Harrisia adscendens
{{Short description|Species of cactus}}
{{Speciesbox
| image =
| image_caption =
|status = LC
|status_system = IUCN3.1
| genus = Harrisia (plant)
| species =adscendens
| authority = (Gürke) Britton & Rose
| synonyms =
- Cereus adscendens {{au|Gürke 1908}}
- Eriocereus adscendens {{au|(Gürke) A.Berger 1929}}
- Cereus platygonus {{au|Salm-Dyck 1850}}
- Eriocereus platygonus {{au|(Salm-Dyck) Riccob. 1909}}
- Harrisia platygona {{au|(Salm-Dyck) Britton & Rose 1920}}
}}
Description
Harrisia adscendens grows as a shrub with rich, sparsely branched, initially upright, later overhanging or spreading shoots and forms a striking trunk. The shoots have a diameter of 2 to 5 centimeters and are 5 to 8 meters long. There are seven to ten low, rounded ribs that form elongated tubercles. The four to ten strong, yellowish to grayish thorns, thickened at their base, have a darker tip and are 1 to 3 centimeters long.
The flowers reach a length of 15 to 18 centimeters. Its pericarpel and flower tube are covered with scales and long hairs. The spherical, tearing, red fruits are slightly tuberous. They have a diameter of 5 to 6 centimeters.{{cite book | last=Anderson | first=Edward F. | last2=Eggli | first2=Urs | title=Das grosse Kakteen-Lexikon | publisher=Ulmer | publication-place=Stuttgart (Hohenheim) | date=2005 | isbn=3-8001-4573-1 | language=de | pages= 337–338}}
Distribution
Harrisia adscendens is widespread in northeastern Brazil from the state of Bahia to the south of Ceará and Paraíba at altitudes of 50 to 700 meters.{{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}}
Taxonomy
The first description as Cereus adscendens was made in 1908 by Max Gürke.{{cite web | title=Monatsschrift für Kakteenkunde | publisher=J. Neumann | volume=Bd.18-19 (1908-1909) | date=1908 | url=https://www.biodiversitylibrary.org/page/35674535 | access-date=2023-11-27}} The specific epithet adscendens comes from Latin, means 'ascending' and refers to the growth habit of the species.{{cite book | last=Britton | first=Nathaniel Lord | last2=Eaton | first2=Mary E. | last3=Rose | first3=J. N. | last4=Wood | first4=Helen Adelaide | title=The Cactaceae : descriptions and illustrations of plants of the cactus family | publisher=Carnegie Institution of Washington | publication-place=Washington | year=1919 | doi=10.5962/bhl.title.46288 | page=}} Nathaniel Lord Britton and Joseph Nelson Rose placed the species in the genus Harrisia in 1920. Another nomenclature synonym is Eriocereus adscendens (Gürke) A.Berger (1929).
References
{{Reflist}}
External links
- {{Commons category-inline|Harrisia adscendens|Harrisia adscendens}}
- {{Wikispecies-inline|Harrisia adscendens|Harrisia adscendens}}
{{Taxonbar|from=Q1586216}}