Golden Pothos
Epipremnum aureum
Epipremnum aureum, commonly known as golden pothos, is a popular evergreen vine from French Polynesia. …
Papuan Pothos (Epipremnum papuanum)
Silhouette: T. Michael Keesey
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Epipremnum papuanum: Guide to the New Guinea Forest Climber
First described by the Dutch botanist Cornelis Rugier Willem Karel van Alderwerelt van Rosenburgh in 1920, Epipremnum papuanum thrives in the dense rainforest canopy of New Guinea. This species represents the eastern reaches of the genus's distribution in the Pacific. It grows as a woody, evergreen perennial climber, relying on tree trunks for physical support.
In its natural habitat, the plant relies on a specialized root system to anchor itself. The climbing habit allows it to ascend toward the light, which is crucial for its survival in shaded forest understories.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ monocots
- ∟ order Alismatales (Water plantain order)
- ∟ family Araceae (Arum family)
- ∟ subfamily Monsteroideae
- ∟ genus Epipremnum (Pothos)
- ∟ species Epipremnum papuanum (Papuan Pothos)
Morphology
This climbing liana exhibits a robust growth form tailored for life in the forest canopy. It climbs trees with the help of aerial roots, which cling tightly to rough bark. The foliage is evergreen and perennial, showing high adaptability to tropical humidity.
The plant features the following structural characteristics:
- Leaves: Simple or pinnate, depending on the maturity of the plant and light availability.
- Inflorescence: Flowers are enclosed within distinct green spathes, a classic characteristic of the Araceae family.
- Flowering: The plant features green spathes enclosing the flowers, which develop under high tropical humidity and warm temperatures.
Interesting facts
The scientific name of the genus, Epipremnum, originates from the Greek words epi, meaning 'upon', and premnon, meaning 'stump', which directly references the climbing nature of these plants on tree trunks. The species name papuanum is a geographical epithet denoting its endemism to the island of New Guinea.
Unlike its famous relative, the Golden Pothos, this species remains virtually unknown in the commercial houseplant trade. It is primarily preserved in botanical collections and its native rainforests.
Geography of distribution
- Papua New Guinea
- Indonesia
Sources
- Plants of the World Online (POWO): Royal Botanic Gardens, Kew
- World Flora Online (WFO): Epipremnum papuanum Alderw.
- Global Biodiversity Information Facility (GBIF): Species Details
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