Scientific Name
Piaranthus geminatus (Masson) N.E. Br.
Synonyms
Stapelia geminata
Scientific Classification
Family: Apocynaceae
Subfamily: Asclepiadoideae
Tribe: Ceropegieae
Subtribe: Stapeliinae
Genus: Piaranthus
Description
Piaranthus geminatus is a succulent that spread over the ground forming large cushions. The stems are light green, up to 6 inches (15 cm) long, and up to 0.7 inches (1.8 cm) thick. The flowers are up to 1.6 inches (4 cm) in diameter, 5-pointed, fleshy stars varying from whitish, yellowish, reddish, or bright brown, with or without brown-red dots or transverse lines sometimes condensed to a more or less plain coloration.
Photo via cactus-art.biz
Hardiness
USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
Stapeliads are relatively easy to grow. They should be treated as an outdoor plant as they will easily rot indoors and cannot flower without exposure to outdoor temperature fluctuations. They should be grown under cover so that watering can be controlled. Stapeliads require a reasonable amount of sunlight to promote flowering and maintain a well-shaped plant. Very shady positions will produce very poor flowering.
These plants come from climates where they survive extremely high temperatures in the summer months, so most growth is in spring and fall, with flowering in fall when the weather starts to cool down. In the growing season, water in moderation when needed, making sure soil is fairly dried out between waterings. Do not water between late fall and early spring.
The easiest and best way to propagate Stapeliads is from stem cuttings, which can be taken virtually throughout the year. Using seeds is also a method of propagation. See more at How to Grow and Care for Stapeliads.
Origin
Piaranthus geminatus is native to South Africa (Eastern and Western Cape).
Subspecies and Varieties
Links
- Back to genus Piaranthus
- Succulentopedia: Browse succulents by Scientific Name, Common Name, Genus, Family, USDA Hardiness Zone, Origin, or cacti by Genus
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