{{Short description|Species of plant}} {{Speciesbox | image = | genus = Zanthoxylum | species = multijugum | authority = Franch. }}
'''''Zanthoxylum multijugum''''' ({{Lang-zh|c=多叶花椒}}) is a woody climber from the family Rutaceae.<ref name="eFloras">{{cite web | title=Zanthoxylum multijugum in Flora of China @ efloras.org | website=eFloras.org Home | url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242355581 | access-date=2021-11-21}}</ref><ref name="Tropicos">{{cite web | title=Tropicos | website=Tropicos | url=https://www.tropicos.org/name/50049994 | language=lb | access-date=2021-11-21}}</ref><ref name="Encyclopedia of Life">{{cite web | title=Zanthoxylum multijugum Franch. - Encyclopedia of Life | website=Encyclopedia of Life | url=https://eol.org/pages/2874933 | language=la | access-date=2021-11-21}}</ref><ref name="Plants of the World Online">{{cite web | title=Zanthoxylum multijugum Franch. - Kew Science | website=Plants of the World Online | url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:775874-1 | access-date=2021-11-21}}</ref>
==Description== As a species of woody climbers, ''Zanthoxylum multijugum'' has been found in "open forests" and "hillside thickets".<ref name="eFloras" /> It has a native range that includes North and Central Yunnan as well as Guizhou within China.<ref name="eFloras" /> It has been found from {{convert|1500|m|ft|0|abbr=off}} to {{convert|2200|m|ft|0|abbr=off}} meters above sea level.<ref name="eFloras" />
Its leaves have been observed with 19-51 leaflets and minimal or no stalks.<ref name="eFloras" /> The leaves vary in shape (lanceolate, elliptic, or ovate), tend to be asymmetrical, have spots, and have been seen with blunt, rounded, or mucronate apexes.<ref name="eFloras" /> Its young branchlets have been found to be pale reddish brown in color.<ref name="eFloras" /> Prickles have been found on stems, branches, and leaf rachises.<ref name="eFloras" /> Flower petals have been found to be a pale yellowish green color, are oblong in shape and are about {{convert|2|mm|in|abbr=off}} in size.<ref name="eFloras" /> Their flowering period is from May to June, while their fruiting period lasts from October to November.<ref name="eFloras" /> Male flowers have four stamens and broadly ovate anthers while female flowers have pedicels that are two to five millimeters in size with fruits about one centimeter in size.<ref name="eFloras" /> Fruit follicles have been observed as brownish red in color, about five millimeters in diameter, and with their apex beaked.<ref name="eFloras" /> Their seeds have been found to be from 4 to 4.5 millimeters in diameter.<ref name="eFloras" /> <!---- Notes from Flora from China for expansion or correction: Leaves 19-51-foliolate; leaflet blades subsessile, subopposite to alternate, lanceolate, elliptic, or ovate, asymmetric, 1.5-5 × 0.5-2 cm, oil glands numerous and pellucid, midvein puberulent when young and adaxially slightly ridged to plane, margin crenate, apex blunt, rounded, or mucronate with a blunt tip. Inflorescences axillary. Flowers 4(or 5)-merous. Perianth in 2 series. Sepals ovate, to 1 mm, apex blunt to rounded. Flower petals have been found pale yellowish green, oblong, ca. 2 mm. Male flowers: stamens 4; anthers broadly ovate; connective with an oil gland at apex; rudimentary gynoecium long conic. Female flowers: pedicel 2-5 mm, to 1 cm in fruit. Fruit follicles brownish red, ca. 5 mm in diam., apex beaked. 1500-2200 m. Guizhou, C and N Yunnan. --->
==Classification== In 1889, it was published as a species in ''Plantae Delavayanae'' as part of a specimen collection by Père Jean Marie Delavay and taxonomy work of Adrien René Franchet.<ref name="The Plant List 2012">{{cite web | title=Zanthoxylum multijugum Franch. | website=The Plant List | date=2012-04-18 | url=http://www.theplantlist.org/tpl1.1/record/tro-50049994 | access-date=2021-11-21}}</ref><ref name="Tropicos"/> It was accepted as a plant species in 2008's ''Flora of China'' where it was identified to appear in Yunnan and Guizhou.<ref name="Plants of the World Online" /> There have been three identified synonyms of the species, including ''Fagara mengtzeana'', ''Fagara multijuga'', and ''Zanthoxylum multifoliolatum''. There are no common names associated with this species.<ref name="Encyclopedia of Life" />
Seven specimens of the species are kept at the ''Royal Botanic Gardens, Kew'', includes multiple pieces provided by Augustine Henry.<ref name="Plants of the World Online" />
''Multijigum'' derives from ''multijugus'' which means "many joined together".<ref name="Plants of the World Online" />
==References== {{Reflist}}
{{Taxonbar|from=Q10932507}}
multijugum
{{Rutaceae-stub}}