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Research & Reviews: Journal of Botany ISSN: 2278-2222(online) Volume 5, Issue 3 www.stmjournals.com Distribution and Taxonomy of Ferula L.: A Review Ubaid Yaqoob*, Irshad Ahmad Nawchoo Plant Reproductive Biology, Genetic Diversity and Phytochemistry Research Laboratory, Department of Botany, University of Kashmir, Srinagar, Jammu and Kashmir, India Abstract The genus Ferula L. (Apiaceae) from Latin ferula, "rod" comprises of 180–185 species of flowering plants distributed in central and south-west Asia, far east, north India and the Mediterranean basin. The species of genus Ferula mostly grows in mountainous regions and some are distributed in arid climates. Various species of Ferula have been reported from USSR, Pakistan, India and western Himalayas. Some species of the genus are commonly used as spices. Some of species of genus Ferula are used in the preparation of local drugs. These plants are also known to be a rich source of gum-resin used in folklore medicine. The genus Ferula is mostly characterized by the presence of sesquiterpenes and sesquiterpene coumarins. The genus Ferula has long been regarded as a monophyletic genus because its members are similar in habit and morphology but recent molecular studies stated that there is a controversy on both upper and lower level classification of the genus Ferula. The molecular studies concluded that Ferula group including Dorema, Leutea and Ferula is in the tribe Scandiceae, based on ITS sequence analysis. It was found that Dorema and Leutea arise from within a paraphyletic Ferula and suggested nomenclatural changes. This review mainly focuses on the distribution and taxonomy of the medicinally economic important genus Ferula. Keywords: Apiaceae, compounds, distribution, Ferula, taxonomy *Author for Correspondence E-mail: ubaidyaqoob@yahoo.in INTRODUCTION The genus Ferula L. belongs to family Apiaceae (Umbelliferae). Several species of Ferula are commonly used as spices and in the preparation of local drugs. These plants are known to be a rich source of gum-resin [1] used in folklore medicine [2]. It is considered to be an anthelmintic, antiseptic, antispasmodic digestive, analgesic, carminative, diuretic, expectorant, laxative, and a sedative in its properties. The genus Ferula is also well known for pharmacology and toxicity. Daucane esters from Ferula arrigonii and F. communis showed calcium ionophoretic and apoptotic effects in the human jurkat T-cell line [3] and antiproliferative activity on human colon cancer lines [4]. The genus Ferula is mostly characterized by the presence of sesquiterpenes and sesquiterpene coumarins [5, 6]. From studies on about 80 species, it has been found that carotanes, guaianes germacranes, humulanes and himachalanes are the main sesquiterpene constituents of this genus [5, 7–12]. The plants of this genus are a good source of biologically active compounds such as derivatives and sulfur containing compounds [13]. Ferula assa-foetida (used as anticonvulsant, aphrodisiac, anthelmintic, antispasmodic, carminative, diuretic, tonic, and laxative, etc.), F. badrakema and F. gummosa (both used as anticonvulsant, anti-hysteric, decongestant, tonic, treatment of neurological disorders, and stomachache), F. persica (used as antihysteric, carminative, diabetes, treatment of lumbago, laxative, rheumatism, and backache) and F. jaeschkeana (for tumors, chronic wounds, ulcers chest and joint pain) are commonly used as natural remedies [14]. Recent studies show some new biological activities of the plants of this genus. These include anti-microbial, antifungal, antinociceptive, anti-inflammatory, anticonvulsant, antioxidant, anti-mycobacterial, anti-spasmodic, and hypotensive activities [13]. RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Page 15 Distribution and Taxonomy of Ferula L. DISTRIBUTION The family Apiaceae (Umbelliferae) is mostly temperate herbs comprising about 455 genera and 3600–3751 species [15]. The family Apiaceae has been divided into three subfamilies namely: Hydrocotyloideae, Saniculoideae and Apioideae. The Hydrocotyloideae (taken as a family by Hylander has reached its maximum differentiation and distribution in the southern hemisphere and has some 320 species [16]. Out of 30 genera, five have species distributed in the northern hemisphere which are all weedy or aquatic. The other two subfamilies, Saniculoideae (250 species) and Apioideae (1950 species) are bipolar in distribution but reach their maximum development in the northern hemisphere [17]. The largest genera of the Umbelliferae in Asia are Ferula L., Bupleurum L., Pimpinella L., Heracleum L., Seseli L., Angelica L., Bunium L., Prangos Lindl., Ferulago W.D.J. Koch, Hymenidium Lindl., Hydrocotyle L., Chaerophyllum L., Eryngium L., Pternopetalum Franch., Acronema Falc. Ex Edgew. And Semenovia Regel & Herder. In China, the family Apiaceae is represented by 677 species in 108 genera [18]. Similarly in Turkey, the family Apiaceae is represented by 450 species in 109 genera, in Iran, 350 species in 111 genera, in Georgia, 185 species in 77 genera, in Syria, 173 species in 68 genera, in Azerbaijan, 169 species in 73 genera, in Iraq, 148 species in 62 genera, in Armenia, 138 species in 70 genera, in Lebanon, 120 species in 56 genera, in Israel, 90 species in 44 genera, in Jordan, 79 species in 46 genera, in Cyprus, 73 species in 37 genera [18]. In India, the family Apiaceae is represented by 43 genera and 180 species [19]. In Kashmir Himalaya, the family Apiaceae is represented by 20 genera and 62 species. Out of these, 52 are alpine/subalpine species [20]. Ferula L. is the third largest genus of family Apiaceae [21] and comprises of 180–185 species [18]. The species of the genus Ferula are distributed mainly in central and southwest Asia. However, the species of the genus are also distributed in far-east, north India and in the Mediterranean basin [22]. HamzelooMoghadam et al. also reported that the genus Ferula has a wide distribution throughout the Mediterranean and middle east area, the species of the genus mostly grows in Yaqoob and Nawchoo mountainous regions and some are distributed in desert areas [23]. In Iran there are more than 30 Ferula species, of which about half are native and/or endemic [24]. Various species of Ferula have been already reported. From erstwhile USSR, 94 species of the genus have been reported by Korovin et al. (Table 1) [25]. From Pakistan, 15 species of the genus have been reported (Table 2) [26]. Hooker reported three species of Ferula from India (Table 3) [27]. From western Himalayas, 19 species of Ferula have been reported (Table 4) [28]. Pesmen reported 18 species of the genus Ferula in Turkey, of which one was incompletely known and nine were endemic (Ferula amanicola Hub.-Mor. Et Pesmen, F. anatolica (Boiss.) Boiss., F. Drudeana Korovin, F. Halophila Pesmen, F. hubermorathii Pesmen, F. Longipedunculata Pesmen, F. Lycia Boiss., F. Parva Freyn et Bornm., F. tenuissima Hub.-Mor. et Pesmen) [29]. Four new species have been added to the flora of Turkey [30–33]. From China, 25 species of the genus have been reported and seven of them are endemic (Table 5) [34]. From Iran, 32 species of the genus have been reported (Table 6) [35]. From Saudi Arabia, four species of the genus have been reported (Table 7) [36]. Table 1: Different Species of Ferula from USSR. S. No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Name of the Species F. assa-foetida L. F. kuhistanica Korov. F. iliensis Krans. F. plurivittata Korov. F. kelifi Korov. F. primaeva Korov. F. diversivittata Rgl. Et Schmalh. F. inflate Korov. F. latifolia Korov. F. kokanica Rgl. et Schmalh. F. gigantean B. Fedtsch F. foetidissima Rgl. et Schmalh. F. conocaula Korov. F. jaeschkeana Vatke. F. litwinowiana K.–Pol. F. lehmannii Boiss. F. persica Willd. F. tersakensis Korov. F. badrakema K.–Pol. Page 16 Research & Reviews: Journal of Botany Volume 5, Issue 3 ISSN: 2278-2222(online) 20 21 22 23 24 25 26 27 28 F. gumosa Boiss. F. syreitschikovii K.–Pol. F. karakalensis Korov. F. mogoltavica Lipsky. F. szovitsiana DC. F. grigorjevii B. Fedtsch. F. glaberrima Korov. F. prangifolia Korov. F. fedschenkoanaK.–Pol. 70 71 72 73 74 75 76 77 F. subtilis Korov. F. mollis Korov. F. latiloba Korov. F. akitschkensis B. Fedtsch. F. transitoria Korov. F. karataviensis (Rgl. et Schmalh.) Korov. F. vicaria Korov. F. leiophylla(K.–Pol.) Korov. F. foliosa Lipsky. 29 30 31 32 33 34 35 36 37 38 39 40 F. eremophila Korov. F. pachyphylla Korov. F. rigidula DC. F. linczevskii Korov. F. pallid Korov. F. angreni Korov. F. kopetdagensis Korov. F. dissecta Ldb. F. tenuisecta Korov. F. stylosa Korov. F. caucasica Korov. F. orientalis L. 78 79 80 81 82 83 84 85 86 87 88 89 F. nevskii Korov. F. tuberifera Korov. F. samarcandica Korov. F. potaninii Korov. F. minkwitzae Korov. F. xeromorpha Korov. F. ligulata Korov. F. dshizakensis Korov. F. microcarpa Korov. F. ovina Boiss. F. ferganensis Lipsky. F. rubroarenosa Korov. 41 42 43 44 45 46 47 49 50 51 52 53 F. karatavica Rgl. et Schmalh. F. gypsacea Korov. F. ugamica Korov. F. lypskyi Korov. F. equisetacea K.–Pol. F. koso-poljanskyi Korov. F. badhysi Korov. F. oopoda (Boiss. Et Buhse) Boiss. F. korshinskyi Korov. F. clematidifolia K.–Pol. F. penninervis Rgl. et Schmalh. F. involucrate Korov. 90 91 92 93 94 F. lapidosa Korov. F. schtschurowskiana Rgl. et Schmalh. F. ferulaeoides (Steud.) Korov. F. dshaudshamyr Korov. F. caspica M. B. 54 55 56 57 58 59 60 61 62 63 F. leucographa Korov. F. songorica Pall. F. tatarica Fisch. F. aitchisonii K.–Pol. F. kaschkarovii Korov. F. schair Borszcz. F. nuda Spreng. F. karategina Lipsky. F. ceratophylla Rgl. et Schmalh. F. tschimganica Lipsky. 64 F. pseudooreoselinum (Rgl. et Schmalh.) K.–Pol. 65 F. moschata (Reinsch) K.–Pol. 66 F. teterrima Kar. Et Kir. 67 F. krylovii Korov. 68 F. canescens Ldb. 69 F. microloba Boiss. Table 2: Different Species of Ferula from Pakistan. S. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Name of the Species Ferula assa-foetida L. Ferula baluchistanica Ferula communis L. Ferula costata Ferula hindukushensis Ferula jaeschkeanaVatke Ferula kokanica Rgl. et Schmalh. Ferula lehmannii Boiss. Ferula microloba Boiss. Ferula narthex (Falc.) Drude F.oopoda (Boiss. Et Buhse) Boiss. Ferula ovina Boiss. Ferula reppiae Ferula rubicaulis Ferula stewartiana Table 3: Different Species of Ferula from India. S. No. 1 2 3 RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Name of the Species Ferula narthex (Falc.) Drude Ferula thomsoni Ferula jaeschkeana Vatke Page 17 Distribution and Taxonomy of Ferula L. Table 4: Different Species of Ferula from Western Himalayas. S. No. 1 2 3 4 5 6 7 8 Name of the Species Ferula baluchistanica Ferula collina Ferula costata Ferula foetida Ferula heufellii Ferula hindukushensis Ferula jaeschkeana Vatke Ferula karelini 9 10 11 12 13 14 15 16 17 18 19 F.kokanica Rgl. et Schmalh. Ferula lehmanni Ferula leucocarpum Ferula macrocolea Ferula microlobaBoiss. Ferula narthex (Falc.) Drude F.oopoda (Boiss. Et Buhse) Boiss. Ferula ovina Boiss. Ferula propinqua Ferula reppiae Ferula stewartiana Table 5: Different Species of Ferula from China. S. No. 1 2 3 4 5 6 7 Name of the Species Ferula feruloides Ferula caspica Ferula dubjanskyi Ferula lehmannii Ferula conocaula Ferula jaeschkeana Ferula canescens 8 9 10 11 12 13 14 15 16 17 18 19 20 Ferula syreitschikowii Ferula hexiensis Ferula sinkiangensis Ferula teterrima Ferula kirialovii Ferula dissecta Ferula bungeana Ferula ovina Ferula lapidosa Ferula songarica Ferula gracilis Ferula licentiana Ferula olivacea 21 22 23 24 25 Ferula kingdon-wardii Ferula moschata Ferula kirialovii Ferula akitschkensis Ferula karataviensis Yaqoob and Nawchoo Table 6: Different Species of Ferula from Iran. S. No. Name of the Species 1 Ferula alliacea Boiss. 2 F. assa-foetida L. 3 5 F. badrakema Kos.-Pol. F. behboudiana (Rech.f. & Esfand.) Chamberlain F. diversivittata Regel & Schmalh. 6 F. flabelliloba Rech. f. & Aell. 7 F. foetida (Bunge) Regel 8 F. gabrielii Rech. f. 9 F. gumosa Boiss. 10 F. haussknechtii Wolff ex Rech. f. 11 F. karakalensis Korov. 12 F. kashanica Rech.f. 13 F. latisecta Rech. f. & Aell. 14 F. lutensis Rech.f. 15 F. macrocolea (Boiss.) Boiss. 16 F. microcolea (Boiss.) Boiss. 17 F. oopoda (Boiss. & Buhse) Boiss. 18 F. orientalis L. 19 21 F. ovina (Boiss.) Boiss. F. persica Willd. var. latisecta Chamberlain/var. persica F. pseudalliacea Rech. f. 22 F. rigidula DC. 23 F. rubricaulis Boiss. 24 F. samarkandica Korov. 25 F. schtschurowskiana Regel & Schmalh 26 F. serpentinica Rech.f. 27 F. sharifii Rech. f. & Esfand. 28 F. sphenobasis C. C. Townsend 29 F. stenocarpa Boiss. & Hausskn. inBoiss. 30 F. szowitsiana DC. 31 F. tabasensis Rech. f. 32 F. xylorhachis Rech. f. 4 20 Table 7: Different Species of Ferula from Saudi Arabia. S. No. Name of the Species 1 Ferula communis var. communis L./var. glauca (L.) Rouy and Camus 2 Ferula ovina (Boiss.) Boiss. 3 Ferula rutbaensis C.C. Townsend. 4 Ferula sinaica Boiss. RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Page 18 Research & Reviews: Journal of Botany Volume 5, Issue 3 ISSN: 2278-2222(online) TAXONOMY Boissier recognized 29 species of the genus Ferula and has divided the genus into three sections (Peucedanoides Boiss., Euferula Boiss. and Scorodosma Bunge) based on vitae number and petal shape [37]. The genus Ferula has been traditionally categorized in tribe Peucedaneae and subtribe Ferulinae [38]. The molecular systematic studies have revealed that tribe Peucedaneae and its subtribes are polyphyletic [39, 40]. Phylogenetic analyses based on nuclear ribosomal DNA (nrDNA) internal transcribed spacer (ITS) and chloroplast DNA (cpDNA) rps16 intron sequences suggest that Ferula is also polyphyletic. Downie et al., Katz-Downie et al. and Downie et al. revealed that three species (F. communis, F. tingitana, and F. assa-foetida) form one clade with Cenolophium denudatum (Fisch. ex Hornem.) Tutin and Thysselinum palustre within the apioidsuperclade [41–43]. Valiejo-Roman et al. and Lee and Downie reported that the remaining species form a clade with the members of tribe Scandiceae [44, 45]. Korovin used leaf and flower characters in the genus Ferula to delimit infrageneric taxa and reported that fruit anatomy was of little value [46], as against Safina and Pimenov [47–49]. Safina and Pimenov reported that subgenera Peucedanoides and Ferula are highly heterogeneous with respect to fruit anatomy [47, 49]. The amplest infrageneric classification of Ferula is proposed by Korovin having six subgenera and eight sections [46, 50–52], with some of these sections being divided into series or ‘‘grex’’ categories shown in Figure 1 [52]. This classification of Korovin was not adopted later on [52]. Pesmen did not recognize any of the subgenus and section [29], as it was previously proposed by Korovin [52]. On the other hand, Pimenov et al. carried out a phenetic cluster analysis of 90 species of Ferula [53], and the results were incongruent with the classification of Korovin [52]. However, Safina and Pimenov [48] rejected Korovin’s subgenera and recognized 12 sections in the genus Ferula. On the other hand, Chamberlain and Rechinger retained only Korovin’s subgenera, but refrained from referring four newly described species to any of the subgenera [54]. Pimenov and Leonov recognized the genus in the tribe Peucedaneae [15]. The affinity of Ferula with Scandiceae is based only upon DNA sequences. However, the distant position of Ferula from other member genera of Peucedaneae is confirmed by the immunochemical studies [55, 56]. Figure 1: Infrageneric Classification of Ferula as Proposed by Korovin [46, 52], Modified from Kurzyna-Młynik et al. [64]. RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Page 19 Distribution and Taxonomy of Ferula L. The group is undoubtedly monophyletic but many tribes and subtribes traditionally recognized within the subfamily are not [57]. Downie et al. presented a revised classification of the group by summarizing the results of previous molecular systematic studies of Apioideae that reflects its phylogeny [57]. Ten tribes were erected or confirmed as monophyletic. Seven other major clades (Angelica, Apium, Arracacia, Conioselinum chinense, Heracleum, Komarovia, and Pimpinella) were also identified. These tribes were not treated formally. On the basis of three species studied, Downie et al. stated that the genus Ferula, could not be placed into any tribe or clade, but the apioidsuperclade [57]. Spalik et al. have treated the Angelica and Arracacia clades as tribe Selineae based primarily upon the studies of the ITS sequences [58]; while the Apium, Heracleum, and Pimpinella clades to tribes Apieae, Tordylieae, and Pimpinelleae, respectively [59–63]. Since its members are similar in habit and morphology, the genus Ferula has long been regarded as a monophyletic [64], but molecular studies confirm controversy on both upper and lower level classification of the genus. Based on the data of nrDNA ITS variation, the polyphyletic nature of the genus was negated by Kurzyna-Młynik et al. [64]. Upon the addition of Dorema and Leutea, they supported the monophyly of the genus. Ajani et al. through molecular studies based on ITS sequence analysis concluded that Ferula group including Dorema, Leutea and Ferula is in the tribe Scandiceae [60]. They placed Ferula alongside Dorema and Leutea in Ferula group. Ajani et al. also reported that Dorema and Leutea arise from within a paraphyletic Ferula [60]. CONCLUSIONS The species of genus Ferula mostly grows in mountainous regions and some are distributed in arid climates. The species of the genus Ferula are distributed mainly in central and south-west Asia. However, the species of the genus are also distributed in far east, north India and in the Mediterranean basin. Various species of Ferula have been reported from USSR, Pakistan, India and western Himalayas. The genus Ferula is mostly characterized by the presence of gum-resins, sesquiterpenes and sesquiterpene coumarins. The genus Ferula Yaqoob and Nawchoo has long been regarded as a monophyletic but molecular studies confirm controversy on both upper and lower level classification of the genus. Through molecular studies based on ITS sequence analysis it was concluded that Ferula group including Dorema, Leutea and Ferula is in the tribe Scandiceae. 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Cite this Article Ubaid Yaqoob, Irshad Ahmad Nawchoo. Distribution and Taxonomy of Ferula L.: A Review. Research & Reviews: Journal of Botany. 2016; 5(3): 15–23p. RRJoB (2016) 15-23 © STM Journals 2016. All Rights Reserved Page 23