Living things

What are the differences between Photinia serrulata, Photinia glabra, and Photinia glabra (Red Robin)? An explanation of how to distinguish between similar species.

Photinia serrulata, Photinia glabra, and Photinia glabra (Red Robin) are all members of the Photinia genus in the Rosaceae family. They are native to Japan and are also commonly cultivated as privacy screens in gardens, making them very familiar trees. Their most distinctive feature is their red young leaves. However, distinguishing between these three species can be difficult...

2024.04.20

plant

What are the differences between Lespedeza bicolor, Lespedeza thunbergii, Lespedeza cyanea, and Lespedeza thunbergii? An explanation of how to distinguish between similar species.

Lespedeza bicolor, Lespedeza thunbergii, Lespedeza thunbergii, and Lespedeza thunbergii are all perennial herbs belonging to the genus Lespedeza in the family Fabaceae. They are particularly small, less than 10mm in length, and do not develop woody tissue. A major common feature is that their petals are primarily white with purple markings that serve as nectar guides, making them difficult to distinguish...

2024.04.16

plant

What are the differences between Calanthe discolor and Calanthe japonica? An explanation of how to distinguish between similar species.

Both *Arabis japonica* and *Arabis humilis* belong to the genus *Arabis* in the family Brassicaceae, and are invasive weeds that can grow in urban areas with low levels of natural habitat, such as cracks in concrete. Their distinctive features that distinguish them from other species are their characteristic yellow flowers and divided leaves, typical of the Brassicaceae family. However...

2024.04.15

plant

What are the differences between Paulownia (Paulownia) and Jacaranda (Jacaranda)? An explanation of how to distinguish between similar species.

Paulownia (Paulownia) and Jacaranda (Jacaranda jacaranda) are both deciduous trees with "paulownia" in their name, and are quite similar in that they both produce purple, tubular, bell-shaped flowers, and their flowering seasons are also close. Traditionally, the paulownia has been considered a sacred tree by the Japanese, and its flowers and wood have been highly valued, while the jacaranda...

2024.04.14

plant

What are the differences between Senecio japonica, Senecio crassipes, and Senecio stolonifera? An explanation of how to distinguish between similar species.

Senecio vulgaris, Senecio rupestris, and Senecio rupestris all belong to the Senecio tribe (or Senecio tribe) of the Asteraceae family and are introduced weeds with the name "borogiku" (ragwort). A key characteristic is that their flower heads (capitulum) are composed solely of tubular florets. These three species have similar names...

2024.04.13

plant

What are the differences between cucumber grass, water hyacinth, and flowering flower? How do they differ from forget-me-nots and wild purple flowers? This article explains how to distinguish between similar species.

Both *Myosotis scorpioides* and *Myosotis alpestris* belong to the genus *Myosotis* in the family Boraginaceae, and are biennial herbs characterized by entire leaves, scorpion-shaped inflorescences, blue corollas, and the presence of appendages. *Myosotis scorpioides*, in particular, is well-known and popular for its pretty blue flowers that bloom in spring. *Myosotis scorpioides* and...

2024.04.09

plant

What are the differences between common chickweed, green chickweed, and cow chickweed? We'll explain how to distinguish between similar species! There are even differences in their survival strategies!?

Common chickweed, green chickweed, and large chickweed all belong to the genus Stellaria in the family Caryophyllaceae, and are representative Japanese weeds that can almost certainly be found if you observe roadsides. In Japan, they are one of the seven spring herbs and are familiar to people as they are eaten in seven-herb rice porridge. However, these three species are usually referred to simply as "chickweed"...

2024.04.08

plant

What are the differences between chickweed (Cerastium holosteoides) and Dutch chickweed (Cerastium holosteoides)? How do they differ from other chickweed species? This article explains how to distinguish between similar species.

Both *Cerastium holosteoides* and *Cerastium holosteoides* belong to the genus *Cerastium* in the family Caryophyllaceae, and are extremely common plants that grow along roadsides in spring, representing typical "weeds." However, few people may be able to accurately distinguish between the two species. Distinguishing between the two may require close observation in some cases...

2024.04.07

plant

What are the differences between Japanese apricot (Prunus tomentosa), Japanese garden apricot (Prunus serrulata), and Japanese garden cherry (Prunus serrulata)? How do they differ from Japanese apricot (Prunus mume) and Japanese cherry (Prunus serrulata)? This article explains how to distinguish between similar species.

Japanese apricot (Prunus tomentosa), Japanese garden apricot (Prunus serrulata), and Japanese cherry (Prunus serrulata var. japonica) all belong to the genus Prunus in the family Rosaceae. Despite being shrubs, they are popular in horticulture because they produce beautiful flowers in spring, similar to plums and cherries. They are also known to be edible. However, their appearance is quite similar, leading to confusion...

2024.04.03

plant

What are the differences between sea radish, flower radish, and large-flowered wallflower? An explanation of how to distinguish between similar species.

Sea radish, flower radish (Raphanus sativus), and large-flowered radish (Raphanus erythrosora) all belong to the Brassicaceae family, and their names sometimes include "radish." They are herbaceous plants that are cultivated for either ornamental or edible purposes and have also become naturalized. They are characterized by their purple, cross-shaped flowers...

2024.03.29

plant

Living things

What are the differences between Photinia serrulata, Photinia glabra, and Photinia glabra (Red Robin)? An explanation of how to distinguish between similar species.

What are the differences between Lespedeza bicolor, Lespedeza thunbergii, Lespedeza cyanea, and Lespedeza thunbergii? An explanation of how to distinguish between similar species.

What are the differences between *Calanthe discolor* and *Calanthe japonica*? An explanation of how to distinguish between similar species.

What are the differences between Paulownia (Paulownia) and Jacaranda (Jacaranda)? An explanation of how to distinguish between similar species.

What are the differences between *Senecio japonica*, *Senecio crassipes*, and *Senecio stolonifera*? An explanation of how to distinguish between similar species.

What are the differences between cucumber grass, water hyacinth, and flowering flower? How do they differ from forget-me-nots and wild purple flowers? This article explains how to distinguish between similar species.

What are the differences between common chickweed, green chickweed, and cow chickweed? We'll explain how to distinguish between similar species! There are even differences in their survival strategies!?

What are the differences between chickweed (Cerastium holosteoides) and Dutch chickweed (Cerastium holosteoides)? How do they differ from other chickweed species? This article explains how to distinguish between similar species.

What are the differences between sea radish, flower radish, and large-flowered wallflower? An explanation of how to distinguish between similar species.

What are the differences between Calanthe discolor and Calanthe japonica? An explanation of how to distinguish between similar species.

What are the differences between Senecio japonica, Senecio crassipes, and Senecio stolonifera? An explanation of how to distinguish between similar species.