Sporobolus africanus

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Sporobolus africanus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Chloridoideae
Genus: Sporobolus
Species:
S. africanus
Binomial name
Sporobolus africanus
(Poir.) Robyns & Tournay

Sporobolus africanus, or rat's tail grass, is a true grass in the tribe Zoysieae.[1]

Sporobolus africanus is known by many common names, including African dropseed, African dropseed grass, dropseed grass, Indian rat's tail grass, Parramatta grass, rat tail grass, rat's tail, rat's tail grass, rats' tails, ratstail, ratstail dropseed, rattail dropseed, rat-tail grass, rattail grass, rattailgrass, rush grass, smut grass, smutgrass, tough dropseed, tufty grass, and tussock grass.[2]

Sporobolus africanus is an erect, stiff, tufted, perennial grass. Leaves are 20–40cm long and 1–4mm wide, in-rolled, scabrid, and olive-green. The panicle is 9-22cm long, with a long, densely-packed grey-brown inflorescence, bearing 2.2-3mm spikelets with a single floret.[3][4][5]

Distribution

Native range

The native range for the species is southern and eastern Africa (from the Democratic Republic of Congo to South Africa), as well as Kenya, Eswatini, Ethiopia, Nigeria, Cameroon, Arabia, and Sri Lanka.[1][3]

In South Africa, it occurs in Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, Northwest, and the Northern, Western and Eastern Cape Provinces.[3]

Naturalised range

Sporobolus africanus is naturalised in Madagascar, Philippines, Australasia (Papua New Guinea, New Zealand, and Australia (including Lord Howe I., Norfolk I., and Kermadec I.)), throughout the Pacific (Cook Is., Easter Is., Hawaii, Niue, Tokelau-Manihiki, French Polynesia, Mariana Is.), Atlantic Ocean islands (the Azores, Canary Is., Madeira, Ascension, Tristan da Cunha, and St. Helena), and Indian Ocean islands (Mauritius and Réunion).[1]

Habitat

Sporobolus africanus typically grows in compacted soils and is well-suited to low-fertility.[6] S. africanus is a grass of open areas, such as lawns and pastures, footpaths, parks, roadsides, disturbed sites, as well as native grasslands, open woodlands.[2][3]

Ecology

Photos

References

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