Indian Belladonna (Atropa indobelladonna)

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Atropa indobelladonna - Himalayan Belladonna Profile

The discovery of Atropa indobelladonna in the eastern Himalayas added a unique high-altitude member to the belladonna genus. This rare herbaceous species was originally discovered and described in 1965 as the sole member of the monotypic genus Pauia.

Following modern phylogenetic studies in 2020, botanists relocated the plant to the genus Atropa. The specific epithet pays tribute to its resemblance to the Indian belladonna, Atropa acuminata.

The original genus name, Pauia, honored the Spanish-born Indian botanist Hermenegild Santapau for his extensive contributions to the region's flora. Today, it remains a key subject for high-altitude biodiversity studies.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ asterids
  • ∟ order Solanales
  • ∟ family Solanaceae
  • ∟ subfamily Solanoideae
  • ∟ tribe Hyoscyameae
  • ∟ genus Atropa (Belladonna)
  • ∟ species Atropa indobelladonna (Indian Belladonna)

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Morphology

The habit of Atropa indobelladonna is characterized by robust, erect stems that grow in shaded forest understories. Leaves are large, alternate, and feature an elliptic to lanceolate shape with prominent venation.

The reproductive features of this species include:

  • Flowers: Solitary, bell-shaped, and pendulous blossoms that display greenish-purple hues.
  • Calyx: A persistent, leafy structure that expands and surrounds the developing fruit.
  • Berries: Fleshy, globose fruits that ripen to a dark purple or black shade, containing multiple seeds.

Flowering season

Typically mid-summer through early autumn, following the monsoon season in the eastern Himalayas.

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Applications

Due to its rarity and narrow distribution, Atropa indobelladonna has no widespread commercial or agricultural applications. However, it holds significant value for conservation biology and taxonomic research.

Phytochemical studies of related species suggest it may contain valuable tropane alkaloids. This makes it a subject of interest for comparative pharmacological investigations in its genus.

Interesting facts

For over half a century, this plant was classified under the unique monotypic genus Pauia. Its transfer to Atropa in 2020 resolved a long-standing botanical debate regarding its evolutionary lineage.

The original genus name honored Hermenegild Santapau, a Spanish Jesuit priest who became a naturalized Indian citizen and served as the Director of the Botanical Survey of India.

Geography of distribution

  • India (Arunachal Pradesh)

Sources

  • Plants of the World Online (POWO)
  • World Flora Online (WFO)
  • Tropicos
  • Global Biodiversity Information Facility (GBIF)

Technical Information

Taxon Synonyms: Pauia, Pauia belladonna

External Databases: GBIF, POWO, Tropicos

See also

Deadly Nightshade

Deadly Nightshade

Atropa bella-donna

Atropa bella-donna, commonly known as deadly nightshade, is a highly toxic perennial herbaceous plant in …

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Yellow belladonna

Yellow belladonna

Atropa lutea

A rare, yellow-flowered perennial herb related to the deadly nightshade, belonging to the Solanaceae family.

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