Agave










I am giving the following details from Factsheet:
Agave americana may be easily confused with the sisals (Agave sisalana and Agave angustifolia) and the false agaves (Furcraea foetida and Furcraea selloa). These species can be distinguished by the following differences:
  • A. americana has very large greyish or variegated leaves that are usually 1-2 m long on adult plants. These leaves have numerous, relatively large prickles (5-10 mm long) along their margins. Its flowers are borne in an upright position and are yellow or yellowish-green in colour. This species produces large capsules and usually doesn't develop plantlets (bulbils) on the branches of its flower clusters.
  • A. sisalana (sisal) has relatively large dark green or greyish-green leaves that are usually 0.5-1.3 m long on adult plants. These leaves do not have any prickles on their margins. Its flowers are borne in an upright position and are yellow or yellowish-green in colour. This species usually doesn't produce capsules, instead developing numerous plantlets (bulbils) on the branches of its flower clusters.
  • A. angustifolia (Caribbean agave) has relatively large green, greyish-green or variegated leaves that are usually 0.5-1 m long on adult plants. These leaves have many, relatively small prickles (2-5 mm long) along their margins. Its flowers are borne in an upright position and are yellow or yellowish-green in colour. This species produces large capsules and sometimes also develops plantlets (bulbils) on the branches of its flower clusters.
  • F. foetida (Cuban hemp) has very large pale green leaves that are usually 1-2 m long on adult plants. These leaves usually have some prickles along their margins, but mainly near the bases of the leaves. Its flowers are borne in a drooping position and are whitish or greenish-white in colour. This species doesn't produce capsules, instead developing numerous plantlets (bulbils) on the branches of its flower clusters.
  • F. selloa (variegated false agave) has very large variegated leaves that are usually 1-2 m long on adult plants. These leaves have numerous relatively large prickles (7-8 mm long) along their margins. Its flowers are borne in a drooping position and are whitish or greenish-white in colour. This species doesn't produce capsules, instead developing numerous plantlets (bulbils) on the branches of its flower clusters.

 
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Images by tspkumar 
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Agave angustifolia Haw. (Images by J.M.Garg, Aarti S Khale (Validation by Ajinkya Gadave) & P Santhan (Inserted by J.M.Garg) (For more photos & complete details, click on the links))

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Agave attenuata Salm-Dyck (Images by Satish Phadke (Validation by Ushadi & J.M.Garg),  Ranjini Kamath & Bindu (Identified by Neil Soares) (Inserted by J.M.Garg))

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Agave potatorum Zucc. (Images by Balkar Singh & Aarti S Khale (Id by Tanay Bose) (Inserted by J.M.Garg) (For more photos & complete details, click on the links))

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Agave victoriae-reginae T.Moore (Images by Aarti S Khale (Id by Ajinkya Gadave), Alka Khare (Validation by Ushadi) & Balkar Singh (Inserted by J.M.Garg) (For more photos & complete details, click on the links))

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Agave x leopoldii (Images by Satish Phadke's friend (Id by Tanay Bose) (Inserted by J.M.Garg) (For more photos & complete details, click on the links))

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Furcraea foetida (L.) Haw. (Images by tspkumar (Id by Kotaimuthu & Vijayasankar Raman) & Bhagyashri Ranade (Id by Gurcharan Singh) & Prashant Awale (Id by Nayan Singh) (Inserted by TSP Kumar & J.M.Garg) (For more images & complete details, click on the links))
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Furcraea selloa K.Koch (Images by Ranjini Kamath (Id by J.M.Garg) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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From Floral Database of Tamilnadu :



BinomialHabitNotesReferencesDistributionCommon name
Agave americana L.ShrubPlains to High Altitudes, Cultivated, Native of Tropical AmericaFlora of Tamil Nadu, VOL. III, 1989All districtsKathazhai
Agave angustifolia Haw.HerbPlains to High Altitudes, Cultivated, Native of Tropical AmericaFlora of Tamil Nadu, VOL. III, 1989All districtsKathazhai
Agave sisalana Perrine ex EngelmShrubPlains to High Altitudes, Cultivated, Native of Tropical AmericaFlora of Tamil Nadu, VOL. III, 1989All districtsKathazhai
Agave vera-cruz Mill.ShrubPlains to High Altitudes, Cultivated, Native of Tropical AmericaFlora of Tamil Nadu, VOL. III, 1989All districtsKathazhai



 
Botanical nameSynonymsFamilyCommon name
Agave americana Agavaceae Century Plant
Agave angustifolia Agave wrightii Agavaceae Caribbean Century Plant
Agave attenuata Agavaceae Swan's Neck Agave
Agave sisalana Agave rigida var. sisalana Agavaceae Sisal Agave




Gardening in India By George Marshall Woodrow, G Marshall (1999)- Brief details-


An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995)- Details-

Flora of Davanagere District, Karnataka, India By B. K. Manjunatha, V. Krishna, T. Pullaiah  (2004)- Details-

Agave : 1 post by 1 author.

I have updated eFI(efloraofindia) page on Agave

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

If someone can provide complete list of Indian species with source references it will be wonderful.

Any comments/ corrections are welcome.


Pl. go through‎ Agave (‎‎‎‎‎‎Asparagaceae) page with images of species (done by me & ...) in efloraofindia.

If you find any mis-identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, it will be really nice.

Also, if anybody is interested to take up the activity of inserting images on efloraofindia pages from efloraofindia posts, pl. let us know.
looks good