Euphorbia lactea 'Cristata'
Common Name: coral cactus, crested elkhorn, crested candelabra plant
Origin: Euphorbia lactea ‘Cristata’ is native to Africa and India (2,4,7).
Description: Euphorbia lactea ‘Cristata’ is a succulent sport of Euphorbia lactea with a cristate, fan-like head (1,2,3,4,5,6,7). This plant has a branching growing habit, with its stems being a continuous procession of fan-shaped crests (9). Each crest can grow up to 3ft high and 2ft wide, and each is ridged with undulating green-white streaking, bearing resemblance to brain coral (1,3,4). This plant has a green and whitish-grey coloration, sometimes with pink shading on its edges when sun-stressed (2,3,4,7). This plant has pairs of thick straight spines, usually found along its ridges (9). This plant develops small inconspicuous flowers, with a pink or purple coloration (1,2).
Cultivation and Care:
1) Euphorbia lactea 'Cristata'/RHS Gardening
2. Euphorbia lactea ‘Cristata' | Succulents and Sunshine
3. Euphorbia Lactea 'Cristata' (Guide With Pictures)- Succulents Network
4. Euphorbia lactea 'Cristata' (Crested Elkhorn) - World of Succulents
5. Coral Cactus - Eurphorbia Lactea Crest (houseplantsexpert.com)
6. How to Care for Coral Cactus: Grafted Euphorbia lactea crest (scienceprofonline.com)
7. Euphorbia Lactea Cristata Full Guide - Care, Fertilization, Diseases & More ... | Succulent City
8. Euphorbia Lactea Cristata, easy care so called coral cactus (plantcircle.co)
9. NParks | Euphorbia lactea 'Cristata Variegata'