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Paradoxa Grass

Scientific Name
Phalaris paradoxa
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Liliopsida: Cyperales: Poaceae)
Reliability
High
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Diagnostic Notes
Pictured: Fruit and Floret(s)

Description:

Fruit Appendages: Sharp tip, Awn, Deciduous accessory branch structures

Fruit Colour: Variable - Straw coloured, yellow, striped

Fruit Length: 3 - 5mm

Fruit Shape: Florate

Floret Colour: Variable - Straw coloured, yellow, striped

Floret Length: 2.1 - 4mm

Floret Sculpture: Smooth

Floret: Shape: Tear-drop

Tufted annual to 1 m high.

Leaves with sheath striate, lightly scaberulous, the uppermost usually much inflated around the base of the panicle; ligule thinly membranous, 3–5 mm long; blade 2–9 mm wide, scabrous, sometimes slightly glaucous.

Panicle partly enclosed in sheath, 2–9 cm long, dense. Spikelets usually falling in groups of 7, usually with 6 sterile spikelets clustered about a single fertile spikelet; sterile spikelets very variable, unequal. Glumes of the fertile spikelets subequal, 5.5–8.5 mm long, to 7-nerved. Sterile florets of the fertile spikelet represented by scale-like, glabrous projections at the base. Fertile lemma 2.5–3.5 mm long, hardened, pallid, shining.

Source: Seed Web Links

PlantNET - FloraOnline
More Information
Author
Clare McLellan
Created
10/10/2011 04:09 AEST
Last Updated
17/01/2013 10:03 AEST
Citation
Clare McLellan (2011) Paradoxa Grass (Phalaris paradoxa ) Updated on 1/17/2013 10:03:05 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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