Seed Plant Encyclopedia

The Magnoliaceae family consists of evergreen or deciduous woody plants. The leaves are simple and alternate. The perianth segments are separate and whorled, exhibiting triperality. The stamens and pistils are numerous and arranged spirally. Approximately 300 species across two genera are known in the temperate and subtropical regions of Asia and America, with 7 species in one genus found in Japan...

ウマノスズクサ科 Aristolochiaceae は多年草または低木で、つる性のものもあります。葉は互生し、托葉を欠きます。花は一般に両性で、花弁は普通退化し、3個の花弁状の萼があり、その基部は筒状に合着するものが多いです。世界の熱帯から...

The Saururaceae family consists of perennial herbs with a generally pungent odor. Their leaves are simple and have stipules. The flowers are small, borne in dense spikes, and lack a perianth. The fruit is a capsule or berry, and the seeds are spherical with a high endosperm content. There are 4 genera and 6 species found in North America and Asia...

センリョウ科 Chloranthaceae は草本または低木。葉は対生し、単葉で鋸歯があり、葉柄基部には托葉があります。花序は穂状をなし、頂生または腋生。花は単性か両性で、両性花には花被はありません。雄しべは1本または3本。両性花では雄しべ...

マツブサ科 Schisandraceae は常緑または落葉の木本で、つる性のものもあります。葉は単葉で互生し托葉はありません。花はふつう葉腋に単生し、萼と花弁の区別がなく、花被片は離生します。果実は集合果、液果が球状または房状に集まるか、袋...

The family Taxaceae consists of evergreen trees or shrubs. The leaves are linear to linear-lanceolate, arranged spirally and alternately, but the leaf blades are horizontally arranged in two rows. They are usually dioecious, but occasionally monoecious. Male flowers are borne singly or in small spike-like inflorescences in the leaf axils, while female flowers are borne at the tips of the previous year's branches or on the leaves...

The Cupressaceae family consists of evergreen, rarely deciduous, trees or shrubs. Leaves are scale-like, needle-like, or linear, arranged alternately, oppositely, or whorled. Flowers are unisexual, monoecious, rarely dioecious. Male flowers are borne at the tips of branches. Female flowers are also often borne at the branch tips and have scale-like structures arranged oppositely or whorled...

The family Sciadopityaceae consists of evergreen trees. It is a monotypic family, endemic to Japan, comprising only one genus and one species. Molecular phylogenetic analysis suggests it branched off from the Taxaceae and Cupressaceae families in the early to mid-Permian period. Fossil records indicate that it was found in Laurasia, particularly in Europe, for most of the Cenozoic era...

The Podocarpaceae family consists of evergreen trees or shrubs. The leaves are flattened linear to ovate, sometimes scale-like, spirally arranged alternately, sometimes oppositely. They are dioecious (having separate male and female plants). Male flowers have numerous stamens spirally arranged on the flower axis. Female flowers have a single ovule at the tip of the receptacle. Many female flowers have fleshy, fleshy scales...

マツ科 Pinaceae は常緑ときに落葉の高木または低木。葉は針形または線形。花は単性で雌雄同株。雄花は多数の雄しべがらせん状につきます。雌花はらせん状に並んだ多数の鱗片からなります。鱗片は外側の苞鱗と内側の種鱗が組になり、その基部は合着...