Chi Thùa

Chi Thùa, tên khoa học Agave, là một chi thực vật có hoa trong họ Asparagaceae.

**Danh sách loài**
Theo tài liệu the World Checklist of Selected Plant Families, vào tháng 12 năm 2012, ghi nhận được 194 loài thuộc chi Agave.
A. americana
*Agave acicularis Trel.
*Agave acklinicola Trel.
*Agave × ajoensis W.C.Hodgs. = A. deserti var. simplex × A. schottii var. schottii
*Agave aktites Gentry
*Agave albescens Trel.
*Agave albomarginata Gentry
*Agave albopilosa I.Cabral
*Agave americana L. – American Agave, American Century Plant, Century Plant, Maguey americano
**Agave americana subsp. americana
**Agave americana subsp. protamericana Gentry
*Agave angustiarum Trel.
*Agave anomala Trel.
*Agave antillarum Descourt.
*Agave applanata Lem. ex Jacobi
*Agave arcedianoensis Cházaro
*Agave × arizonica Gentry & J.H.Weber = A. chrysantha × A. toumeyana var. bella
*Agave arubensis Hummelinck
*Agave asperrima Jacobi – Maguey spero, Rough Century Plant
**Agave asperrima subsp. asperrima
**Agave asperrima subsp. maderensis (Gentry) B.Ullrich
**Agave asperrima subsp. potosiensis (Gentry) B.Ullrich
**Agave asperrima subsp. zarcensis (Gentry) B.Ullrich
*Agave atrovirens Karw. ex Salm-Dyck
*Agave attenuata Salm-Dyck – Swan's Neck Agave, Dragon Tree Agave, Foxtail Agave
**Agave attenuata subsp. attenuata
**Agave attenuata subsp. dentata (J.Verschaff.) B.Ullrich
*Agave aurea Brandegee
*Agave avellanidens Trel.
A. bracteosa
*Agave bahamana Trel.
*Agave beauleriana Jacobi
*Agave boldinghiana Trel.
*Agave boscii (Hornem.) ined.
*Agave bovicornuta Gentry – Cowhorn Agave
*Agave braceana Trel.
*Agave bracteosa S.Watson ex Engelm. – Squid Agave
*Agave brevipetala Trel.
*Agave brevispina Trel.
*Agave brittoniana Trel.
A. chiapensis
*Agave cacozela Trel.
*Agave cajalbanensis A.Álvarez
*Agave calodonta A.Berger
*Agave cantala (Haw.) Roxb. ex Salm-Dyck – Cantala, Maguey de la India
*Agave capensis Gentry
*Agave caribaeicola Trel.
*Agave cerulata Trel.
**Agave cerulata subsp. cerulata
**Agave cerulata subsp. dentiens (Trel.) Gentry
**Agave cerulata subsp. nelsonii (Trel.) Gentry
**Agave cerulata subsp. subcerulata Gentry
*Agave chazaroi A.Vázquez & O.M.Valencia
*Agave chiapensis Jacobi
*Agave chrysantha Peebles – Golden Flowered Agave, Golden Flower Century Plant
*Agave chrysoglossa I.M.Johnst.
*Agave cocui Trel.
*Agave collina Greenm.
*Agave colorata Gentry – Mescal ceniza
*Agave congesta Gentry
*Agave convallis Trel.
*Agave cundinamarcensis A.Berger
*Agave cupreata Trel. & A.Berger
A. deserti
*Agave dasylirioides Jacobi & C.D.Bouché
*Agave datylio F.A.C.Weber
*Agave demeesteriana Jacobi
*Agave decipiens Baker – False Sisal
*Agave delamateri W.C.Hodgs. & Slauson
*Agave deserti Engelm. – Desert Century Plant, Desert Agave, Maguey de Desierto
*Agave difformis A.Berger
*Agave durangensis Gentry
*Agave dussiana Trel.
*Agave eggersiana Trel. – Eggers' Century Plant, St. Croix Agave
*Agave ehrenbergii Jacobi
*Agave ellemeetiana Jacobi
*Agave ensifera Jacobi
*Agave evadens Trel.
*Agave felgeri Gentry – Mescalito
*Agave filifera Salm-Dyck – Thread-leaf Agave
*Agave flexispina Trel.
*Agave fortiflora Gentry
*Agave fourcroydes Lem. – Henequen, Maguey Henequen, Mexican Sisal
*Agave funkiana K.Koch & C.D.Bouché – Ixtle de Jaumav
A. guiengola
*Agave garciae-mendozae Galván & L.Hern.
*Agave gentryi B.Ullrich
*Agave ghiesbreghtii Lem. ex Jacobi
*Agave gigantensis Gentry
*Agave gilbertii A.Berger
*Agave × glomeruliflora (Engelm.) A.Berger = A. havardiana × A. lechuguilla
*Agave gracilipes Trel. – Maguey de pastizal, Slimfoot Century Plant
*Agave grisea Trel.
*Agave guadalajarana Trel. – Maguey chato
*Agave guiengola Gentry
*Agave gypsophila Gentry
*Agave harrisii Trel.
*Agave havardiana Trel. – Havard's Century Plant, Chisos Agave, Maguey de Havard
*Agave hiemiflora Gentry
*Agave hookeri Jacobi
*Agave horrida Lem. ex Jacobi
**Agave horrida subsp. horrida
**Agave horrida subsp. perotensis B.Ullrich
*Agave hurteri Trel.
*Agave impressa Gentry
*Agave inaequidens K.Koch
**Agave inaequidens subsp. barrancensis Gentry
**Agave inaequidens subsp. inaequidens
*Agave inaguensis Trel.
*Agave indagatorum Trel.
*Agave intermixta Trel.
*Agave isthmensis A.García-Mend. & F.Palma
*Agave jaiboli Gentry
*Agave jarucoensis A.Álvarez
A. lechuguilla
*Agave karatto Mill.
*Agave karwinskii Zucc.
*Agave kerchovei Lem.
*Agave kewensis Jacobi
*Agave lagunae Trel.
*Agave lechuguilla Torr. – Agave lechuguilla, Lecheguilla, Lechuguilla, Maguey lechuguilla
*Agave longipes Trel.
*Agave lopantha Schiede ex Kunth
*Agave macroacantha Zucc.
*Agave mapisaga Trel.
*Agave margaritae Brandegee
*Agave marmorata Roezl
*Agave maximiliana Baker
*Agave mckelveyana Gentry – Mckelvey Agave, McKelvey's Century Plant
*Agave microceps (Kimnach) A.Vázquez & Cházaro
*Agave millspaughii Trel.
*Agave minor Proctor
*Agave missionum Trel. – Corita
A. murpheyi
*Agave mitis Mart.
*Agave montana Villarreal
*Agave montium-sancticaroli García-Mend.
*Agave moranii Gentry
*Agave multifilifera Gentry
*Agave murpheyi Gibson – Maguey Bandeado, Murphey Agave, Murphey's Century Plant, Hohokam Agave
*Agave nashii Trel.
*Agave nayaritensis Gentry
*Agave neglecta Small – Wild Century Plant
*Agave nickelsiae Rol.-Goss.
*Agave nizandensis Cutak – Dwarf Octopus Agave
*Agave nuusaviorum García-Mend.
**Agave nuusaviorum subsp. deltoidea García-Mend.
**Agave nuusaviorum subsp. nuusaviorum
*Agave obscura Schiede ex Schltdl.
*Agave ocahui Gentry
*Agave ornithobroma Gentry – Maguey pajarito
*Agave oroensis Gentry
*Agave ortgiesiana (Baker) Trel. in L.H.Bailey
*Agave ovatifolia G.D.Starr & Villarreal
*Agave pachycentra Trel.
*Agave palmeri Engelm. – Maguey de tlalcoyote, Palmer Agave, Palmer Century Plant, Palmer's Century Plant
A. parviflora
*Agave papyrocarpa Trel.
**Agave papyrocarpa subsp. macrocarpa A.Álvarez
**Agave papyrocarpa subsp. papyrocarpa
*Agave parrasana A.Berger
*Agave parryi Engelm. – Mezcal yapavai, Parry Agave, Parry's Agave
**Agave parryi subsp. neomexicana (Wooton & Standl.) B.Ullrich
**Agave parryi subsp. parryi
*Agave parvidentata Trel.
*Agave parviflora Torr. in W.H.Emory – Maguey sbari, Smallflower Agave, Smallflower Century Plant, Little Princess Agave
**Agave parviflora subsp. densiflora G.D.Starr & T.Van Devender
**Agave parviflora subsp. flexiflora Gentry
**Agave parviflora subsp. parviflora
*Agave peacockii Croucher
*Agave pelona Gentry – Bald Agave
*Agave pendula Schnittsp.
*Agave petiolata Trel.
*Agave petrophila A.García-Mend. & E.Martínez
*Agave phillipsiana W.C.Hodgs.
*Agave pintilla S.González
*Agave polianthiflora Gentry
*Agave polyacantha Haw.
*Agave potatorum Zucc. – Drunkard Agave
*Agave potreriana Trel.
*Agave promontorii Trel.
*Agave × pumila De Smet ex Baker = A. asperrima × A. nickelsiae
*Agave rhodacantha Trel.
*Agave rovelliana Tod.
*Agave rutteniae Hummelinck
*Agave rzedowskiana P.Carrillo
A. sisalana
*Agave salmiana Otto ex Salm-Dyck – Pulque, Maguey, Maguey de montaña
**Agave salmiana subsp. crassispina (Trel.) Gentry
**Agave salmiana subsp. salmiana
*Agave scaposa Gentry
*Agave schidigera Lem.
*Agave schneideriana A.Berger
*Agave schottii Engelm. – Maguey puercoesp n, Schott Agave, Schott's Century Plant, Shindagger, Leather Agave
*Agave sebastiana Greene
*Agave seemanniana Jacobi
*Agave shaferi Trel.
*Agave shawii Engelm. – Coastal Agave, Maguey primavera
**Agave shawii subsp. goldmaniana (Trel.) Gentry
**Agave shawii subsp. shawii
*Agave shrevei Gentry
**Agave shrevei subsp. magna Gentry
**Agave shrevei subsp. matapensis Gentry
**Agave shrevei subsp. shrevei
*Agave sisalana Perrine – Maguey de Sisal, Sisal, Sisal Hemp
*Agave sobolifera Houtt.
*Agave sobria Brandegee
**Agave sobria subsp. frailensis Gentry
**Agave sobria subsp. roseana (Trel.) Gentry
**Agave sobria subsp. sobria
*Agave spicata Cav.
*Agave striata Zucc.
**Agave striata subsp. falcata (Engelm.) Gentry
**Agave striata subsp. striata
*Agave stricta Salm-Dyck
*Agave stringens Trel.
*Agave subsimplex Trel.
A. tequilana
*Agave tecta Trel.
*Agave tenuifolia Zamudio & E.Sánchez
*Agave tequilana F.A.C.Weber – Mezcal azul tequilero, Tequila Agave, Weber Blue Agave
*Agave thomasiae Trel.
*Agave titanota Gentry
*Agave toumeyana Trel. – Toumey Agave, Toumey's Century Plant
*Agave triangularis Jacobi
*Agave tubulata Trel.
*Agave turneri R.H.Webb & Salazar-Ceseña
A. victoriae-reginae
*Agave underwoodii Trel.
*Agave univittata Haw.
*Agave utahensis Engelm. in S.Watson – Utah Agave
**Agave utahensis subsp. kaibabensis (McKelvey) Gentry
**Agave utahensis subsp. utahensis
*Agave valenciana Cházaro & A.Vázquez
*Agave vazquezgarciae Cházaro & J.A.Lomelí
*Agave vera-cruz Mill.
*Agave vicina Trel.
*Agave victoriae-reginae T.Moore – Queen Victoria's Agave
**Agave victoriae-reginae subsp. swobodae Halda
**Agave victoriae-reginae subsp. victoriae-reginae
*Agave vilmoriniana A.Berger – Octopus Agave
*Agave vivipara L.
*Agave vizcainoensis Gentry
*Agave wallisii Jacobi
*Agave warelliana Baker
*Agave weberi J.F.Cels ex J.Poiss. – Maguey liso, Weber's Century Plant, Weber Agave
*Agave wercklei F.A.C.Weber ex Wercklé
*Agave wildingii Tod.
*Agave wocomahi Gentry
*Agave xylonacantha Salm-Dyck – Century Plant, Maguey diente de tiburn
*Agave zebra Gentry

**Hình ảnh**

**Chú thích**

**Liên kết ngoài**
Agave
*Agave

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