Common name: Plume Rush, Australian Reed
Baloskion tetraphyllum subsp. tetraphyllum (Labill.) B.G.Briggs & L.A.S.Johnson APNI* Synonyms: Restio tetraphyllus Labill. subsp. tetraphyllus APNI*
Description: Dioecious perennial herb; rhizome shortly creeping, up to 10 mm diameter.
Culms with numerous, whorled, finely divided lateral sterile branches; culms erect, usually 50–160 cm high, c. 1.5–5 mm diameter. Sheaths closely appressed, 15–30 mm long; lamina absent ot to 15 mm long on juvenile shoots.
Inflorescence with 15–200 spikelets. Male spikelets 4–7 mm long; flowering glumes 2.8–3.7 mm long. Female spikelets 8–10 mm long; glumes c. 4.5–6 mm long.
Distribution and occurrence: South from Disaster Bay. Also in Vic, Tas, SA. Grows in swampy places and on river banks.
NSW subdivisions: SC
Other Australian states: Vic. Tas. S.A.
Text by A. L. Quirico & B. G. Briggs (1993); edited B Wiecek; edited KL Wilson (Feb 2016)
Taxon concept: Flora of NSW 4 (1993) (as Restio tetraphyllus subsp. tetraphyllus)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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