Scientific Name:
Euphorbia mammillaris
Pronunciation:
you-FOR-bee-uh mah-mill-LAIR-iss
Common Name:
corncob plant
Family Name:
Euphorbiaceae
Plant Type:
Indoor foliage plant
Key ID Features:
Stems succulent, most up to 30 cm tall with 7-17 knobby ribs; leaves 3-7mm long x 2-4mm wide (when present), spines 1-2cm long.
Habit:
Upright
Form:
Columnar
Texture:
Medium - coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.1 - 0.3m
Origin:
Africa - southern
Hardiness Rating:
Zone 9: (-7 to -1 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Low
Landscape Uses:
Indoor plant
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Spiraled
Texture/Venation:
Prickly
Surfaces:
Glabrous
Colour in Summer:
Silver / Grayish
Colour in Fall:
Silver / Grayish
Shapes:
Acicular
Apices:
Aristate
Bases:
Truncate
Margins:
Entire
Additional Info:
Leaves reduced to spines.
Inflorescence Type:
Cyathium
Flower Morphology:
Monoecious plant
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Showy, Yellow, Pink
Flower Time at Peak:
Fruit Type:
Schizocarp
Fruit Colour:
Green, Brown
Fruiting Time:
Additional Info:
Mericarps (3) split open to release a single seed
Bark or Stem Colour:
Green
Organ Modifications:
Leaf-like bracts, Spines, Succulent stems, Variegated cvs. w. light-green zones on stems.
Propagation:
Division - above ground parts, Stem/cane cuttings
Optimal Temp.:
High
Light Level:
High
Maintenance:
Medium
Pest Susceptibility:
Mealybugs, Mildew, Mites, Root rot, Scale insects (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
