สกุลมะแข่น

สกุลมะแข่น หรือ Zanthoxylum  (รวมสกุล Fagara) เป็นสกุลที่มีสมาชิก 250 สปีชีส์ของพืชไม่ผลัดใบในวงศ์ Rutaceae พืชหลายชนิดมีแก่น ผลของพืชในสกุลนี้หลายชนิดเป็นเครื่องเทศเช่น พริกหอม และใช้ปลูกเป็นบอนไซ เปลือกไม้เคยเป็นยาแก้ปวดฟันและรูมาติซึม

ตัวอย่างสปีชีส์
Zanthoxylum acanthopodium DC. - Andaliman;  (ci hua jiao)
Zanthoxylum ailanthoides Sieb. & Zucc. -  (chun ye hua jiao), 越椒 (yue-jiao), 食茱萸 (shi zhu yu); karasu-zanshō.
(syn. Fagara ailanthoides (Sieb. & Zucc.) Engler)
Zanthoxylum alatum Roxb. - Winged prickly ash.
(cf. syn under Z.armatum)
Zanthoxylum albuquerquei D.R.Simpson (Peru)
Zanthoxylum americanum Mill. - Toothache Tree, Northern prickly ash (Eastern and Central United States)
Zanthoxylum armatum DC. - Bamboo-leaf prickly ash;  (zhu ye hua jiao), 竹葉(花)椒(zhu-ye-(hua)-jiao, "bamboo-leaved Z."), 狗椒 (gou-jia  "dog Z."),
(syn. Z. planispinum Sieb. & Zucc.; Z. alatum sensu Forbes & Hemsley, Rehder  & Wilson, non Roxburgh; Z. alatum var. planispinum Rehder & Wilson)
Zanthoxylum atchoum (Aké Assi) Waterman (Côte d'Ivoire)
Zanthoxylum beecheyanum
Zanthoxylum belizense Lundell (Central America)
Zanthoxylum bifoliolatum Leonard - Maricao prickly ash
Zanthoxylum brachyacanthum F.Muell. - Thorny Yellowwood (Australia)
Zanthoxylum bungeanum Maxim. - Northern China peppercorn; (hua jiao)
Zanthoxylum buesgenii
Zanthoxylum capense (Thunb.) Harv.
Zanthoxylum caribaeum Lam. - Yellow prickly ash
Zanthoxylum chevalieri Waterman (Ghana)
[[ไฟล์:Zanthoxylum_clava-herculis2.jpg|thumb|190px|'ผลและใบของ'Zanthoxylum clava-herculis ]]Zanthoxylum clava-herculis L. - Hercules club, Southern prickly ash (southeastern United States)Zanthoxylum coco Gillies ex Hook. & Arn. - Coco, Smelly Sauco (Argentina, Bolivia)Zanthoxylum coreanum Nakai - Korean Lime TreeZanthoxylum coriaceum  - Biscayne prickly ashZanthoxylum davyi WatermanZanthoxylum delagoense Waterman (Mozambique)Zanthoxylum deremense (Engl.) Kokwaro (Malawi, Tanzania)Zanthoxylum dipetalum H.Mann - Kāwau (Hawaii)Zanthoxylum fagara (L.) Sarg. - Lime prickly ash (Neotropics)Zanthoxylum ferrugineum J.D.Smith (Central America)Zanthoxylum flavum Vahl - West Indian Satinwood (Caribbean)Zanthoxylum gentlei Lundell (Belize, Guatemala, Honduras)Zanthoxylum harrisii P.Wilson ex Britton (Jamaica)Zanthoxylum hartii (Krug & Urb.) P.Wilson (Jamaica)Zanthoxylum hawaiiense Hillebr. - Ae, Hawaiii prickly ash (Hawaii)Zanthoxylum heterophyllum (Lam.) Smith (Mauritius, Réunion)Zanthoxylum hirsutum Buckley - Texas Hercules clubZanthoxylum holtzianum (Engl.) Waterm. (Tanzania)Zanthoxylum humile Waterm.Zanthoxylum hyemale A.St.-Hil.Zanthoxylum integrifoliolum (Merr.) Merr. (The Philippines, Taiwan)Zanthoxylum kauaense A.Gray - Ae, Kauai prickly ash (Hawaii)Zanthoxylum leprieurii Guill. & Perr.Zanthoxylum limonella Alston - Makhwaen ()Zanthoxylum lindense (Engl.) Kokwaro (Tanzania)Zanthoxylum martinicense (Lam.) DC. - White prickly ashZanthoxylum monophyllum (Lam.) P.Wilson - Yellow PrickleZanthoxylum nadeaudii Drake (French Polynesia)Zanthoxylum negrilense Fawc. & Rendle (Jamaica)Zanthoxylum nitidum (Roxb.) DC. - Shining prickly ash; (liang mian zhen "both side needles")Zanthoxylum oahuense Hillebr. - Ae, Oahu Prickly ash (Island of Oahu in Hawaii)Zanthoxylum ocumarense (Pittier) Steyerm.Zanthoxylum ovatifoliolatum FinkelsteinZanthoxylum naranjillo Griseb. - NaranjilloZanthoxylum panamense P.Wilson (Honduras, Costa Rica, Panama)Zanthoxylum paniculatum  (Rodrigues)Zanthoxylum parvum Shinners - TickletongueZanthoxylum pinnatumZanthoxylum piperitum (L.) DC. - Japanese Pepper Tree, Japan Pepper, Sanshō; sanshō; (chopi-namu)Zanthoxylum planispinum Siebold & Zucc. → Z. armatumZanthoxylum procerum Donn Sm. (Central America)
 Zanthoxylum psammophilum (Aké Assi) Waterman (Côte d'Ivoire)
 Zanthoxylum punctatum Vahl - Dotted prickly ash
 Zanthoxylum rhetsa (Roxb.) DC. - Chirphal, Teppal, Tirphal, Indian Pepper

 Zanthoxylum rhoifolium Lam.
 Zanthoxylum schinifolium Siebold & Zucc. - Mastic-leaved prickly ash; Wild Zanthoxylum;  (xiang-jiao-zi "aromatic Z."), 青花椒 (qing-hua-jiao "green Z.");  (inu-zanshō); (山椒__; sancho-namu)
(syn. Fagara mantchurica (J.Benn. ex Daniell) Honda, F. schinifolia (Seib. & Zucc.) Engl.)
 Zanthoxylum simulans Hance - Chinese prickly ash, Sichuan pepper, Sichuan Zanthoxylum,  Sichuan peppercorn;  (ye hua jiao), 川椒 (chuan-jiao, lit. "Sichuan pepper")(Eastern China, Taiwan)
 Zanthoxylum spinifex (Jacq.) DC. - Niaragato
 Zanthoxylum thomasianum (Krug & Urb.) P.Wilson - St. Thomas prickly ash (Puerto Rico, British Virgin Islands, United States Virgin Islands)
 Zanthoxylum zanthoxyloides (Lam.) Zepern. & Timler, 1981; Senegal pricky ash

เคยอยู่ในสกุลนี้
 Eleutherococcus trifoliatus (L.) S.Y.Hu (as Z. trifoliatum L.)
 Melicope lunu-ankenda (Gaertn.) T.G.Hartley (as Z. roxburghianum Cham.)
 Melicope pteleifolia (Champ. ex Benth.) T.G.Hartley (as Z. pteleifolium'' Champ. ex Benth.)

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