By organism › Green plants › Arecaceae › Calamus

Observationobservedoriginal resultmeasured

Claim · model-written summary

Calamus sp. was frequently cited by Dayak, Kutai and Paser respondents.

Taxon: Calamus sp.Calamuse0
Outcome: RFCe0
Value: Dayak's RFC 0.57; Kutai's RFC 0.20; Paser's RFC 0.59e0

Verbatim

e0
“Calamus sp. (Dayak's RFC 0.57; Kutai's RFC 0.20; Paser's RFC 0.59)”
✓ located verbatim in the source · abstract, characters 1276–1342

Title

Integrating Local Ethnobiology into Sustainable Forest City Development in Indonesia's New Capital City

Tri Atmoko; Mukhlisi Mukhlisi; Bina Swasta Sitepu; et al. Forest and Society 2026. doi:10.65844/2549-4333.1256

Other claims from this paper (9)

Observation The survey recorded 515 plant use citations.
Observation Bambusa sp. was cited by Dayak, Kutai and Paser respondents.
Observation Pandanus sp. had a Kutai RFC of 0.23.
Observation Peronema canescens had a Paser RFC of 0.30.
Observation Agathis borneensis was the only endangered plant category.
Observation Nine other plant species were vulnerable.
Observation No plant species were listed on CITES.
Observation Borassodendron borneense was the only protected plant.
Recommendation The authors recommend prioritizing locally essential plant species in forest city development.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Calamus sp. numbered 146 individuals.

Taxon: Calamus sp.Calamuse0
Outcome: individualse0
Value: 146 individualse0

Verbatim

e0
“Calamus sp. (146 individuals)”
✓ located verbatim in the source · abstract, characters 742–771

Title

Characteristics and habitat preferences of woody climber lianas on host trees in the Sumber Pawon Forest area, Kediri, East Java

Indah Trisnawati; Mukhammad Muryono; Muhammad Firdaus Sulaiman; et al. Springer Link (Chiba Institute of Technology) 2025. doi:10.1051/bioconf/202520202003/pdf

Other claims from this paper (11)

Observation The forest survey counted 717 lianas from 19 species in 10 families.
Observation Menispermaceae was the most common liana family at 37%.
Observation Arecaceae accounted for 23% of lianas.
Observation Piperaceae accounted for 16% of lianas.
Observation Anamirta cocculus numbered 200 individuals.
Observation Piper sp. numbered 119 individuals.
Observation Twining was the most common liana climbing mode.
Observation A single host tree could support many lianas.
Association Host tree bark texture was associated with liana abundance and distribution.
Association Host tree DBH was associated with liana abundance and distribution.
Association Host tree canopy cover was associated with liana abundance and distribution.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Daemonorops sp. was the dominant ground-cover species with IVI 12.70%.

Taxon: Daemonorops sp.Calamuse0
Outcome: ground covere0
Value: 12.70%e0

Not reportedDirection

Verbatim

e0
“The most dominant tree, pole, sapling, and ground cover species were Rubroshorea ovalis , Rubroshorea leprosula , Pternandra galeata , and Daemonorops sp. with IVIs of 20.5%, 24.65%, 13.42%, and 12.70%, respectively”
✓ located verbatim in the source · abstract, characters 580–795

Title

Plant Diversity in The Mining Concession Forest Area of West Kutai Regency, East Kalimantan

Fauziah; Titut Yulistyarini; Abban Putri Fiqa; et al. IOP Conference Series Earth and Environmental Science 2025. doi:10.1088/1755-1315/1489/1/012062

Other claims from this paper (14)

Observation The forest survey found 308 species, 74 families and 191 genera.
Observation Forest vegetation included 63 tree species.
Observation Forest vegetation included 77 pole species.
Observation Forest vegetation included 177 sapling species.
Observation Forest vegetation included 168 ground-cover species.
Observation Rubroshorea ovalis was the dominant tree species with IVI 20.5%.
Observation Rubroshorea leprosula was the dominant pole species with IVI 24.65%.
Observation Pternandra galeata was the dominant sapling species with IVI 13.42%.
Observation The lowest Shannon-Wiener index was 3.83 at tree level.
Observation The highest Shannon-Wiener index was 4.66 at sapling level.
Observation The forest contained 73 IUCN Red List species, including 18 threatened species.
Observation Four species were critically endangered, four endangered and ten vulnerable.
Recommendation The authors recommend in situ and ex situ conservation for forest vegetation.
Recommendation The authors recommend designating the forest as a conservation area.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The phylogenetic analysis supports the monophyly of the genus Calamus.

Taxon: CalamusCalamuse5
Outcome: monophyly of the genuse5

Verbatim

e5
“phylogenetic analysis revealed that C. tetradactylus formed a distinct clade within the phylogenetic tree, alongside other Calamus species, and C. tetradactylus was most closely related to C. walkeri, providing support for the monophyly of the genus”
✓ located verbatim in the source · abstract, characters 927–1176

Title

Chloroplast genome of Calamus tetradactylus revealed rattan phylogeny

Haibo Zhang; Peng Liu; Yi Zhang; et al. BMC Genomic Data 2024. doi:10.1186/s12863-024-01222-0

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Tetragonula species were primary floral visitors.

Taxon: CalamusCalamuse0
Interactor: TetragonulaTetragonulae0pollinator
Outcome: primary visitorse0

Verbatim

e0
“primary visitors of both Calamus species which include two species of Tetragonula”
✓ located verbatim in the source · abstract, characters 1312–1393

Title

Phenology and Breeding Mechanisms of Calamus lobbianus Becc. and Calamus pygmaeus Becc.

Ng Win Seng; Wong Sin Yeng; Hashimah Elias; et al. Tropical Life Sciences Research 2024. doi:10.21315/tlsr2024.35.3.9

Other claims from this paper (14)

Observation Anthesis in both species began early in the morning.
Observation Staminate anthesis ended by late noon, while pistillate anthesis lasted to the next day.
Observation Both species appeared to flower aseasonally.
Observation C. lobbianus had a male-biased population.
Observation C. pygmaeus showed no sex bias.
Observation Nectar was extruded at the petal base of C. lobbianus staminate and sterile staminate flowers.
Observation C. lobbianus staminate flower nectar peaked at about 11% concentration and 9 ?L volume around 1100.
Observation C. lobbianus sterile staminate flower nectar peaked at about 13% and 8 ?L around 0930.
Observation C. pygmaeus nectar appeared only as glistening exudate.
Observation Floral scent was undetected in both species.
Observation Liostenogaster sp. was a primary floral visitor.
Observation Stenodyneriellus sp. was a primary floral visitor.
Observation Breeding experiments indicated both species were likely apomictic.
Observation C. pygmaeus propagated vegetatively by rooting at inflorescence tips.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Liostenogaster sp. was a primary floral visitor.

Taxon: CalamusCalamuse0
Interactor: Liostenogaster sp.Liostenogastere0pollinator
Outcome: primary visitorse0

Verbatim

e0
“primary visitors of both Calamus species which include two species of Tetragonula, a species of Liostenogaster sp.”
✓ located verbatim in the source · abstract, characters 1312–1426

Title

Phenology and Breeding Mechanisms of Calamus lobbianus Becc. and Calamus pygmaeus Becc.

Ng Win Seng; Wong Sin Yeng; Hashimah Elias; et al. Tropical Life Sciences Research 2024. doi:10.21315/tlsr2024.35.3.9

Other claims from this paper (14)

Observation Anthesis in both species began early in the morning.
Observation Staminate anthesis ended by late noon, while pistillate anthesis lasted to the next day.
Observation Both species appeared to flower aseasonally.
Observation C. lobbianus had a male-biased population.
Observation C. pygmaeus showed no sex bias.
Observation Nectar was extruded at the petal base of C. lobbianus staminate and sterile staminate flowers.
Observation C. lobbianus staminate flower nectar peaked at about 11% concentration and 9 ?L volume around 1100.
Observation C. lobbianus sterile staminate flower nectar peaked at about 13% and 8 ?L around 0930.
Observation C. pygmaeus nectar appeared only as glistening exudate.
Observation Floral scent was undetected in both species.
Observation Tetragonula species were primary floral visitors.
Observation Stenodyneriellus sp. was a primary floral visitor.
Observation Breeding experiments indicated both species were likely apomictic.
Observation C. pygmaeus propagated vegetatively by rooting at inflorescence tips.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Stenodyneriellus sp. was a primary floral visitor.

Taxon: CalamusCalamuse0
Interactor: Stenodyneriellus sp.Stenodynerielluse0pollinator
Outcome: primary visitorse0

Verbatim

e0
“primary visitors of both Calamus species which include two species of Tetragonula, a species of Liostenogaster sp., and Stenodyneriellus sp.”
✓ located verbatim in the source · abstract, characters 1312–1452

Title

Phenology and Breeding Mechanisms of Calamus lobbianus Becc. and Calamus pygmaeus Becc.

Ng Win Seng; Wong Sin Yeng; Hashimah Elias; et al. Tropical Life Sciences Research 2024. doi:10.21315/tlsr2024.35.3.9

Other claims from this paper (14)

Observation Anthesis in both species began early in the morning.
Observation Staminate anthesis ended by late noon, while pistillate anthesis lasted to the next day.
Observation Both species appeared to flower aseasonally.
Observation C. lobbianus had a male-biased population.
Observation C. pygmaeus showed no sex bias.
Observation Nectar was extruded at the petal base of C. lobbianus staminate and sterile staminate flowers.
Observation C. lobbianus staminate flower nectar peaked at about 11% concentration and 9 ?L volume around 1100.
Observation C. lobbianus sterile staminate flower nectar peaked at about 13% and 8 ?L around 0930.
Observation C. pygmaeus nectar appeared only as glistening exudate.
Observation Floral scent was undetected in both species.
Observation Tetragonula species were primary floral visitors.
Observation Liostenogaster sp. was a primary floral visitor.
Observation Breeding experiments indicated both species were likely apomictic.
Observation C. pygmaeus propagated vegetatively by rooting at inflorescence tips.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The leaf extracts had substantial phenolic and flavonoid contents and antioxidant capacity.

Taxon: CalamusCalamust0
Organ / stage: leafe0
Outcome: phenolic and flavonoid contentse0
Direction: great amounte0

Verbatim

e0
“leaf extracts contain phenolic and flavonoid contents in great amount with the high level of antioxidant capacity.”
✓ located verbatim in the source · abstract, characters 1020–1134

t0
“Calamus”
✓ located verbatim in the source · title, characters 77–84

Title

In vitro Comparative Studies of the Leaf Extracts of Four Different Types of Calamus Species

Munsifa Sultana; Sajan Das; Mohammad Shahriar; et al. Dhaka University Journal of Pharmaceutical Sciences 2022. doi:10.3329/dujps.v21i2.63118

Other claims from this paper (4)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Antioxidant activity was strongly related to phenolic and flavonoid content.

Taxon: CalamusCalamust0
Compound: phenolic and flavonoid contentse0
Outcome: antioxidant activitye0

Not reportedDirection

Verbatim

e0
“A strong relationship was found between the antioxidant activity of the extracts with their total phenolic and flavonoid contents.”
✓ located verbatim in the source · abstract, characters 1576–1706

t0
“Calamus”
✓ located verbatim in the source · title, characters 77–84

Title

In vitro Comparative Studies of the Leaf Extracts of Four Different Types of Calamus Species

Munsifa Sultana; Sajan Das; Mohammad Shahriar; et al. Dhaka University Journal of Pharmaceutical Sciences 2022. doi:10.3329/dujps.v21i2.63118

Other claims from this paper (4)

Method / resourceobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

In the PCA of morphological variation among three jernang species, PC1 significantly explained up to 92% of total variation.

Taxon: Daemonorops spp.Calamust0
Outcome: total variationse0
Value: 92%e0

Verbatim

t0
“Daemonorops spp.”
✓ located verbatim in the source · title, characters 90–106

e0
“Up to 92% of total variations were significantly explained with PC1”
✓ located verbatim in the source · abstract, characters 1264–1331

Title

Application of Principal Component Analysis in distinguishing three species of ‘jernang’ (Daemonorops spp.)

R Andini; L A Yanti; S Rasnovi; et al. IOP Conference Series Earth and Environmental Science 2021. doi:10.1088/1755-1315/918/1/012026

Other claims from this paper (1)

Observation Among the three species measured with PCA, Daemonorops draco appeared to have more distinctive morphological characteristics.

Calamus 130 claims

130 claims