Harrisia regelii

{{Short description|Species of cactus}}

{{Speciesbox

| image =Harrisia regelii.jpg

| image_caption =

| genus = Harrisia (plant)

| species = regelii

| authority = (Weing.) Borg

| synonyms =

  • Cereus regelii {{au|Weing. (1910}}
  • Eriocereus martini var. regelii {{au| (Weing.) W.T.Marshall 1941}}
  • Eriocereus regelii {{au| (Weing.) Backeb. 1936}}
  • Harrisia pomanensis subsp. regelii {{au| (Weing.) R.Kiesling 1996}}

}}

Harrisia regelii is a species of cactus endemic to Argentina and Uruguay.

Description

Harrisia regelii grows bushy, scrambling, upright, sometimes arched or prostrate, with green stems that have 4-5 tuberculate ribs. Plants have 1–4 spines, needle-like, initially reddish to almost white thorns later turn gray with a black tip. The individual central spine is 1 to 2 centimeters long.

The flowers reach a length of up to 9–22 centimeters with reddish hairs on the buds, spineless and pale green sepals. The spherical, slightly bumpy red fruits have a few scales.{{cite web | last=Franck| first=Alan R.| title=MONOGRAPH OF HARRISIA | url=http://www.phytoneuron.net/2016Phytoneuron/85PhytoN-HarrisiaPt1.pdf | publisher=Phytoneuron| date=2016| access-date=2023-11-25}}

Distribution

Plants are found growing from Argentina (Santa Fé, Entre Ríos) to Uruguay.{{cite web | title=Harrisia regelii (Weing.) Borg | website=Plants of the World Online | url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:118005-2 | access-date=2023-11-25}}

References

{{Reflist}}