Status:
valid
Authors:
(R.Br.) Benth.
Source:
wcs
Year:
1878
Citation Micro:
Fl. Austral. 7: 417 (1878)
WFO Identifier:
wfo-0000426949
Common Names
- Decomposing Gahnia
- Decomposing Cutty Grass
- Decomposing Sword Sedge
Description
Gahnia decomposita (also called Decomposed Saw-sedge, among many other common names) is a perennial grass-like plant native to Australia and New Zealand. It has a thick, black sheath at the base of the stem and its leaves are narrow and flat. It is found in wet areas such as swamps, marshes and along the edges of streams and rivers.
Uses & Benefits
Gahnia decomposita is used as an ornamental plant in gardens and as a natural insect repellent. It has anti-inflammatory and antispasmodic properties and can be used to treat anxiety, insomnia, and headaches.
Flower, Seeds and Seedlings
Flower: Gahnia decomposita has small, white flowers with a yellow center. Seed: The seeds of Gahnia decomposita are small, black and round. Seedlings: Gahnia decomposita seedlings are small and have a single stem.
Cultivation and Propagation
Gahnia decomposita can be propagated by seed or division. Seeds should be sown in spring in a cold frame and the seedlings transplanted to their permanent positions in late spring or early summer. Division is best done in spring or early autumn. Larger divisions can be planted out direct into their permanent positions, though it is best to pot up smaller divisions and grow them on in a cold frame until they are established.
Where to Find Gahnia decomposita
Gahnia decomposita can be found in the New South Wales, Australia.
Gahnia decomposita FAQ
What is the scientific name of Gahnia decomposita?
Gahnia decomposita
What is the common name of Gahnia decomposita?
Decomposing Gahnia
What is the natural habitat of Gahnia decomposita?
Gahnia decomposita is native to the Mediterranean region
Species in the Gahnia genus
Gahnia ancistrophylla,
Gahnia aristata,
Gahnia aspera,
Gahnia australis,
Gahnia baniensis,
Gahnia beecheyi,
Gahnia clarkei,
Gahnia decomposita,
Gahnia deusta,
Gahnia drummondii,
Gahnia erythrocarpa,
Gahnia filifolia,
Gahnia filum,
Gahnia grandis,
Gahnia howeana,
Gahnia hystrix,
Gahnia insignis,
Gahnia javanica,
Gahnia lacera,
Gahnia lanigera,
Gahnia marquisensis,
Gahnia melanocarpa,
Gahnia microcarpa,
Gahnia microstachya,
Gahnia novocaledonensis,
Gahnia pauciflora,
Gahnia procera,
Gahnia radula,
Gahnia rigida,
Gahnia schoenoides,
Gahnia sclerioides,
Gahnia setifolia,
Gahnia sieberiana,
Gahnia sinuosa,
Gahnia subaequiglumis,
Gahnia trifida,
Gahnia tristis,
Gahnia vitiensis,
Gahnia xanthocarpa,
Gahnia halmaturina,
Gahnia rodwayi,
Species in the Cyperaceae family
Abildgaardia mexicana,
Abildgaardia ovata,
Abildgaardia schoenoides,
Abildgaardia triflora,
Abildgaardia oxystachya,
Abildgaardia odontocarpa,
Abildgaardia macrantha,
Abildgaardia fusiformis,
Abildgaardia pachyptera,
Actinoschoenus repens,
Actinoschoenus yunnanensis,
Actinoschoenus aphyllus,
Actinoscirpus grossus,
Afrotrilepis jaegeri,
Afrotrilepis pilosa,
Amphiscirpus nevadensis,
Arthrostylis aphylla,
Arthrostylis planiculmis,
Becquerelia clarkei,
Becquerelia cymosa,
Becquerelia discolor,
Becquerelia merkeliana,
Becquerelia muricata,
Becquerelia tuberculata,
Bisboeckelera irrigua,
Bisboeckelera longifolia,
Bisboeckelera microcephala,
Bisboeckelera vinacea,
Blysmus compressus,
Blysmus mongolicola,
Blysmus rufus,
Blysmus sinocompressus,
Bolboschoenoplectus mariqueter,
Bolboschoenus caldwellii,
Bolboschoenus capensis,
Bolboschoenus fluviatilis,
Bolboschoenus glaucus,
Bolboschoenus grandispicus,
Bolboschoenus laticarpus,
Bolboschoenus maritimus,
Bolboschoenus medianus,
Bolboschoenus nobilis,
Bolboschoenus novae-angliae,
Bolboschoenus planiculmis,
Bolboschoenus robustus,
Bolboschoenus schmidii,
Bolboschoenus stagnicola,
Bolboschoenus yagara,
Bolboschoenus koshevnikovii,
Bolboschoenus biconcavus,
References
POWO record for urn:lsid:ipni.org:names:308579-1: Govaerts R (ed.). 2023. WCVP: World Checklist of Vascular Plants [Version 11]. Facilitated by the Royal Botanic Gardens, Kew. [WWW document] URL http://sftp.kew.org/pub/data-repositories/WCVP/ [accessed 20 April 2023].