Euphorbia aeruginosa Schweick.
|Kingdom||Plantae||Plants, but not fungi, lichens, or algae|
|Subkingdom||Tracheobionta||Vascular plants—plants with a “circulatory system” for delivering water and nutrients|
|Division||Magnoliophyta||Flowering plants, also known as angiosperms|
|Class||Magnoliopsida||Dicotyledons—plants with two initial seed leaves|
|Subclass||Rosidae||Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more|
|Order||Malpighiales||A broad group encompassing 16,000 species|
|Family||Euphorbiaceae||Euphorbia or spurge family|
|Genus||Euphorbia||An extremely diverse-looking genus of mostly tropical and subtropical succulent plants. For Euphorbus, corpulent Greek physician of Juba II, King of Mauretania. Literally, “euphorbia” means “well-fed”|
|Species||aeruginosa||From Latin aerūgō, “[blue green] rust of copper, verdigris,” and -ōsus.|
About plant names...
This euphorbia is a South African native, not found in the wild in North America.
Identification: Plants are up to 12" (30 cm) in height,
with blue-green stems that are roughly square in cross-section and about ⅜" (1 cm) on a
side. Spine groups appear along the edges of the stems; spines are dark orange-brown and
about ⅜" (1 cm) in length. Flowers are small bright yellow cyathia, appearing
near the stem tips.
Cal Lamke's Cal's Plant of the Week, at the University of Oklahoma's Department of Botany and Microbiology
of Connecticut Ecology and Evolutionary Biology Plant Growth Facilities
Euphorbia aeruginosa description by Thomas H. Kent, last updated 25 May 2020.
© FloraFinder.org. All rights reserved.
4/6/2011 · Howard Peters Rawlings Conservatory & Botanic Gardens, Druid Hill Park, Baltimore, Maryland
≈ 12 × 14" (29 × 34 cm)
Range: Zones 10-11:
About this map...