General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Leaves: Deciduous
Fruit: Pops open explosively when ripe
Flowers: Other: In the genus Euphorbia, the flowers are reduced in size and aggregated into a cluster of flowers called a cyathium (plural cyathia). This feature is present in every species of the genus Euphorbia but nowhere else in the plant kingdom.
Flower Color: Pink
Yellow
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Suitable Locations: Xeriscapic
Dynamic Accumulator: B (Boron)
Toxicity: Other: All members of the genus Euphorbia produce a milky sap called latex that is toxic and can range from a mild irritant to very poisonous.
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth
Conservation status: Vulnerable (VU)

Conservation status:
Conservation status: Vulnerable
Image
Common names
  • Euphorbia

Photo Gallery
Location: Baja California
Date: 2021-09-04
Bracts on right cyathium affected by fungal pathogen
Location: Baja California
Date: 2/24/21
New stem is reddish
Location: Baja California
Date: 2021-02-24
Dinky cyathia
Location: Atlanta BG
Date: Aug 16
Location: Baja California
Date: 2020-08-21
Location: Baja California
Date: 2021-02-24
Comments:
  • Posted by Baja_Costero (Baja California - Zone 11b) on Jul 17, 2020 9:26 PM concerning plant:
    Yellow or pinkish flowering crown of thorns relative from Madagascar. Described in 1955. The leaves are dark green and glossy, topping spiny succulent stems.

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