English name(s): Texas nipple cactus.
It is native to North America and Venezuela. It consists of densely packed clusters of elongated oval stems, rounded at the top, covered in harmless yellow or brown spines, and in spring producing greenish yellow flowers.
Height: Under 6 in. (15 cm)
Difficulty to grow: Easy to grow.
Care: Because their root systems are weak, they are especially prone to root rot, which will eventually kill your plant. Watering in winter should be restricted. The plants may be sprayed and the soil drenched with pesticides to protect from diseases and pest.
Sunlight: Full sun, partial sun.
Soil: Well drained soil
Fertilizer: Light organic fertilizer.
Emma sibely (2017). The little book on cacti and other succulent, kindle edition.
T.K. Bose, B. Chowdhury (1991). Tropical Garden Plants. Horticulture and allied publishers.
Maj Gen, C S Bewli (2016). Cacti culture. Paperback.