Ceropegia armandii Rauh
Ceropegia armandii is a succulent perennial with slender stems that climb into shrubs and trees or spread on the ground. It has fibrous roots that develop where the stems touch the ground. The stems are grey, flecked with bronze, lizard-like, 4-sided and with opposite, conical tubercles, each tipped with an early-falling, scale-like leaf. The flowers have a short corolla tube with a narrow neck and 5 linear lobes forming an ovoid cage up to 0.5 inches (1.2 cm) tall, pallid green with darker vertical veining. The lobes are purple at the base. The fruit is a twin follicle up to 6 inches (15 cm) long.
USDA hardiness zones 11a to 11b: from 40 °F (+4.4 °C) to 50 °F (+10 °C).
How to Grow and Care
A gritty compost is suitable, and clay pots help with drainage, especially for the species with white thickened roots which are the most susceptible to rotting and for species forming large tubers. Ceropegias appreciate water and a little fertilizer during warm weather, although some care with watering is required for the more difficult species. The vine-like species can suffer from prolonged drought.
Typically, many of these species grow and climb naturally among bushes which provide shade and humidity to the base, while the vegetative growth is in the light. Where tubers occur, they are best planted on the surface of the compost and the vegetative growth allowed to twine around supports or to trail down from a hanging pot. The latter mode of growth has the advantage of not using valuable bench space. Small tubers formed at joints in the thin stems of some species can be used for propagation. If the tuber rots or dries out, don't panic. As long as some of the top growth is still in reasonable condition, it may be possible to save the plant by re-rooting stems in damp gravel… – See more at: How to Grow and Care for Ceropegia
Ceropegia armandii is native to Madagascar.
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