| Giles' flat-sedge | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Cyperus |
| Species: | C. gilesii |
| Binomial name | |
| Cyperus gilesii | |
Cyperus gilesii, commonly known as Giles' flat-sedge, [1] is a sedge of the Cyperaceae that is native to Australia.
The annual or perennial sedge has a slender tufted habit. It has smooth trigonous or triquetrous shaped culms that are typically 10 to 35 cm (3.9 to 13.8 in) in height with a diameter of 0.8 to 2 mm (0.031 to 0.079 in) diameter. [2]
The septate to nodulose leaves are shorter than the culms and have a width of about 4.5 mm (0.18 in). The sedge flowers in spring and summer producing simple inflorescences with one to five branches that have a length of around 6 cm (2.4 in). The dense flower clusters are subdigitate with a hemispherical to globose shape and a diameter of around 50 mm (2.0 in). There are one to three leaf-like involucral bracts. There are many flattened spikelets per cluster that have a length of 10 to 30 mm (0.39 to 1.18 in) and a width of 2.5 to 4.5 mm (0.098 to 0.177 in) containing 8 to 34 golden brown to red-brown flowers. After flowering a trigonous very narrow-ellipsoidally shaped red-brown to grey-brown nut forms that has a length of 2.0 to 5.0 mm (0.079 to 0.197 in) and a 0.3 to 1.0 mm (0.012 to 0.039 in) diameter. [2] [1]
The species was first formally described by the botanist George Bentham in 1878 in the work Flora Australiensis . [3] The specific epithet honours the explorer William Ernest Powell Giles who led five major expeditions throughout central Australia. [1]
C. gilesii is found throughout Australia. It is common throughout Queensland, northern South Australia, northern New South Wales and eastern parts of the Northern Territory. [4] [1] In Western Australia it only occurs only rarely in the Pilbara region. [5] It is often situated ephemerally wet situations, including inland stream and river banks, floodplains and roadside drains. [2]
Machaerina rubiginosa, commonly known as soft twig rush, flat leaf twig rush or common twig rush, is a flowering plant in the sedge family, Cyperaceae, that is native to Asia and the Pacific.
Carex pumila, commonly known as strand sedge or spreading sedge, is a species of sedge of the family Cyperaceae.
Cyperus alterniflorus, commonly known as umbrella flat-sedge, is a sedge of the family Cyperaceae that is native to Australia.
Cyperus compressus, commonly known as annual sedge, is a sedge of the family Cyperaceae that has a wide distribution throughout countries with warmer climates. It is found in tropical areas of Africa, Asia and the Americas.
Cyperus congestus, commonly known as dense flat-sedge or clustered flat-sedge, is a sedge of the family Cyperaceae that is native to southern Africa mostly in South Africa, Lesotho and Namibia.
Cyperus dactylotes is a sedge of the family Cyperaceae that is native to Australia.
Cyperus flaccidus is a sedge of the family Cyperaceae that is native to Australia.
Cyperus javanicus, also known as the Javanese flatsedge, is a sedge of the family Cyperaceae that is native to Indonesia and Australia.
Cyperus nutans is a sedge of the family Cyperaceae that is native to Australia, and to China, India, Bangladesh, south-east Asia, Malaysia, India, and Indonesia.
Cyperus pygmaeus, also known as dwarf flat sedge, is a sedge of the family Cyperaceae that is native to Australia.
Cyperus rigidellus is a sedge of the family Cyperaceae that is native to Australia.
Cyperus vaginatus, commonly known as stiff-leaf sedge or stiff flat-sedge, is a sedge of the family Cyperaceae that is native to Australia.
Cyperus victoriensis, also known as channel nut grass is a sedge of the family Cyperaceae that is native to Australia.
Cyperus vorsteri is a sedge of the family Cyperaceae native to southern Africa.
Cyperus zollingeri, commonly known as roadside flatsedge, is a sedge of the family Cyperaceae that is native to tropical areas of Australia, Africa and Asia.
Fimbristylis littoralis, commonly known as lesser fimbry or lesser fimbristylis, is a sedge of the family Cyperaceae that is native to many countries in Africa, Asia and Oceania including across much of northern Australia.
Cyperus dubius, the soft sedge, is one of around 700 species of Cyperus in the sedge family, Cyperaceae. It is found throughout in tropical Africa, South India, and Indo-China to Malesia. It is growing in seasonally flooded areas and in pockets of soil in rocks. It is not confined to wetlands and is sometimes found as a weed in fields and near in sea on sandy beaches and also seen in open shady places.
Rhynchospora inexpansa, commonly called nodding beaksedge, is a species of flowering plant in the sedge family (Cyperaceae). It is native to North America, where it is found in the southeastern United States and West Indies. Its typical natural habitat is in moist meadows, flatwoods, and pond edges. It is a weedy species that responds positively to ecological disturbance.
Lepidosperma canescens is a sedge of the family Cyperaceae that is native to south-east South Australia and Victoria. There are no synonyms.
Carpha alpina, commonly known as small flower-rush, is a tufted perennial sedge from the family Cyperaceae. It is found primarily in south-east Australia and both islands of New Zealand, but also in Papua New Guinea.