Saccharum arundinaceum Retz. (Tropical & Subtropical Asia: Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Korea, Laos, Lesser Sunda Is., Malaya, Maluku, Myanmar, Nepal, New Guinea, Philippines, South China Sea, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam, West Himalaya as per POWO (Tripidium arundinaceum (Retz.) Welker, Voronts. & E.A.Kellogg, Taxon 68: 255 (2019))
Saccharum bengalense Retz. (As per efi thread: The racemes of S.spontaneum are simple and unbranched, whereas S.bengalense has branched racemes looking like a panicle. S.spontaneum has silvery white inflorescence whereas S.bengalense has pinkish inflorescence turning white later on. S.spontaneum has a running growth whereas S.bengalense are found in thick clumps.)
(Iran to Myanmar: Afghanistan, Bangladesh, India, Iran, Myanmar, Pakistan, West Himalaya; Introduced into: Andaman Is., Assam, Jawa, Leeward Is., Madagascar, Mauritius, Puerto Rico, Trinidad-Tobago as per POWO)
Saccharum filifolium Steud. (Afghanistan to Himalaya: Afghanistan, Nepal, Pakistan, West Himalaya as per POWO)
Saccharum narenga (Nees ex Steud.) Hack. (Ethiopia, Indian Subcontinent to S. China and Indo-China, Taiwan: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, Ethiopia, India, Myanmar, Nepal, Pakistan, Taiwan, Thailand, Vietnam, West Himalaya as per POWO)
Saccharum officinarum L. (New Guinea; Introduced into: Alabama, Aldabra, Algeria, Andaman Is., Angola, Assam, Bahamas, Bangladesh, Belize, Benin, Bermuda, Bismarck Archipelago, Borneo, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Burundi, Cambodia, Cameroon, Canary Is., Caroline Is., Cayman Is., Central African Repu, Chad, China South-Central, China Southeast, Colombia, Comoros, Congo, Cook Is., Costa Rica, Cuba, Cyprus, Dominican Republic, East Himalaya, Easter Is., Ecuador, Egypt, El Salvador, Equatorial Guinea, Fiji, Florida, Galápagos, Gambia, Gilbert Is., Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Hainan, Haiti, Hawaii, Honduras, India, Iraq, Ivory Coast, Jamaica, Jawa, Korea, Laos, Lebanon-Syria, Leeward Is., Lesser Sunda Is., Line Is., Louisiana, Madagascar, Madeira, Malaya, Maldives, Marianas, Marquesas, Marshall Is., Mauritius, Mexico Central, Mexico Northwest, Mexico Southeast, Mexico Southwest, Mississippi, Morocco, Myanmar, Nansei-shoto, Nauru, New Caledonia, New Zealand North, Nicaragua, Nicobar Is., Niue, Oman, Panamá, Philippines, Pitcairn Is., Puerto Rico, Rodrigues, Rwanda, Réunion, Samoa, Santa Cruz Is., Senegal, Seychelles, Society Is., Solomon Is., Spain, Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Texas, Thailand, Tibet, Togo, Tonga, Trinidad-Tobago, Tuamotu, Tubuai Is., Turkey, Tuvalu, Vanuatu, Venezuela, Venezuelan Antilles, Vietnam, West Himalaya, Windward Is., Yemen, Zaïre as per POWO)
Saccharum ravennae (L.) L. (From efi thread : Saccharum ravennae has become rather rare nowadays may be due to filling up of terai grasslands and expansion of roads. It is a very tall grass and can be identified by the small awn projecting out of the spikelet in addition to the hairs. It has decompound panicles (branched and rebranched) whereas S.spontaneum has unbranched panicle branches almost like a raceme. The leaves of Saccharum ravennae are also broader. The panicles are purplish in S.r and silvery in S.spontaneum)
(Medit. to Central Asia and Myanmar, Sahara to Arabian Peninsula: Afghanistan, Albania, Algeria, Assam, Baleares, Bangladesh, Bulgaria, Chad, Corse, Cyprus, East Aegean Is., France, Greece, Gulf States, India, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Lebanon-Syria, Libya, Morocco, Myanmar, Nepal, North Caucasus, Oman, Pakistan, Palestine, Saudi Arabia, Sicilia, Somalia, Spain, Tadzhikistan, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Uzbekistan, West Himalaya, Western Sahara, Xinjiang, Yemen, Yugoslavia; Introduced into: Arizona, California, Colorado, Delaware, District of Columbia, Florida, Georgia, Illinois, Jamaica, Kansas, Kentucky, Maryland, Mexico Northwest, Michigan, Missouri, New Mexico, New York, Ohio, Oklahoma, Romania, Tennessee, Utah as per POWO)
Saccharum rufipilum Steud. (Pakistan to Central & S. China: Assam, Bangladesh, China North-Central, China South-Central, China Southeast, East Himalaya, Myanmar, Nepal, Pakistan, Tibet, Vietnam, West Himalaya as per POWO (Tripidium rufipilum (Steud.) Welker, Voronts. & E.A.Kellogg, Phytotaxa 471: 297 (2020))
Saccharum spontaneum L. (From efi thread: The racemes of S.spontaneum are simple and unbranched, whereas S.bengalense has branched racemes looking like a panicle. S.spontaneum has silvery white inflorescence whereas S.bengalense has pinkish inflorescence turning white later on. S.spontaneum has a running growth whereas S.bengalense are found in thick clumps)
(Sicilia, Africa, Asia to N. & NE. Australia: Afghanistan, Algeria, Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Burkina, Cambodia, Cameroon, Central African Repu, Chad, China North-Central, China South-Central, China Southeast, East Himalaya, Egypt, Eritrea, Ethiopia, Ghana, Gulf States, Hainan, India, Japan, Jawa, Kazakhstan, Kenya, Kirgizstan, Korea, Laos, Lebanon-Syria, Lesser Sunda Is., Libya, Malawi, Malaya, Maluku, Morocco, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicobar Is., Niger, Nigeria, Northern Territory, Oman, Pakistan, Palestine, Philippines, Queensland, Saudi Arabia, Seychelles, Sicilia, Sinai, Solomon Is., Somalia, Sri Lanka, Sudan, Sumatera, Tadzhikistan, Taiwan, Tanzania, Thailand, Tibet, Togo, Tunisia, Turkmenistan, Uganda, Uzbekistan, Vietnam, West Himalaya, Xinjiang, Yemen; Introduced into: Caroline Is., Christmas I., Costa Rica, Cuba, Fiji, Florida, Greece, Hawaii, Italy, Kriti, Madagascar, Marianas, Mauritius, New Caledonia, Panamá, Puerto Rico, Réunion, Sardegna, Society Is., Trinidad-Tobago, Vanuatu as per POWO)
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Saccharum (Poaceae) page with comparative images:
Pl. go through Saccharum (Poaceae) page with comparative images of species in efloraofindia. On clicking the link of species, one can check the complete details.
I request you to pl. go through & point out mistakes, if any. I hope this will aid in identification in future. If anybody can send images of other species of this genus (for incorporation in the website), if any, or can identify unidentified images, it will be really nice. Pl. circulate it widely, for the benefit of all concerned.
Thanks a lot, Manoj Chandran ji, for most of the identifications.