Zanthoxylum multijugum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Zanthoxylum
Species:
Z. multijugum
Binomial name
Zanthoxylum multijugum
Franch.

Zanthoxylum multijugum (Chinese: 多叶花椒) is a woody climber from the family Rutaceae. [1][2][3][4]

Description

As a species of woody climbers, Zanthoxylum multijugum has been found in "open forests" and "hillside thickets".[1] It has a native range that includes North and Central Yunnan as well as Guizhou within China.[1] It has been found from 1,500 metres (4,921 feet) to 2,200 metres (7,218 feet) meters above sea level.[1]

Its leaves have been observed with 19-51 leaflets and minimal or no stalks.[1] 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. [1] Its young branchlets have been found to be pale reddish brown in color.[1] Prickles have been found on stems, branches, and leaf rachises.[1] Flower petals have been found to be a pale yellowish green color, are oblong in shape and are about 2 millimetres (0.079 inches) in size.[1] Their flowering period is from May to June, while their fruiting period lasts from October to November.[1] 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.[1] Fruit follicles have been observed as brownish red in color, about five millimeters in diameter, and with their apex beaked.[1] Their seeds have been found to be from 4 to 4.5 millimeters in diameter.[1]

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.[5][2] It was accepted as a plant species in 2008's Flora of China where it was identified to appear in Yunnan and Guizhou.[4] 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.[3]

Seven specimens of the species are kept at the Royal Botanic Gardens, Kew, includes multiple pieces provided by Augustine Henry.[4]

Multijigum derives from multijugus which means "many joined together".[4].

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 "Zanthoxylum multijugum in Flora of China @ efloras.org". eFloras.org Home. Retrieved 2021-11-21.
  2. 1 2 "Tropicos". Tropicos (in Luxembourgish). Retrieved 2021-11-21.
  3. 1 2 "Zanthoxylum multijugum Franch. - Encyclopedia of Life". Encyclopedia of Life (in Latin). Retrieved 2021-11-21.
  4. 1 2 3 4 "Zanthoxylum multijugum Franch. - Kew Science". Plants of the World Online. Retrieved 2021-11-21.
  5. ↑ "Zanthoxylum multijugum Franch". The Plant List. 2012-04-18. Retrieved 2021-11-21.


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