toxicity

What are the differences between Paederia scandens and Paederia japonica? What are the varieties and cultivars? How can we distinguish between similar species? What are the components of the foul odor? Are the flowers only for small bees? Are the fruits a favorite of birds?

Both Paederia scandens and Paederia japonica belong to the genus Paederia in the family Rubiaceae and are climbing herbs. They are well-known for the strong, foul odor they emit when their leaves are crushed, but the overall shape of their leaves is similar, and their flowers are identical. Combined with the confusion in their classification, they may sometimes be mistaken for each other...

2023.07.20

plant

What are the differences between Hypericum patulum, Hypericum patulum, Hypericum humile (Hidcote), and Hypericum patulum? An explanation of how to distinguish between similar species.

Hypericum patulum, Hypericum patulum, Hypericum humile (Hidcote), and Hypericum patulum are all evergreen shrubs belonging to the Hypericaceae family, genus Hypericum, and are cultivated in Japan for ornamental purposes. They are frequently seen in urban areas and are very popular for their yellow flowers, but their characteristics...

2023.06.13

plant

What are the differences between Melophyllum uliginosum and Melophyllum okinawaense? How do they differ from Tricholoma cucumeroides species? We'll explain how to distinguish between similar species! Is the pollination method unknown? Do birds like these cute fruits? Are they edible for humans?

Both *Melo serrulata* and *Melo okinawaensis* belong to the Cucurbitaceae family and are climbing annuals. Morphologically, they share similarities, including small flowers and smooth, hairless fruit surfaces. Furthermore, Google search suggestions are sometimes incorrect, making it difficult to distinguish between them without prior observation...

2023.06.01

plant

What are the different species of leafhoppers? How do they differ from planthoppers? Are they harmful? What do they eat? Did they communicate through "vibrations"? What is the role of their body color?

Leafhoppers are a general term for the family Cicadellaceae, a group of insects distributed worldwide that primarily inhabit the stems and leaves of herbaceous plants. At least 20,000 species have been described globally, and currently, 190 genera and 576 species are known in Japan, making them a highly diverse and thriving group. A close relative is the planthopper...

2023.05.09

animal

[Seed Plant Encyclopedia #153] What are the types of legumes? Photo list

The Fabaceae family is a large family of vascular plants, second only to the Asteraceae and Orchidaceae families in terms of the number of species it contains. It includes many useful plants used for food and other purposes, and is deeply connected to human life. It includes herbs and woody plants ranging from annual to perennial, with many being climbing or possessing tendrils...

2022.12.23

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

[Seed Plant Encyclopedia #003] What are the species of the Ginkgo family? Photo list

The Ginkgoaceae family consists of deciduous trees. The leaves are flattened and spread out, with veins repeatedly branching dichotomously from the base of the petiole, becoming parallel veins that reach the upper leaf margin. They are dioecious; male flowers bear numerous anthers on a slender stalk. Female flowers typically have two ovules facing upwards at the end of the pedicel. Fertilization occurs...

2022.07.14

Seed Plant Encyclopedia

[Seed Plant Encyclopedia #001] What are the species of the Cycadaceae family? Photo list

The family Cycadaceae is a family of plants belonging to the order Cycadales in the class Cycadae. All extant species are evergreen woody plants. The leaves are pinnately compound, with long, pointed leaflets. Numerous leaves grow at the tip of the stem, with the base remaining on the stem. The family is dioecious, with flowers borne terminally or laterally on the stem. The stamens (microsporophylls) are scale-like...

2022.07.13

Seed Plant Encyclopedia

How dangerous is the poison in oleanders? Why are they a symbol of peace in Hiroshima? The oleander flower, which doesn't secrete nectar, mimics an endangered species!?

Oleander is a common ornamental tree found in various locations throughout Japan, such as in parks and as street trees. However, it originally thrives in the Mediterranean and Southeast Asia. While there are various theories, it's said that 5 to 15 leaves are a lethal dose, and although extremely rare, there have been reports of poisoning in Japan. Furthermore, the smoke from burning oleander is also toxic...

2022.07.12

plant

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