General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Plant Height: 10 inches
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: Other: Green to yellow cyathia with green, yellow, orange, or red glands
Bloom Size: Under 1"
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Suitable for miniature gardens
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.
Propagation: Other methods: Cuttings: Stem
Containers: Needs excellent drainage in pots
Miscellaneous: With thorns/spines/prickles/teeth
Goes Dormant

Image
Common names
  • Euphorbia

Photo Gallery
Location: Baja California
Date: 2021-02-10
Location: Baja California
Date: 2021-02-10
Stigmas
Location: Baja California
Date: 2020-09-06
Location: Baja California
Date: 2016-08-10
Location: Baja California
Date: 2020-09-27
Before and after anthesis
Location: Baja California
Date: 2021-02-10
Stamens
Location: Baja California
Date: 2018-06-18
Tiny bisexual cyathia with profuse nectar
Location: Baja California
Date: 2020-05-24
Location: Baja California
Date: 2020-09-27
Pollinated cyathia
Location: Baja California
Date: 2019-03-10
Leafless in late winter.  First to emerge are the cyathia.
Location: Tampa, FL
Date: 2016-01-13
At USF Botanical Gardens
Location: Baja California
Date: 2017-12-03
Location: Baja California
Date: 2021-08-21
Nectar and pollen available to small flying insects
Location: Baja California
Date: 2020-06-22
Stem is fluorescent under black light
Location: Baja California
Date: 2018-10-04
Volunteer seedling after separation
Location: Baja California
Date: 2014-04-18
Location: Tampa, FL
Date: 2016-01-13
At USF Botanical Gardens
Comments:
  • Posted by Baja_Costero (Baja California - Zone 11b) on Jun 15, 2017 10:43 AM concerning plant:
    Small, slow-growing, spiny succulent from SW Madagascar (to 10 inches or so) with branching stems and narrow leaves which usually fall during winter. Like a miniature crown of thorns with skinny leaves. Cyathia are distinctive, with 2-fold symmetry, featuring yellow/orange/red nectar glands between green/yellow cyathophylls. May be grown from cuttings, but best form only from seed, which is not particularly difficult. Not self compatible. Reduce watering frequency during winter rest period, but plants enjoy water year round in mild climates. Cyathia are an excellent and challenging subject for macro photography.

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