Believed to be extinct in the wild, both the species and the variegated form are rare in cultivation, but occasionally are cultivated. Indoor, low water.
Cactus and Succulents
Euphorbia meloformis
Distinctive graphic banding. Inflorescence consists of individual bracts on peduncles, which remain, dried, forming almost spines on the stems. Will eventually grow 8 to 10″ tall, and can branch.
Euphorbia meloformis f. falsa variegata
Euphorbia milii
Shrubby, height varies; large green leaves, thorny branches
Euphorbia milii “Amarillo”
Semi-dwarf shrub to 2′; densely covered with pale yellow flowers
Euphorbia milii “Dwarf Apache Red”
Dwarf shrub to 12″, very branchy, red flowers
Euphorbia milii “Dwarf Yellow”
Dwarf shrub to 12″, very branchy, yellow flowers
Euphorbia milii “Fireworks”
Dwarf shrub to 18″, upright branches. Stunning saturated red flowers sit atop variegated leaves and red spines.
Euphorbia milii “Red Speckles”
Medium-shrub, bright pink flowers with red speckles
Euphorbia milii “Salmon Dome”
Semi-dwarf shrub to 2′; densely covered with salmon-pink flowers
Euphorbia milii “Variegata”
Dwarf shrub to 18″, upright branches. Stunning saturated red flowers sit atop variegated leaves and red spines.
Euphorbia milii “Primrose”
Euphorbia millotii
Deciduous shrub to 12″, branchy
Euphorbia mitriformis
Clustering branches to 3 feet eventually; paired spines
Euphorbia moratii
Geophytic plants, endangered in habitat. Dwarf caudiciform base. Flowers in spring before new leaves appear at the growing tip in summer. Triangular cyathia.
Euphorbia neohumbertii
2 to 3ft. tall with large green leaves, prominent leaf scars.
Euphorbia nivulia
Tubular spiny green stems with thick green leaves at the tips in growing season. Used in traditional Ayurvedic and Siddha medicine. Can grow into a full size 30ft tall tree.
Euphorbia nyassae
Subshrub, 18-30″ tall. Small spiny square stems. Small gray-green leaves, yellow flowers.
Euphorbia obesa
Small round striped plants. Will grow eventually to 12″ tall. Keep very dry, especially in winter.
Euphorbia ornithopus
Gets it’s name from the shape of the flowers, which some may categorize as looking like a bird’s foot. Low growing, spineless, and it forms a caudex. Leafless stems in all directions, often laying down at the ground.
Euphorbia pachypodioides
Spiny Euphorbia, smaller spines densely grouped. Short stems slow growing to 20″. Blue-green leaves with purplish undersides. Inflorescence on erect stems with red cyathia. Slow growing. Endangered in habitat where it grows in rocky areas.
Euphorbia pauliana
Twisting stems with leaf scars, light airy blooms
Hardiness unknown, Keep dry in winter
Euphorbia pedilanthoides
Euphorbia petricola fa. cristata
Crested variety with close-set spines and square green stems. Generally can grow to 12″.
Euphorbia platyclada
Endemic to Madagscar’s endangered subtropical dry forests. Vertical leafless stems will lay flat as they grow.
Euphorbia polygona
6″ diameter stems can grow 1 to 2 ft. tall. Forms clumps from the base.
Euphorbia pseudocactus
Tall and cactus-like shrub with a wide spreading candelabra shape. Forms branches and will have tiny leaflets on the newer growth.
Euphorbia pseudoglobosa
Euphorbia pubiglans
Small, to 12″h., branchy; long slender leaves and bloom stalks
Euphorbia pulvinata
Mound of small green stems to 10″t. with bright green leaves