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Hironoia fusiformis gen. et sp. nov.; a cornalean fruit from the Kamikitaba locality (Upper Cretaceous, Lower Coniacian) in northeastern Japan

• Masamichi Takahashi, Peter R. Crane, Steven R. Manchester
• Journal of Plant Research
• 2002

The application of sieving techniques to bulk samples from the Ashizawa Formation, Futaba Group (Lower Coniacian) of northeastern Honshu, Japan, has yielded well-preserved mesofossil assemblages… (More)

Fossil Flowers and Associated Plant Fossils from the Kamikitaba Locality (Ashizawa Formation, Futaba Group, Lower Coniacian, Upper Cretaceous) of Northeast Japan

• Masamichi Takahashi, Peter R. Crane, Hisao Ando
• Journal of Plant Research
• 1999

spores, and megaspores also document the presence of Selaginellaceae and Schizaeaceae.

Lauraceous Fossil Flower from the Kamikitaba Locality (Lower Coniacian; Upper Cretaceous) in Northeastern Japan

• Masamichi Takahashi, Patrick S. Herendeen, Peter R. Crane
• Journal of Plant Research
• 2001

, gen. et sp. nov. is assigned to the Lauraceae based on the regular trimerous organization of the perianth and androecium, and the valvate anthers. It provides the first detailed report of… (More)

Development of structure-less pollen wall inCeratophyllum demersum L. (Ceratophyllaceae)

• Masamichi Takahashi
• Journal of Plant Research
• 2006

Developmental process of structure-less exine is studied in a hydrophilous plant,Ceratophyllum demersum L., with electron microscopy. The plant shows a characteristic feature in tetrad formation. A… (More)

Sequential transformation rates of soil organic sulfur fractions in two-step mineralization process

• Toko Tanikawa, Kyotaro Noguchi, +5 authors Masamichi Takahashi
• Biology and Fertility of Soils
• 2013

To understand the organic sulfur (S) stabilization in volcanic soils, we investigated organic S transformation rates and their relationships to soil properties in incubation experiments using forest… (More)

Gas chromatography-mass spectrometric analysis of oxidative degradation products of sporopollenin inMagnolia grandiflora (Magnoliaceae) andHibiscus syriacus (Malvaceae)

• Masaya Kawase, Masamichi Takahashi
• Journal of Plant Research
• 2006

Sporopollenin can be dissolved in water by oxidative degradation with using potassium permanganate (KMnO4). in mature pollen grain ofMagnolia grandiflora andHibiscus syriacus some organic compounds… (More)

Pollen morphology of Gyrostemonaceae, Bataceae andKoeberlinia

• Hiroshi Tobe, Masamichi Takahashi
• Journal of Plant Research
• 2006

Pollen morphology of Gyrostemonaceae, Bataceae, andKoeberlinia, which have been affiliated with glucosinolate-producing taxa, was examined by field emission scanning and transmission electron… (More)

Soil Respiration in Different Ages of Teak Plantations in Thailand

• Masamichi Takahashi, Keizo Hirai, +5 authors Dokrak Marod
• 2008

Soil respiration is a crucial carbon flux for determining carbon balance in the forest ecosystem. In Kanchanaburi, western Thailand, we measured soil respiration at different stand ages (1, 6 and 21… (More)

Pollen development in a submerged plant,Ottelia alismoides (L.) Pers. (Hydrocharitaceae)

• Masamichi Takahashi
• Journal of Plant Research
• 2006

Exine structure and its developmental program in a submerged plant,Ottella alismoides (L.) Per. were investigated with scanning and transmission electron microscopies. Verrucate protrusions initiate… (More)

Early Cretaceous Umkomasia from Mongolia: implications for homology of corystosperm cupules.

• Gongle Shi, Andrew B. Leslie, +5 authors Peter R. Crane
• The New phytologist
• 2016

Corystosperms, a key extinct group of Late Permian to Early Cretaceous plants, are important for understanding seed plant phylogeny, including the evolution of the angiosperm carpel and anatropous… (More)

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