Philodendron crassinervium is a species of plant in the Araceae

Araceae

Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe or leaf-like bract. Also known as the Arum family, members are often colloquially...

 family.

It is native to southeast Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 and is part of the section

Section (botany)

In botany, a section is a taxonomic rank below the genus, but above the species. The subgenus, if present, is higher than the section, and the rank of series, if present, is below the section. Sections are typically used to help organise very large genera, which may have hundreds of species...

 Baursia

Baursia

Baursia is a section within the genus Philodendron that consists of 33 different species of plants. Philodendron species that are members of this section are typically described as having very prominent lateral veins. They also have elongated oblong leaves with a few species that are exceptions to...

. In fact, it is the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 of this section. It has long lance-shaped leaves

Leaf shape

In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...

 that point upwards with a large predominant midvein. The midvein is used to store water for periods of drought that occur during the dry season

Dry season

The dry season is a term commonly used when describing the weather in the tropics. The weather in the tropics is dominated by the tropical rain belt, which oscillates from the northern to the southern tropics over the course of the year...

. Along the midvein there are small red glands that produce a clear sap

Sap

Sap may refer to:* Plant sap, the fluid transported in xylem cells or phloem sieve tube elements of a plant* Sap , a village in the Dunajská Streda District of Slovakia...

 that results in a freckled-look on both sides of the leaves. The leaves themselves can grow to almost a meter long with a width of about 10 cm. Also, the plant has a climbing growth habit. The aerial roots of the plant are red when they first begin growing and later turn a dark brown with age.

The spadix

Spadix

In botany, a spadix is a type of spike inflorescence having small flowers borne on a fleshy stem. Spadix are typical of the Family Araceae known as arums or aroids...

 of philodendron crassinervium gets to about 20-25 cm long and is covered by a spathe that is white with shades of a dark red towards the bottom where the spadix

Spadix

In botany, a spadix is a type of spike inflorescence having small flowers borne on a fleshy stem. Spadix are typical of the Family Araceae known as arums or aroids...

 emerges. The berries produced contain eight axile ovules in each ovary locule

Locule

A locule is a small cavity or compartment within an organ or part of an organism ....

.

There are some species that resemble Philodendron crassinervium, such as Philodendron longilaminatum.