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Useful Tropical Plants

Andropogon gayanus

Kunth

Poaceae

+ Synonyms

Andropogon aethiopicus Rupr. ex Steud.

Andropogon appendiculatus polycladus Hack.

Andropogon bisquamulatus Hochst.

Andropogon cordofanus Hochst.

Andropogon dewevrei De Wild.

Andropogon guineensis Schumach.

Andropogon helophilus K.Schum.

Andropogon hylophilus Engl.

Andropogon infrasulcatus Reznik

Andropogon reconditus Steud.

Andropogon ringoetii De Wild.

Andropogon squamulatus Hochst.

Andropogon tomentellus Steud.

Andropogon tridentatus Hochst.

Cymbachne guineensis (Schumach.) Roberty

Sorghum gayanum (Kunth) Kuntze

Common Name:

Andropogon gayanus
Plant
Photograph by: Wilson, C.G.
Image credit to Australian National Botanic Gardens
Andropogon gayanus Andropogon gayanus Andropogon gayanus

General Information

Andropogon gayanus is a clump-forming, perennial grass with with leaves up to 1 metre long and culms from 150 - 250cm tall and around 6mm in diameter. It can form a clump around 100cm in diameter[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
].
Best known as a tropical grazing grass, the plant is also used as a source of material for thatching and weaving, as well as sometimes being planted for erosion control and soil restoration.

Known Hazards

None known

Botanical References


Range

Tropical Africa - widespread in semi-arid and seasonal rainfall areas, from the Sahel to Namibia, Botswana and Mozambique.

Habitat

Open woodland and savannah[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].

Properties

Weed PotentialYes
Other Uses Rating *  *  *
HabitEvergreen Perennial
Height2.00 m
Cultivation StatusCultivated, Wild

Cultivation Details

A plant of the tropics and warm subtropics, where it can be found at elevations below 2,000 metres, though mostly below 1,000 metres. It prefers a mean annual rainfall within the range 750 - 1,260mm, but can tolerate 400 - 1,400mm[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
]. It can tolerate up to 2,500mm[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
]. It grows best in areas with seasonal rainfall and a dry season of 3 - 6 months[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
]. The plant is sensitive to lower temperatures; the leaves are killed by frost and growth is restricted where the mean minimum temperature of the coldest month is below 4.4°c[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
]. Optimal flowering is at 25°c[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
].
Grows best in full sun[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
]. Succeeds on a wide range of soils, including those of low fertility, from sands to black cracking clays, but prefers sandy clays of medium to high fertility[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
]. Succeeds in infertile, acid soils, tolerating a pH range from 4 - 7.5[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
,
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
]. Established plants are drought tolerant and some forms can also tolerate seasonal inundation of the soil[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
,
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
].
Grown in many areas for pasture, the plant has escaped from cultivation and invaded native areas. It is a vigorous, robust grass which can form dense stands, excluding native species. In the Northern Territory, Australia, it has invaded riparian vegetation (creek banks and flood-plain fringes), degraded areas, roadsides, pastures and Eucalyptus savannah, in areas where annual rainfall exceeds 600 mm[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
]. It has also become naturalized in Brazil[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
]. A highly productive grass that increases fuel loads, cures later than the native annual grasses and produces intense, late dry season fires which seriously damage native woody species[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
].
The plant has three types of roots - most are fibrous roots close to the surface that probably produce the vigorous early growth; thick cord roots which store starch and anchor the tussock; and vertical roots that can extract water at depth during the dry season[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
].
Plants are tolerant of grass fires[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].
A short-day plant with a critical day length for flowering between 12 and 14 hours[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].

Edible Uses

None known

Medicinal

None known

Agroforestry Uses:

The plant has been used for reclaiming badly overgrazed and eroded land[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
]. Ten metre wide strips of the grass have been planted in fields of millet to reduce wind erosion occurring at the start of the wet season. The strips captured more than 2,000 tonnes of sand per hectare within 3 years[
415
Title
Tropical Forages
Publication
 
Author
 
Website
http://www.tropicalforages.info/key/Forages/Media/Html/index.htm
Publisher
 
Year
0
ISBN
 
Description
Mainly focussed on forage plants, the site gives a lot of information on the plant, with a good botanical description, details of cultivation, plant uses and a good selection of photographs.
].
When used in a rotation, especially in impoverished land, the plant has been found to build soil fertility[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].
It can be planted along the banks of streams etc to control erosion[
269
Title
Handbook of Energy Crops
Publication
 
Author
Duke. J.
Publisher
-
Year
1983
ISBN
-
Description
Published only on the Internet, excellent information on a wide range of both temperate and tropical plants.
].

Other Uses

The stems are used for weaving coarse grass mats and for thatching[
310
Title
Plant Resources of Southeast Asia
Publication
 
Author
 
Website
http://proseanet.org/
Publisher
 
Year
0
ISBN
 
Description
Lots of information on the uses of the plants of SE Asia.
,
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].

Propagation

Seed - sow in situ at a depth of 10 - 25mm[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].
Division of root clumps[
375
Title
Grassland Species - Profiles
Publication
 
Author
 
Website
http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Default.htm
Publisher
 
Year
0
ISBN
 
Description
Terse information on over 650 species of plants that grow in grassland, including trees, shrubs and perennial plants as well as grasses. Gives a brief description of the plant, its range and habitat and some of its uses.
].
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-09-15. <tropical.theferns.info/viewtropical.php?id=Andropogon+gayanus>

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