Lobivia arachnacantha
{{Short description|Species of plant}}
{{Speciesbox
|image=Lobivia arachnacantha (Echinopsis ancistrophora ssp. arachnacantha) 2.jpg
|image_caption=Echinopsis arachnacantha subsp. arachnacantha
|genus=Lobivia
|species=arachnacantha
|synonyms={{Collapsible list|
- Echinopsis arachnacantha (Buining & F.Ritter) Friedrich
- Echinopsis ancistrophora subsp. arachnacantha (Buining & F.Ritter) Rausch
- Echinopsis ancistrophora var. kratochviliana (Backeb.) Rausch
- Echinopsis arachnacantha var. densiseta Friedrich
- Echinopsis arachnacantha var. sulphurea (R.Vásquez) G.D.Rowley
- Echinopsis arachnacantha var. torrecillasensis (Cárdenas) Friedrich
- Echinopsis arachnacantha var. vallegrandensis Rausch
- Echinopsis graciliflora Cárdenas
- Echinopsis kratochviliana Backeb.
- Echinopsis torrecillasensis Cárdenas
- Neolobivia kratochviliana (Backeb.) Y.Itô
- Pseudolobivia kratochviliana (Backeb.) Backeb.
- Pseudolobivia torrecillasensis (Cárdenas) Backeb.
}}}}
Lobivia arachnacantha is a species of cactus in the genus Lobivia, native to Bolivia.{{cite POWO |id=142459-2 |title=Lobivia arachnacantha Buining & F.Ritter |access-date=31 July 2023 }}{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132597-1 |title=Echinopsis arachnacantha (Buining & F.Ritter) Friedrich |author= |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=15 April 2021 }}
Description
Lobivia arachnacantha typically grows in clusters with flattened to spherical stems that are dark green and feature around 14 weakly notched ribs. The areoles on these stems bear 9-15 radial spines measuring 5 mm in length, which can range from pale to dark brown or yellowish-brown, sometimes accompanied by a 1.5 mm long black spine. Its flowers are approximately 5 cm wide and are supported by a slender floral tube that is about 5 cm long.{{cite web | last=Vallicelli | first=Valentino | title=Lobivia arachnacantha | website=llifle.com | date=2013-08-04 | url=http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/21187/Lobivia_arachnacantha | access-date=2023-12-19}}{{Creative Commons text attribution notice|cc=bysa3|from this source=yes}}
{{Gallery
|Lobivia arachnacantha (Echinopsis ancistrophora ssp. arachnacantha) 1.JPG|Lobivia arachnacantha typically forms clumps
|Echinopsis arachnacantha 2019-06-09 01.jpg|Lobivia arachnacantha
}}
=Subspecies=
The following varieties are accepted:
| class="wikitable " | ||
| Image | Subspecies | Distribution |
|---|---|---|
| 120px | Lobivia arachnacantha var. arachnacantha | Bolivia |
| 120px | Lobivia arachnacantha var. densiseta {{small|Rausch}} | Bolivia |
| Lobivia arachnacantha var. sulphurea {{small|R.Vásquez}} | Bolivia | |
| 120px | Lobivia arachnacantha var. torrecillasensis {{small|(Cárdenas) Buining}} | Bolivia |
Distribution
Plants are found in Bolivia, in the departments of Santa Cruz, Chuquisaca, and Cochabamba, as well as in Salta, Argentina. It grows at elevations between 1800 and 2600 meters. This species grows on stony hills in places with reliable summer rainfall.
Taxonomy
As its synonym Echinopsis arachnacantha it has gained the Royal Horticultural Society's Award of Garden Merit.{{cite web |title=Echinopsis arachnacantha |url=https://www.rhs.org.uk/Plants/31986/Echinopsis-arachnacantha/Details |date=2021 |publisher=The Royal Horticultural Society |access-date=15 April 2021 |quote=spider web-spined Easter lily cactus }}
References
{{Reflist}}
External links
- {{Commons category-inline|Lobivia arachnacantha|Lobivia arachnacantha}}
- {{Wikispecies-inline|Lobivia arachnacantha|Lobivia arachnacantha}}
{{Taxonbar|from1=Q15320296|from2=Q15314401}}