American pokeweed
Phytolacca americana
Phytolacca americana, commonly known as American pokeweed, is a large herbaceous perennial native to North …
Island pokeweed (Phytolacca insularis)
Silhouette: T. Michael Keesey
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Phytolacca insularis: Endangered Island Pokeweed
Found exclusively on the volcanic island of Ulleungdo, Phytolacca insularis represents a rare endemic species of South Korea. It occupies forest edges and shaded slopes, adapted to the specific maritime temperate climate of the island. Conservationists monitor this species closely due to its restricted geographical range and small population size.
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 insularis (Island pokeweed)
Morphology
This perennial herb grows to a height of one to one and a half meters, producing stout, fleshy stems. The large, ovate-lanceolate leaves feature entire margins and are arranged alternately on the branches. The plant develops a robust, deep root system capable of exploiting volcanic soils.
Key diagnostic features of its reproductive parts include:
- Inflorescences: Erect, dense racemes that remain rigid throughout the flowering and fruiting stages.
- Flowers: Small, greenish-white blossoms with distinct carpel arrangements that distinguish it from continental relatives.
- Fruits: Dark purple to black, segmented berries containing high concentrations of dark pigments.
Flowering season
Late spring to summer
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Name
Dec
Applications
Due to its endangered status and extreme rarity, Phytolacca insularis has no commercial, agricultural, or culinary applications. Botanical gardens and research institutes propagate it primarily for ex-situ conservation and genetic study. Scientific investigations have explored its unique saponins for potential pharmaceutical applications.
Interesting facts
This species is a classic example of insular endemism, having evolved unique characteristics in isolation on Ulleungdo Island. It is locally known as the island pokeweed and is protected under South Korean conservation programs. The plant's survival relies heavily on the preservation of the island's unique forest ecosystems.
Geography of distribution
- South Korea
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Tropicos Database
- Global Biodiversity Information Facility (GBIF)
Technical Information
Taxon Synonyms: Phytolacca acinosa f. insularis
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 …