chemistry

What are the differences between goldenrod, autumn goldenrod, and mountain goldenrod? How do they differ from other goldenrod species? This article explains how to distinguish between similar species.

Goldenrod (Solidago altissima), autumn goldenrod (Solidago virgaurea), and mountain goldenrod (Solidago virgaurea var. japonica) all belong to the genus Solidago in the Asteraceae family, and are representative perennial plants that bloom with small yellow flowers (more accurately, flower heads) in autumn. Goldenrod, in particular, is well-known because it proliferates rapidly in some regions...

2023.11.05

plant

What are the differences between Mallotus japonicus, Mallotus japonicus, and Quercus dentata? We'll explain how to distinguish between similar species! Mallotus japonicus has hairs on its surface and an impenetrable defense against ants!?

Both *Mallotus japonicus* and *Mallotus japonicus* are deciduous trees belonging to the Euphorbiaceae family, and they share the characteristic of having extrafloral nectaries at the base of their leaves. Therefore, it can sometimes be difficult to distinguish between them. Furthermore, the Japanese name "Akamegashiwa" includes the word "kashiwa," which is similar to oak...

2023.08.07

plant

What are the differences between hydrangeas, lacecap hydrangeas, mountain hydrangeas, oakleaf hydrangeas, and American hydrangea (Annabelle)? We explain how to distinguish between similar varieties! Most of the flowers are just "decorations"!? What do the fruits, which are rarely seen, look like?

Hydrangeas, lacecap hydrangeas, mountain hydrangeas, oakleaf hydrangeas, and American hydrangeas (Annabelle) all belong to the genus Hydrangea in the family Hydrangeaceae, and are commonly cultivated and found in urban areas. Hydrangeas, in particular, are arguably representative of Japan. All of them develop large calyxes around the rainy season...

2023.06.06

plant

What's the difference between okra and tororo aoi (flower okra)? How to distinguish between similar species! What are the uses? Bees love the flowers! What happens to unripe okra if left unattended?

Okra and Abelmoschus manihot both belong to the Malvaceae family, and are used by humans due to the viscous nature of parts of their bodies. Morphologically, they share similarities: their leaves are palmate with 3-9 lobes, their flowers have a protruding "column" (a fused structure of stamens and pistils), and their corollas are white...

2023.05.16

plant

List of references for identifying terrestrial and aquatic insects (continuously being edited)

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

[Seed Plant Encyclopedia #091] What are the species of the Commelinaceae family? Photo list

The Commelinaceae family consists of annual or perennial herbs, some of which are climbing plants. The leaves have parallel veins, and the base forms a sheath. The central vein is somewhat thick and conspicuous. The flowers are bilaterally or radially symmetrical. Of the six perianth segments, the three outer segments are sepal-like, while the inner...

2022.09.06

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #089] What are the different types of palm trees? Photo list

The Arecaceae family consists of evergreen trees or shrubs. The leaves are palmately or pinnately lobed. The petioles clasp the stem at the base, forming a sheath. They bear small flowers in a conical or spadix inflorescence with bracts. Approximately 2,400 species belonging to 190 genera are known, mainly found in tropical and subtropical regions....

2022.09.05

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #004] What are the species of the Ephedra family? Photo list

The Ephedraceae family generally consists of shrubs, sometimes vines, and rarely small trees. It includes only the genus Ephedra. It is distributed across southwestern North America, southern Europe, northern Africa, southwestern and central Asia, northern China, and western South America, and is widely found in arid regions. Temperate regions...

2022.07.15

Seed Plant Encyclopedia

What are the species of moths in the family Zygaenidae? Are they poisonous? Are they harmful? What is the purpose of their bright colors?

The Zygae family, exemplified by species like the firefly moth and the bamboo grass moth, is known for its bright, diurnal colors. But do you know why they have such striking colors? It turns out they possess a powerful poison that produces cyanide, and these colors serve as a "warning signal"...

2022.06.28

animal

What kind of dragonfly is a "red dragonfly"? Why does it turn red? Why does the common skimmer dragonfly turn blue? Two scientific reasons have been revealed. It turns out it's actually "sunscreen"!?

The "red dragonfly" is a creature so familiar to Japanese people that it even has its own children's song. The group commonly referred to as "red dragonfly" is a general term for dragonflies whose males turn red. Taxonomically, it's not a single group but rather a collective term for several separate groups, such as the Sympetrum and Scarlet Skimmer genera.

2022.06.17

animal