American pokeweed
Phytolacca americana
Phytolacca americana, commonly known as American pokeweed, is a large herbaceous perennial native to North …
Blood-red pokeweed (Phytolacca sanguinea)
Silhouette: T. Michael Keesey
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Phytolacca sanguinea - Tropical Andean Pokeweed
Inhabiting the high-altitude cloud forests and montane valleys of the Andes, Phytolacca sanguinea thrives as a robust herbaceous perennial. It occurs naturally across several South American nations, including Colombia, Peru, Ecuador, and Venezuela. The species is characterized by its reddish stems and dark inflorescences, typical of the Phytolaccaceae family.
First described by the botanist Hans Walter, this plant has adapted to humid montane climates and disturbed forest margins. Its presence in diverse departments of Colombia and states of Venezuela highlights its ecological versatility.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms (Core angiosperms)
- ∟ eudicots
- ∟ core eudicots
- ∟ Superasterids
- ∟ order Caryophyllales
- ∟ family Phytolaccaceae (Pokeweed family)
- ∟ genus Phytolacca (Pokeweed)
- ∟ species Phytolacca sanguinea (Blood-red pokeweed)
Morphology
The vegetative structures of this species are adapted to the moist, high-elevation conditions of its native habitats. It produces tall, succulent stems that often take on a deep red or purple coloration as they mature.
Key morphological features include:
- Leaves: Simple, alternate, and lanceolate, with prominent venation and acute tips.
- Inflorescences: Long, spike-like racemes carrying numerous small, bisexual flowers.
- Berries: Fleshy, spherical fruits that turn deep purple-black when ripe, containing dark, glossy seeds.
Applications
As a wild plant containing toxic saponins, it is not utilized in mainstream agriculture or horticulture. Its primary value lies in its ecological role, providing food for native bird species that are immune to its toxins.
Some traditional communities have historically used related species for organic dyes and restricted ethnomedicinal purposes. However, modern scientific literature warns against any internal use due to high toxicity.
Interesting facts
The specific epithet sanguinea translates to 'blood-red,' referring to the intense coloration of its stems and berry juices. This vibrant pigmentation is a hallmark of many species in the genus.
Its seeds can remain dormant in the soil seed bank for extended periods, germinating rapidly after forest canopy gaps or land disturbances occur.
Geography of distribution
- Colombia
- Peru
- Ecuador
- Venezuela
Sources
- POWO: Plants of the World Online
- WFO: World Flora Online
- GBIF: Global Biodiversity Information Facility
See also
Ombu
Phytolacca dioica
Phytolacca dioica, known as the ombú, is a massive South American plant with a broad …
Indian pokeweed
Phytolacca acinosa
An upright perennial herb from the Himalayas and East Asia, notable for its rigid spikes …
Button pokeweed
Phytolacca icosandra
A tall neotropical perennial herb in the pokeweed family bearing dense cylindrical spikes of flowers …