Astrophytum asterias 'V-Type' is a distinct cultivar of the Astrophytum asterias, commonly known as the Star Cactus or Sea Urchin Cactus. This cultivar is especially prized by cactus enthusiasts for its unique characteristics. Here's an overview of its features and some cultivation tips:

Description of Astrophytum asterias 'V-Type'

1. Shape and Appearance: This cultivar maintains the classic low, rounded shape of the typical Astrophytum asterias, resembling a starfish or sea urchin. It's known for its flattened, disc-like body.
2. Ribs: The 'V-Type' has fewer ribs than the standard Astrophytum asterias, often having 5-8 ribs that are more pronounced and sharper in appearance.
3. Surface Texture: The surface is generally devoid of spines but is adorned with small, white, woolly areoles that give it a speckled look. These areoles are arranged in a V-pattern along the ribs, which is a distinguishing feature of this cultivar.
4. Flowers: It produces large, yellow flowers at the top of the cactus. These flowers are quite striking against the green to blue-green body of the plant.
5. Size: Like its parent species, it remains relatively small, making it suitable for collection and indoor cultivation.

Cultivation Tips

1. Light: Prefers bright, indirect sunlight. Direct sun can scorch the plant, especially in hot climates.
2. Water: Water sparingly, allowing the soil to dry out completely between watering. Over-watering can cause root rot, particularly in cooler months.
3. Soil: Use a well-draining cactus mix. A blend of regular potting soil with added perlite or pumice is ideal.
4. Temperature: It prefers warmer temperatures but should be protected from extreme heat and frost.
5. Fertilizer: Fertilize with a diluted cactus fertilizer during the growing season (spring and summer).
6. Repotting: Repot every few years to provide fresh soil and to accommodate growth. Handle gently to avoid damaging the delicate surface.
7. Propagation: This cultivar can be propagated from seeds, but due to its specialized characteristics, seed propagation might not always yield true 'V-Type' offspring. Grafting is another method uséd for propagation.

Astrophytum asterias 'V-Type' is a beautiful and unique cactus that makes a great addition to any collection, especially for those interested in rare or unusual cacti. With proper care, this plant can thrive and become a showpiece in your cactus garden or indoor plant collection.