Abstract
Osyris lanceolata Hochst. & Steud. (Santalaceae), commonly known as African sandalwood or Jangli Chai, is an evergreen, hemiparasitic tree of high medicinal and economic importance, yet its regional ecology and distribution in India remain poorly documented. The present study synthesizes information from published literature and targeted field surveys conducted in forested and hilly regions of Odisha, India, to document its habit, habitat, morphology, host associations, distribution, and ethnomedicinal uses. Field observations confirmed the occurrence of O. lanceolata in the Deomali hills of Koraput district, supplementing earlier records from Mahendragiri and Similipal, and revealed a highly scattered and patchy population structure restricted mainly to rocky slopes and montane dry woodlands. The species was found to parasitize multiple host plants, including Pongamia pinnata, Wendlandia thyrsoidea, and the invasive shrub Ageratina adenophora, indicating marked host generalism and ecological flexibility. Despite this adaptability, populations were typically represented by isolated individuals or small clusters, suggesting poor natural regeneration and potential vulnerability to habitat disturbance and destructive harvesting. The compilation of ethnomedicinal uses highlights extensive reliance on bark, roots, and heartwood, raising concerns regarding sustainability. By consolidating ecological and ethnobotanical information with new locality records from Odisha, this study provides a regional baseline that can guide site-specific conservation planning, promote sustainable utilization, and inform future research on population dynamics and regeneration biology of this increasingly threatened hemiparasitic tree.
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Claims 6
Claim · model-written summary
Osyris lanceolata was found to parasitize multiple host plants, including Pongamia pinnata and Wendlandia thyrsoidea, and the invasive shrub Ageratina adenophora.
- Taxon
- Osyris lanceolata
Osyris lanceolatae0 - Interactor
- Pongamia pinnata
_near_Hyderabad_W_IMG_7633.jpg?width=60)
Pongamia pinnatae1host - Second interactor
- Wendlandia thyrsoidea
Wendlandia thyrsoideae1host - Outcome
- parasitize multiple host plantse1
- Qualifier
- invasive shrub Ageratina adenophorae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_near_Hyderabad_W_IMG_7633.jpg?width=500)
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e1“The species was found to parasitize multiple host plants, including Pongamia pinnata, Wendlandia thyrsoidea, and the invasive shrub Ageratina adenophora”
Claim · model-written summary
Osyris lanceolata occurs in the Deomali hills of Koraput district, Odisha.
- Taxon
- Osyris lanceolataOsyris lanceolatae0
- Outcome
- occurrencee2
- Setting
- Deomali hills of Koraput districte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e2“Field observations confirmed the occurrence of O. lanceolata in the Deomali hills of Koraput district”
Claim · model-written summary
Osyris lanceolata populations show a highly scattered and patchy population structure restricted mainly to rocky slopes and montane dry woodlands.
- Taxon
- Osyris lanceolataOsyris lanceolatae0
- Outcome
- population structuree3
- Qualifier
- highly scattered and patchye3
- Setting
- rocky slopes and montane dry woodlandse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e3“revealed a highly scattered and patchy population structure restricted mainly to rocky slopes and montane dry woodlands”
Claim · model-written summary
Osyris lanceolata populations were typically represented by isolated individuals or small clusters.
- Taxon
- Osyris lanceolataOsyris lanceolatae0
- Outcome
- populationse4
- Qualifier
- isolated individuals or small clusterse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e4“populations were typically represented by isolated individuals or small clusters”
Claim · model-written summary
The authors suggest that Osyris lanceolata has poor natural regeneration.
- Taxon
- Osyris lanceolataOsyris lanceolatae0
- Outcome
- natural regeneratione5
- Qualifier
- poore5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e5“suggesting poor natural regeneration”
Claim · model-written summary
The compilation of ethnomedicinal uses highlights extensive reliance on bark, roots, and heartwood of Osyris lanceolata.
- Taxon
- Osyris lanceolataOsyris lanceolatae0
- Organ / stage
- bark, roots, and heartwoode6
- Outcome
- reliancee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osyris lanceolata Hochst. & Steud. (Santalaceae)”
e6“highlights extensive reliance on bark, roots, and heartwood”