases. They are also threatened by overharvesting and habitat disturbance. In Colombia, the palm is the national tree. To help protect it, the government implemented Law 61 of 1985. This law makes the palm a legally protected species in Colombia. While it faces threats in the wild, it is also grown as an ornamental plant. You can find these palms cultivated in Colombia and in California.