Itch grass | |
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Rottboellia cochinchinensis | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Clade: | Commelinids |
Order: | Poales |
Family: | Poaceae |
Subfamily: | Panicoideae |
Supertribe: | Andropogonodae |
Tribe: | Andropogoneae |
Subtribe: | Rottboelliinae |
Genus: | Rottboellia L.f. 1782 not Host 1801 nor Rottboelia Scop. 1777 |
Type species | |
Rottboellia exaltata L.f. | |
Synonyms [1] | |
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Rottboellia (commonly called itch grass) [2] is a genus of African, Asian, and Australian plants in the grass family. [3] [4] [5]
The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797).
Numerous species now considered better suited to other genera: Chasmopodium , Coelorachis , Elionurus , Eremochloa , Festuca , Glyphochloa , Hainardia , Hemarthria , Henrardia , Heteropholis , Ischaemum , Lasiurus , Lolium , Loxodera , Manisuris , Mnesithea , Muhlenbergia , Ophiuros , Oropetium , Parapholis , Phacelurus , Pholiurus , Ratzeburgia , Rhytachne , Schizachyrium , Spartina , Stenotaphrum , Thaumastochloa , Urelytrum and Xerochloa .
Saccharum is a genus of tall perennial plants of the broomsedge tribe within the grass family.
Olea is a genus of flowering plants in the family Oleaceae. It includes 12 species native to warm temperate and tropical regions of the Middle East, southern Europe, Africa, southern Asia, and Australasia. They are evergreen trees and shrubs, with small, opposite, entire leaves. The fruit is a drupe. Leaves of Olea contain trichosclereids.
Triadica is a plant genus of the family Euphorbiaceae first described as a genus in 1790. It is native to eastern southeastern, and southern Asia.
Aegilops is a genus of Eurasian and North American plants in the grass family, Poaceae. They are known generally as goatgrasses. Some species are known as invasive weeds in parts of North America.
Cenchrus is a widespread genus of plants in the grass family. Its species are native to many countries in Asia, Africa, Australia, the Americas, and various oceanic islands.
Stemona is a genus of vines and subshrubs in the family Stemonaceae, described as a genus in 1790.
Spinifex is a genus of perennial coastal plants in the grass family.
João de Loureiro was a Portuguese Jesuit missionary and botanist.
Gac, from the Vietnamese gấc, scientific name Momordica cochinchinensis, is a species of plant in the melon and cucumber family Cucurbitaceae which is native to countries throughout Southeast Asia and to Queensland, Australia. It is notable for its vivid orange-reddish color resulting from a mix of beta-carotene and lycopene.
Helicia is a genus of 110 species of trees and shrubs, constituting part of the plant family Proteaceae. They grow naturally in rainforests throughout tropical South and Southeast Asia, including India, Sri Lanka, Indochina, Peninsular Malaysia to New Guinea and as far south as New South Wales.
Randia, commonly known as indigoberry, is a mostly Neotropical genus of shrubs or small trees in the Rubiaceae. As of February 2022 Plants of the World Online lists a total of 112 accepted species in the genus. Several Australian species have been reassigned to the genus Atractocarpus. These include the garden plants Atractocarpus chartaceus and A. fitzalanii.
Coelorachis is a genus of plants in the grass family, widespread across much of Asia, Africa, Australia and the Americas.
Ophiuros is a genus of Asia, Australian, and East African plants in the grass family.
Enteropogon is a genus of tropical and subtropical plants in the grass family. It is widespread across many parts of Asia, Africa, Australia, the Americas, and various islands.
Manisuris is a genus of Indian plants in the grass family. The only known species is Manisuris myurus, native to Tamil Nadu in Southern India.
Mnesithea, or jointtail grass, is a genus of Asian, Australian, and Pacific Island plants in the grass family.
Rhytachne is a genus of plants in the grass family. They grow principally in wet savannahs in Africa and the Americas. More specifically, they tend to prefer transitional zones between marshes and drier upland savannahs. In the Americas, the genus can be found from southern Mexico and Cuba south to northern Argentina, while in Africa it is present in Sub-Saharan Africa, including in Madagascar. Twelve species are included, of which nine are African, two are American, and one, Rhytachne subgibbosa, is found on both continents. The genus is closely related to Coelorachis.
Enydra is a genus of flowering plants in the Asteraceae, or daisy, family. They are native to the Asian, African and American Tropics and Sub-Tropics.
Caryota mitis, known as the clustering fishtail palm or fishtail palm, is a species of palm native to Tropical Asia from India to Java to southern China, now sparingly naturalized in southern Florida and in parts of Africa and Latin America. The species was originally described from Vietnam in 1790. In Florida, it grows in hummocks and in disturbed wooded areas.
Rottboellia cochinchinensis is a species of grass known by the common names Itchgrass,Raoul grass, corngrass, Kokoma grass, Guinea-fowl grass, jointed grass, Shamwa grass and Kelly grass. It is a tall, tufted annual grass whose stems (culms) grow up to 3 metres in height with leaf-blades of up to 45 centimetres in length. The species flowers at the apex of culms in the form of spike-like racemes composed of paired spikelets. The common name Itchgrass comes from the bristly (hispid) leaf-sheath which can be irritating to the skin.