Biology:Euphorbia leuconeura

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Short description: Species of plant in the family Euphorbiaceae

Euphorbia leuconeura
E leuconeura ies.jpg
CITES Appendix II (CITES)[2]
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. leuconeura
Binomial name
Euphorbia leuconeura
Boiss.
Synonyms

Euphorbia lathyrus (lapsus)

Euphorbia leuconeura is a species of flowering plant in the family Euphorbiaceae.[3] Its common name is Madagascar jewel. It is endemic to Madagascar where its natural habitat is forest undergrowth in rocky areas. It can grow to a height of 1.8 m (6 ft), as a branching small tree, and propagates by shooting its seeds several feet into the air. It is threatened by habitat loss.[1]

Taxonomy

The specific epithet leuconeura is derived from the two ancient greek words λευκός (leukós), meaning "bright, white", and νευρά (neurá), meaning "nerve".[4][5]

Cultivation

The Madagascar Jewel is grown as a houseplant for its attractive foliage: dark green leaves, with white veins when young. Unlike many succulents, E. leuconeura is less susceptible to overwatering. It grows best in partial shade but tolerates full shade and is relatively easy to care for providing it is not exposed to cold drafts.[citation needed]

Toxicity

When damaged, the plant secretes a white fluid which is toxic and can cause severe skin irritation. This is typical of most Euphorbia species.

Close-up on the white veins
Fotos of Euphorbia leuconeura flowering stalk before (top) and after (middle) seed disperal. The capsule fruit have a pinkish tint and open with tension propelling the seed wide through the air. Seed (bottom) has the size of a pinhead is round with a slightly pointed tip and a rough dark brown shell that is easily squished so careful handling is necessary.
Euphorbia leuconeura flowering stalk before (top) and after seed disperal. Seed compared in size to a pinhead (bottom).

References

  1. ↑ 1.0 1.1 Haevermans, T. (2004). "Euphorbia leuconeura". IUCN Red List of Threatened Species 2004: e.T44372A10896588. doi:10.2305/IUCN.UK.2004.RLTS.T44372A10896588.en. https://www.iucnredlist.org/species/44372/10896588. Retrieved 15 November 2021. 
  2. ↑ "Appendices | CITES". https://cites.org/eng/app/appendices.php. 
  3. ↑ "Euphorbia leuconeura Boiss.". The Trustees of the Royal Botanic Gardens, Kew. n.d.. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:347109-1. 
  4. ↑ Bailly, Anatole (1981-01-01). Abrégé du dictionnaire grec français. Paris: Hachette. ISBN 978-2010035289. OCLC 461974285. 
  5. ↑ Bailly, Anatole. "Greek-french dictionary online". http://www.tabularium.be/bailly/. 

Wikidata ☰ Q134993 entry




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