By organism › Green plants › Juglandaceae › Pterocarya rhoifolia

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pterocarya rhoifolia and Aesculus turbinata dominated both forest types.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae0
Outcome: dominant species in both forestse0

Verbatim

e0
“The dominant species in both forests were high‐sprouting Pterocarya rhoifolia and low‐sprouting Aesculus turbinata”
✓ located verbatim in the source · abstract, characters 438–552

Title

Forest Structure and Maintenance Mechanisms of Montane Riparian Forests Under Extreme Snowfall in the Cool‐Temperate Zone of Western Fukushima, Japan

Yosuke Nakano; Wajiro Suzuki; Takashi Masaki Plant Species Biology 2026. doi:10.1111/1442-1984.70051

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In tall-tree forests, Pterocarya rhoifolia had a single trunk and reached about 30 m.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae1
Outcome: single‐trunk formse0
Value: about 30 me0
Setting: tall‐tree montane riparian foreste0

Verbatim

e0
“In the tall‐tree montane riparian forest, both species exhibited single‐trunk forms with a maximum height of about 30 m”
✓ located verbatim in the source · abstract, characters 632–751

e1
“Pterocarya rhoifolia and low‐sprouting Aesculus turbinata”
✓ located verbatim in the source · abstract, characters 495–552

Title

Forest Structure and Maintenance Mechanisms of Montane Riparian Forests Under Extreme Snowfall in the Cool‐Temperate Zone of Western Fukushima, Japan

Yosuke Nakano; Wajiro Suzuki; Takashi Masaki Plant Species Biology 2026. doi:10.1111/1442-1984.70051

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In dwarf forests, P. rhoifolia reached about 18 m bent trunk length.

Taxon: P. rhoifoliaPterocarya rhoifoliae0
Outcome: maximum bent trunk lengthe0
Direction: maximume0
Value: about 18 me0

Verbatim

e0
“P. rhoifolia had a maximum bent trunk length of about 18 m”
✓ located verbatim in the source · abstract, characters 799–857

Title

Forest Structure and Maintenance Mechanisms of Montane Riparian Forests Under Extreme Snowfall in the Cool‐Temperate Zone of Western Fukushima, Japan

Yosuke Nakano; Wajiro Suzuki; Takashi Masaki Plant Species Biology 2026. doi:10.1111/1442-1984.70051

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In dwarf forests, P. rhoifolia reached 10 m in height.

Taxon: P. rhoifoliaPterocarya rhoifoliae0
Outcome: heighte0
Value: 10 me0

Verbatim

e0
“P. rhoifolia had a maximum bent trunk length of about 18 m and a height of 10 m”
✓ located verbatim in the source · abstract, characters 799–878

Title

Forest Structure and Maintenance Mechanisms of Montane Riparian Forests Under Extreme Snowfall in the Cool‐Temperate Zone of Western Fukushima, Japan

Yosuke Nakano; Wajiro Suzuki; Takashi Masaki Plant Species Biology 2026. doi:10.1111/1442-1984.70051

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

In dwarf forests, P. rhoifolia produced more and smaller sprout trunks.

Taxon: P. rhoifoliaPterocarya rhoifoliae0
Outcome: sprout trunkse0
Direction: moree0

Verbatim

e0
“P. rhoifolia had a maximum bent trunk length of about 18 m and a height of 10 m, and produced more and smaller sprout trunks”
✓ located verbatim in the source · abstract, characters 799–923

Title

Forest Structure and Maintenance Mechanisms of Montane Riparian Forests Under Extreme Snowfall in the Cool‐Temperate Zone of Western Fukushima, Japan

Yosuke Nakano; Wajiro Suzuki; Takashi Masaki Plant Species Biology 2026. doi:10.1111/1442-1984.70051

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pterocarya rhoifolia seedfall fluctuated on a two year cycle.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae0
Outcome: seedfall fluctuatede1
Value: 2‐year cyclee1

Verbatim

e0
“Pterocarya rhoifolia”
✓ located verbatim in the source · abstract, characters 107–127

e1
“Fraxinus platypoda and P. rhoifolia seedfall fluctuated, with a 2‐year cycle”
✓ located verbatim in the source · abstract, characters 306–382

Title

Long‐term fluctuations and mechanisms of seed production of riparian tree canopy species

Hitoshi Sakio; Ayumi Kon; Masako Kubo; et al. Ecological Research 2023. doi:10.1111/1440-1703.12393

Other claims from this paper (12)

Observation Fraxinus platypoda seedfall fluctuated on a two year cycle.
Observation Cercidiphyllum japonicum produced seeds annually with an approximate four year cycle.
Observation The five year moving average of Fraxinus seedfall remained constant.
Observation The five year moving average of Pterocarya seedfall remained constant.
Observation The moving average of Cercidiphyllum seedfall gradually increased.
Association Fraxinus seedfall was influenced by previous year seedfall.
Association Pterocarya seedfall was influenced by previous year seedfall.
Association Cercidiphyllum seedfall was influenced by previous year seedfall.
Mechanism Fraxinus seedfall fluctuations were attributed largely to stored resources.
Association Pterocarya seedfall was linked to stored resources and preceding summer weather.
Association Cercidiphyllum seedfall was linked to stored resources and preceding summer weather.
Association Seed production patterns were associated with life history differences.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The five year moving average of Pterocarya seedfall remained constant.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae1
Outcome: simple moving average over 5 yearse0
Direction: constant levele0

Verbatim

e0
“The simple moving average over 5 years for F. platypoda and P. rhoifolia was maintained at a constant level over the 24‐year period”
✓ located verbatim in the source · abstract, characters 508–639

e1
“Pterocarya rhoifolia”
✓ located verbatim in the source · abstract, characters 107–127

Title

Long‐term fluctuations and mechanisms of seed production of riparian tree canopy species

Hitoshi Sakio; Ayumi Kon; Masako Kubo; et al. Ecological Research 2023. doi:10.1111/1440-1703.12393

Other claims from this paper (12)

Observation Fraxinus platypoda seedfall fluctuated on a two year cycle.
Observation Pterocarya rhoifolia seedfall fluctuated on a two year cycle.
Observation Cercidiphyllum japonicum produced seeds annually with an approximate four year cycle.
Observation The five year moving average of Fraxinus seedfall remained constant.
Observation The moving average of Cercidiphyllum seedfall gradually increased.
Association Fraxinus seedfall was influenced by previous year seedfall.
Association Pterocarya seedfall was influenced by previous year seedfall.
Association Cercidiphyllum seedfall was influenced by previous year seedfall.
Mechanism Fraxinus seedfall fluctuations were attributed largely to stored resources.
Association Pterocarya seedfall was linked to stored resources and preceding summer weather.
Association Cercidiphyllum seedfall was linked to stored resources and preceding summer weather.
Association Seed production patterns were associated with life history differences.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Pterocarya seedfall was influenced by previous year seedfall.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae1
Outcome: Each year's seedfalle0
Comparator: previous year's seedfalle0

Not reportedDirection

Verbatim

e0
“Each year's seedfall for the three species was influenced by the previous year's seedfall”
✓ located verbatim in the source · abstract, characters 687–776

e1
“Pterocarya rhoifolia”
✓ located verbatim in the source · abstract, characters 107–127

Title

Long‐term fluctuations and mechanisms of seed production of riparian tree canopy species

Hitoshi Sakio; Ayumi Kon; Masako Kubo; et al. Ecological Research 2023. doi:10.1111/1440-1703.12393

Other claims from this paper (12)

Observation Fraxinus platypoda seedfall fluctuated on a two year cycle.
Observation Pterocarya rhoifolia seedfall fluctuated on a two year cycle.
Observation Cercidiphyllum japonicum produced seeds annually with an approximate four year cycle.
Observation The five year moving average of Fraxinus seedfall remained constant.
Observation The five year moving average of Pterocarya seedfall remained constant.
Observation The moving average of Cercidiphyllum seedfall gradually increased.
Association Fraxinus seedfall was influenced by previous year seedfall.
Association Cercidiphyllum seedfall was influenced by previous year seedfall.
Mechanism Fraxinus seedfall fluctuations were attributed largely to stored resources.
Association Pterocarya seedfall was linked to stored resources and preceding summer weather.
Association Cercidiphyllum seedfall was linked to stored resources and preceding summer weather.
Association Seed production patterns were associated with life history differences.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Pterocarya seedfall was linked to stored resources and preceding summer weather.

Taxon: Pterocarya rhoifoliaPterocarya rhoifoliae1
Organ / stage: floweringe0
Outcome: amount of seedfalle0
Qualifier: fluctuations in stored resources and the average temperature or precipitation in the summer of the year before floweringe0

Not reportedDirection

Verbatim

e0
“the amount of seedfall for P. rhoifolia and C. japonicum was influenced by fluctuations in stored resources and the average temperature or precipitation in the summer of the year before flowering”
✓ located verbatim in the source · abstract, characters 986–1181

e1
“Pterocarya rhoifolia”
✓ located verbatim in the source · abstract, characters 107–127

Title

Long‐term fluctuations and mechanisms of seed production of riparian tree canopy species

Hitoshi Sakio; Ayumi Kon; Masako Kubo; et al. Ecological Research 2023. doi:10.1111/1440-1703.12393

Other claims from this paper (12)

Observation Fraxinus platypoda seedfall fluctuated on a two year cycle.
Observation Pterocarya rhoifolia seedfall fluctuated on a two year cycle.
Observation Cercidiphyllum japonicum produced seeds annually with an approximate four year cycle.
Observation The five year moving average of Fraxinus seedfall remained constant.
Observation The five year moving average of Pterocarya seedfall remained constant.
Observation The moving average of Cercidiphyllum seedfall gradually increased.
Association Fraxinus seedfall was influenced by previous year seedfall.
Association Pterocarya seedfall was influenced by previous year seedfall.
Association Cercidiphyllum seedfall was influenced by previous year seedfall.
Mechanism Fraxinus seedfall fluctuations were attributed largely to stored resources.
Association Cercidiphyllum seedfall was linked to stored resources and preceding summer weather.
Association Seed production patterns were associated with life history differences.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pollen fertility in two cultivated Pterocarya species generally exceeded 90%.

Taxon: Pterocarya rhoifolia Siebold et Zucc.Pterocarya rhoifoliae0
Organ / stage: Pollene0
Outcome: Pollen fertilitye0
Value: over 90%e0

Verbatim

e0
“Pollen fertility of two cultivated species (Pterocarya rhoifolia Siebold et Zucc., and P. stenoptera DC.) was very high, generally over 90%”
✓ located verbatim in the source · abstract, characters 688–827

Title

Pollen of Pterocarya (Juglandaceae) representatives from natural habitats and St. Petersburg environments

O. A. Gavrilova; G. A. Firsov; D. A. Gornov; et al. PROCEEDINGS ON APPLIED BOTANY GENETICS AND BREEDING 2022. doi:10.30901/2227-8834-2022-1-188-198

Other claims from this paper (7)

Pterocarya rhoifolia 23 claims

23 claims