Editing Capparis decidua

{| class="wikitable" style="float: right; width: 320px; margin-left: 1.25em; margin-bottom: 1em;"
! colspan="2" style="background: #e8e8e8;" | Karir (''Capparis decidua'')
|-
| colspan="2" style="text-align: center;" | [[File:Capparis decidua 01.jpg|280px|Capparis decidua (karir) in Jaisalmer, Rajasthan]]
|-
! Scientific name
| ''Capparis decidua''
|-
! Family
| [[Capparaceae]]
|-
! Order
| [[Brassicales]]
|-
! Genus
| [[Capparis]]
|-
! Native range
| Mauritania to the Andaman and Nicobar Islands
|-
! Habit
| Arid-zone shrub or small tree
|-
! Typical height
| 4–5 m
|-
! Habitat
| Desert regions and wadis, about 300–1,200 m
|-
! Fruit
| Ripe or unripe; unripe fruit cooked or pickled
|}

''Capparis decidua'' is a strongly dry-climate shrub or small tree in the caper family, [[Capparaceae]]. GBIF returns the binomial as an exact accepted species match, and places it in the genus ''Capparis'' and order Brassicales.<sup id="cite_ref-1">[[#cite_note-1|[1]]]</sup> Plants of the World Online records the accepted name and a native range extending from Mauritania to the Andaman and Nicobar Islands.<sup id="cite_ref-2">[[#cite_note-2|[2]]]</sup> Karir and karira are common names.

[[File:Capparis decidua. AJT Johnsingh. P1000754.jpg|250px|left|Capparis decidua plant]]
== Description ==

The species is described as an arid-zone shrub or small tree about 4–5 m tall, occurring in desert regions and wadis at roughly 300–1,200 m.<sup id="cite_ref-3">[[#cite_note-3|[3]]]</sup> Its reported setting is an open, hot landscape with seasonal dryness rather than a cool, persistently wet one. A review also describes the species as associated with arid and semi-arid regions and as tolerant of temperature, salt and drought stress, while noting its wider multipurpose use.<sup id="cite_ref-4">[[#cite_note-4|[4]]]</sup>

== Cultivation ==

=== Soil and water ===

A species account places ''C. decidua'' in sunny alkaline sandy or gravelly soils and describes prolonged-drought tolerance.<sup>[[#cite_note-3|[3]]]</sup> That habitat pattern supports a sharply draining mineral soil and a site where water does not remain saturated after rain. A universal pH target or irrigation schedule is not established; adapt watering to drainage, season and plant response rather than copying a fixed calendar.

=== Sun and humidity ===

The species account places the plant in full sun and hot arid settings.<sup>[[#cite_note-3|[3]]]</sup> An open, sunny position matches that reported habitat. The broad drought- and temperature-tolerance description supports choosing heat and sun over shade, but it does not define a safe cold limit; frost-prone growers should treat cold response as unestablished for their own site rather than apply a published species threshold.<sup>[[#cite_note-4|[4]]]</sup>

=== Seasonal changes ===

Flowering is associated with the beginning of the dry season in the compiled horticultural account.<sup>[[#cite_note-3|[3]]]</sup> In climates with a marked wet–dry cycle, expect flowering and subsequent fruit development to follow the local seasonal transition. The dry-season flowering rhythm does not by itself specify an irrigation change. The 2022 micropropagation paper's abstract reports young-fruit harvest periods of March–April and July–August in its cited context; those months are regional observations, not a calendar for every climate.<sup id="cite_ref-6">[[#cite_note-6|[6]]]</sup>

== Propagation ==

Seed and cuttings are both reported propagation routes for ''C. decidua''.<sup>[[#cite_note-3|[3]]]</sup> A seed-propagation trial in Sirik, Hormozgan Province, used ripe and unripe fruit collected in June 2001 and compared seed pretreatments, pot heights and eleven soil mixtures. In that nursery experiment, 12-hour water soaking gave the highest reported alive-seedling percentage among the listed pretreatments, 59.4%; 20 and 25 cm pots gave the highest pot-size results, 45.6% and 53.2%, and soil mixtures 9 and 1 gave 55.8% and 51.3%. These are results from that trial, not a universal home-garden recipe.<sup id="cite_ref-5">[[#cite_note-5|[5]]]</sup>

The public record for the Hormozgan work summarizes a 101-page Persian study but does not expose complete statistical tables or a generally transferable schedule. Treat the water-soaking result as a useful starting comparison, not a guarantee of germination or seedling survival. The same record reports 93.25% full seeds in ripe fruit and lower laboratory germination after sodium hypochlorite treatment; those figures remain specific to the reported material and methods.<sup>[[#cite_note-5|[5]]]</sup>

Specialized tissue culture has also been tested. A 2022 original study used mature nodal explants and reported shoot multiplication, ex-vitro rooting and more than 93% field survival under its stated laboratory and acclimatization protocol. Its abstract reports a 5-minute pulse of 500 mg L−1 IBA for the highest ex-vitro rooting result, but this is micropropagation evidence, not ordinary cutting guidance for a home grower.<sup>[[#cite_note-6|[6]]]</sup>

== Flowering, fruiting, and harvest ==

Flowering is placed at the start of the dry season in the species account.<sup>[[#cite_note-3|[3]]]</sup> Young fruits are reported as harvestable twice yearly in March–April and July–August in the context of the 2022 study, although the abstract does not make that schedule universal across climates or provenances.<sup>[[#cite_note-6|[6]]]</sup> Harvest timing should therefore follow local flowering and fruit development rather than a fixed calendar.

== Fruit and uses ==

Both ripe and unripe fruits are reported as used for food. Unripe fruits are cooked or pickled, while ripe fruit is also reported as eaten.<sup>[[#cite_note-3|[3]]]</sup> The species review likewise discusses use as pickle and vegetables in arid and semi-arid regions.<sup>[[#cite_note-4|[4]]]</sup> These are food-use records, not a modern food-safety or toxicity assessment; they should not be read as safety clearance for unfamiliar material.

== Photos ==
[[File:Capparis decidua 03.jpg|280px|Capparis decidua fruit in Jaisalmer, Rajasthan]]

== References ==

* <span id="cite_note-1"></span>[[#cite_ref-1|↑]] '''[1]''' [https://api.gbif.org/v1/species/match?name=Capparis%20decidua GBIF species match: Capparis decidua].

* <span id="cite_note-2"></span>[[#cite_ref-2|↑]] '''[2]''' [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:146394-1 Plants of the World Online: Capparis decidua].

* <span id="cite_note-3"></span>[[#cite_ref-3|↑]] '''[3]''' [https://tropical.theferns.info/viewtropical.php?id=Capparis+decidua Capparis decidua - Useful Tropical Plants Database].

* <span id="cite_note-4"></span>[[#cite_ref-4|↑]] '''[4]''' [https://link.springer.com/article/10.1007/s10722-012-9934-3 Mahla HR, Rathore VS, Singh D, Singh JP. Capparis decidua: an underutilized multipurpose shrub of hot arid region—distribution, diversity and utilization. Genetic Resources and Crop Evolution 60:385–394. DOI: 10.1007/s10722-012-9934-3].

* <span id="cite_note-5"></span>[[#cite_ref-5|↑]] '''[5]''' [https://agris.fao.org/search/en/providers/122649/records/647356bf53aa8c89630687a5 Dami Zadeh GR, Jahedi A. Seed Propagation of Ker (Capparis decidua) in Hormozgan Province. Hormozgan Agricultural and Natural Resources Research Center, 2002].

* <span id="cite_note-6"></span>[[#cite_ref-6|↑]] '''[6]''' [https://link.springer.com/article/10.1007/s11240-022-02234-3 Ram K, Patel AK, Choudhary SK, Shekhawat NS. Synergetic effects of TDZ with various phytohormones on high-frequency plant regeneration from mature nodal explants of Capparis decidua and their ex vivo implications. Plant Cell, Tissue and Organ Culture 149:621–633. DOI: 10.1007/s11240-022-02234-3].

== Image credits ==

* ''Capparis decidua 01.jpg'': Forestowlet, CC0 / public-domain dedication. [https://commons.wikimedia.org/wiki/File:Capparis_decidua_01.jpg Individual file page].

* ''Capparis decidua 03.jpg'': Forestowlet, CC0 / public-domain dedication. [https://commons.wikimedia.org/wiki/File:Capparis_decidua_03.jpg Individual file page].

* ''Capparis decidua. AJT Johnsingh. P1000754.jpg'': Ajtjohnsingh, CC BY-SA 4.0. [https://commons.wikimedia.org/wiki/File:Capparis_decidua._AJT_Johnsingh._P1000754.jpg Individual file page].

[[Category:Capparis]]
[[Category:Fruit]]