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Image Credit:Jenny Jonkka – with permission
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Image Credit: Jenny Jonkka CC BY-NC
Scientific Name: Rytidosperma semiannulare
Common Name: marsh wallabygrass
Family Classification (Clade): Monocots
Family: Poaceae
Form Description: Erect tufted perennial with ribbed leaf sheaths.
Height (m): 0.45 – 0.8
Flowers: 4-6 flowered spikelets.
Fruit: Caryopsis
Municipality
Plant Communities
Habitat Notes
Widespread in lowland areas, mostly coastal. Up to about 600m above sea level in open or semi-shaded situations (dry or moist).
Site Tolerance
Dry, Exposed, Moist, Shady
Propagation Calendar
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Flowering Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Seed Collecting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Sowing Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Cutting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Seed Information
Seed Collection
Seeds are found at the end of long stalks, which turn from green to off-white and dry as the seed matures. Each seed head produces numerous seeds. Seed released within 3-14 days of seed maturity, collect from late Nov to early Jan. Collect by cutting the stalks with secateurs, and rub seed heads between two rubber car mats (or hands for smaller amount) to extract. Store in jars, as mice are attracted to the seed
Seed Storage Life
At least several years
Seed Treatment Notes
May have an after-ripening period of 2-6 months. Good results when seed is fresh, and temperatures between 15-25°C. For some provenances of this species, fresh seed is not dormant but older seed becomes dormant.
Germination Time
3-5 weeks for non-dormant seed