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FOC | Family List | FOC Vol. 11 | Rutaceae | Zanthoxylum

33. Zanthoxylum bungeanum Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 16: 212. 1871.

花椒 hua jiao

Trees 3-7 m tall, deciduous. Stems and branchlets with prickles; stem prickles with a flat base. Young branchlets pubescent. Leaves 5-13-foliolate; rachis marginate; leaflet blades sessile, opposite, ovate, elliptic, or rarely lanceolate, sometimes suborbicular near leaf rachis base, 2-7 × 1-4.5 cm, both surfaces pubescent or abaxial surface flocculent along midvein, midvein adaxially impressed, margin crenate. Inflorescences axillary but terminal on lateral branchlets; rachis and pedicel pubescent or glabrous. Perianth in 2 irregular series or 1 series, with 6-8 yellowish green ± undifferentiated tepals. Male flowers: stamens 5-8; rudimentary gynoecium 2-lobed. Female flowers 2-5-carpelled. Fruit follicles purplish red, 4-5 mm in diam., pustulose glandular, apex shortly beaked or beak lacking. Seeds 3.5-4.5 mm. Fl. Apr-May, fr. Aug-Oct.

Found in many habitats; below 3200 m. Anhui, Fujian, Gansu, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, SE Xinjiang, S and SE Xizang, Yunnan, Zhejiang [Bhutan].

The dried fruit follicles of Zanthoxylum bungeanum are used as a culinary spice and are particularly popular in Sichuan cuisine (Sichuan pepper). In Japan, Z. piperitum (Linnaeus) Candolle is sometimes similarly used.

1 Leaflet blades pubescent on both surfaces or sometimes adaxial surface glabrous.   33c var. pubescens
+ Leaflet blades flocculent along midvein abaxially, otherwise glabrous   (2)
2 (1) Leaflet blades with oil glands only at margin.   33a var. bungeanum
+ Leaflet blades with scattered oil glands.   33b var. punctatum

Lower Taxa


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Photos by The Biodiversity of the Hengduan Mountains Project  
  • Image/JPEG (Susan Kelley)
  • Image/JPEG
  • Image/JPEG (Susan L. Kelley)
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  • Image/JPEG (Susan Kelley)
  • Image/JPEG

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