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Andropogoneae – a tribe of grasses




Images of Andropogoneae at google.com

Andropogoneae is a tribe of grasses that belong to the family of Poaceae.

Overview of Andropogoneae

• It is prevalent all through tropical and temperate areas.
• They make use of C4 carbon fixation physiology.
• All members belonging to this tribe in particular make use of the NADP–malic enzyme subtype of C4 photosynthesis.
• This tribe is generally termed as the sorghum tribe.

Genera belonging to this tribe include:
• Andropogon
• Bothriochloa
• Chrysopogon
• Coix
• Dicanthium
• Saccharum
• Miscanthus
• Schizachyrium
• Sorghum
• Zea
• Sorghastrum
• Tripsacum
• Heteropogon
• Trachypogon
• Imperata
• Themeda

Occurrence of this grass is ample in the temperate savannas of:
– India
– Australia
– Africa
– South America
• The well-known bred sugarcane is produced from this, along with the essential food crops maize (Indian corn) and also sorghum.
• Plants usually perennial.
• Culms are 7-600 cm.
• It is an annual.
• It is not woody.
• It appears reddish or purple.
• It is actually branched above the base.
• Sheaths are open.
• Blades are mostly well-developed.
• Leaves subtending an inflorescence or even an inflorescence system have frequently with decreased blades.
• Inflorescences are terminal.
• The tribe Andropogoneae consists of approximately 87 genera and 1060 species.
• Of all these 31 genera and 102 species are actually present in the Flora region.
• Some of those have not become fully grown.
• The tribe is popular in tropical and subtropical areas.
• This is especially in regions with considerable summer rains, like the central plains of North America.

Two of the grasses that were quite prevalent in central North America are:
– Andropogon gerardii
– Schizachyrium scoparium
• Both are member of the Andropogoneae.
• The reddish-purplish colors that is characteristic of the culms and also leaves of numerous Andropogoneae gives a stunning aspect to grasslands.

Some tribes and species of Andropogoneae:
• Andropogon gerardii Vitman
• Andropogon ternarius
• Apluda mutica
• Bothriochloa bladhii
• Capillipedium parvi?orum
• Chionachne koenigii
• Chrysopogon fulvus
• Chrysopogon gryllus
• Cleistachne sorghoides Benth
• Coelorachis selloana
• Coix aquatica Roxb
• Cymbopogon ?exuosus
• Cymbopogon jwarancusa
• Dichanthium aristatum
• Elionurus muticus Kuntze
• Heteropogon contortus
• Hyparrhenia hirta
• Ischaemum afrum
• Ischaemum santapaui
• Microstegium nudum
• Miscanthus japonicus
• Phacelurus digitatus
• Saccharum of?cinarum
• Schizachyrium scoparium
• Sorghum bicolor
• Tripsacum dactyloides
• Zea mays L.

Scientific Classification of Andropogoneae

• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Subfamily : Panicoideae
• Tribe : Andropogoneae





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