classification

What are the differences between Cornus kousa, Cornus florida, and evergreen Cornus kousa? We'll explain how to distinguish between similar species! Various insects visit the flowers, but are there differences in their tendencies? There are two types of fruits: "drupe" and "aggregate fruit"!?

Cornus kousa, Cornus florida, and Cornus kousa var. serrata are three commonly planted trees with flowers featuring distinctive white bracts that resemble petals. Their white bracts are similar, and their leaf shapes are also alike, which can sometimes lead to confusion. However, these three species cannot be distinguished solely by leaf shape and color...

2023.04.05

plant

[Seed Plant Encyclopedia #155] What are the species of the Polygalaceae family? Photo list

All species of the Polygalaceae family found in Japan are herbaceous. The leaves are simple, alternate, and lack stipules. The flowers are bisexual and bilaterally symmetrical. There are 5 sepals. The petals are 5 in number, partially reduced or fused. There are 4 or 8 stamens, fused at the base. The ovary is superior and 2-chambered. The fruit is a capsule or drupe. [...].

2022.12.25

Seed Plant Encyclopedia

07.1452.1 Kireha no Doubu (Vitis coignetiae) Fruit

[Seed Plant Encyclopedia #149] What are the species of the Vitaceae family? Photo list

The Vitaceae family consists of climbing woody or herbaceous plants. They ascend using modified stems called tendrils, although a few genera lack tendrils. The tendrils and leaves are opposite. Leaves are alternate, simple, or compound. Simple leaves are often palmately lobed. Inflorescences are usually opposite the leaves. The flowers are...

2022.12.16

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #143] What are the species of the Crassulaceae family? Photo list

The Crassulaceae family consists entirely of succulent herbs or shrubs, often with enlarged rhizomes or roots. The leaves are simple. The flowers are radially symmetrical, mostly hermaphroditic, but some genera are unisexual, monoecious, or dioecious. The calyx is somewhat fleshy, green (sometimes reddish)...

2022.12.13

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #141] What are the species of the Grossulaceae family? Photo list

The family Grossulariaceae was previously classified under the Saxifragaceae family, but has been separated into the order Saxifragales. It consists of a single genus, Ribes, with approximately 150 species distributed in the temperate and subarctic regions of Eurasia, South America, and Northeast Africa. This article will discuss...

2022.12.09

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #137] What are the species of Hamamelidaceae? Photo List

The Hamamelidaceae family consists of deciduous or evergreen trees or shrubs, often covered in stellate hairs. Leaves are alternate, simple or palmate, and petiolate. They have deciduous stipules. Flowers are bisexual or unisexual, radially symmetrical, rarely bilaterally symmetrical, axillary, capitate, or conchoidal...

2022.12.07

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #124] What are the species of the Ranunculaceae family? Photo list

The Ranunculaceae family mostly consists of perennial herbs, but some are annuals or biennials, and occasionally shrubs. Leaves can be alternate or opposite, and leaf shape varies considerably. Flowers are radially or bilaterally symmetrical, and many have sepals that resemble petals. Some petals are missing...

2022.11.18

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #116] What are the types of grasses? Photo list

The grass family (Poaceae) consists of annual to perennial herbs, or plants with woody, perennial stems. The stem, called a "culm," has septa at the nodes, and the rest of the stem is hollow or contains pith. Leaves are arranged alternately in two rows and consist of a leaf blade and a leaf sheath. The leaf blade is often linear, and the leaf sheath is wide...

2022.10.26

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #111] What are the species of Cyperaceae? Photo List

The Cyperaceae family consists of annual or perennial herbs. Most have solid, triangular stems. The leaves are linear, with the base forming a tubular sheath. Some genera, such as *Erigeron annuus*, *Scirpus juncoides*, *Scutellaria*, and *Cyperus*, have reduced leaf blades, leaving only a sheath...

2022.10.15

Seed Plant Encyclopedia

Posts 4155 Featured Image Terrestrial Aquatic Insect Identification Books

Summary of Identification Literature for Terrestrial and Aquatic Insects: List of Field Guides and Papers Containing Identification Keys

This article compiles literature for identifying insects. The focus is primarily on literature containing identification keys that allow for reliable species identification. While all taxonomic groups are covered, this is based on personal needs and observations, and therefore is not a comprehensive collection...

2022.10.06

animal