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Storage Behaviour  1000 Seed Weight  Germination  Literature Cited

APG Clade: MONOCOTS - COMMELINOIDS
APG Order: Poales
APG Family: CYPERACEAE
Kew Family: CYPERACEAE
Genus: Cyperus
Species Epithet: esculentus
Species Author: L.
Life Form: tuber geophyte

Storage Behaviour

Storage Behaviour: Orthodox
Storage Conditions: 95 % viability following drying to mc's in equilibrium with 15 % RH and freezing for 3 weeks at -20C at RBG Kew, WP

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1000 Seed Weight

Average 1000 Seed Weight(g): 0.15
Details of Component Seed Weights:
  1. 0.19; (Stevens, 1932); Seed; Weight refers to air-dry seed.
  2. 0.13; (Shipley & Parent, 1991); Seed; Dry weight
  3. 0.0404; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  4. 0.164; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  5. 0.18124; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  6. 0.1908; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
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Germination

  1. 53 % germination (seeds sown: 15); germination medium: 1% agar; germination conditions: light 8/16; 20°C; 70 days; (RBG Kew, Wakehurst Place)
  2. 60 % germination (seeds sown: 15); germination medium: 1% agar; germination conditions: light 8/16; 35/20°C (Therm 8/16); 63 days; (RBG Kew, Wakehurst Place)
  3. 95 % germination (seeds sown: 19); germination medium: 1% agar; germination conditions: light 8/16; 25/10°C (Therm 8/16); 63 days; (RBG Kew, Wakehurst Place)
  4. 100 % germination (seeds sown: 52); germination medium: 1% agar; germination conditions: light 12/12; 25/15°C (Therm 12/12); 57 days; (RBG Kew, Wakehurst Place)
  5. 100 % germination (seeds sown: 53); germination medium: 1% agar; germination conditions: light 12/12; 30/20°C (Therm 12/12); 77 days; (RBG Kew, Wakehurst Place)
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Literature Cited
  1. Stevens, O.A. 1932. The number and weight of seeds produced by weeds. American Journal of Botany, 19:784-794.
  2. Shipley, B. and Parent, M. 1991. Germination responses of 64 wetland species in relation to seed size, minimum time to reproduction and seedling relative growth rate. Functional Ecology, 5:111-118.
  3. RBG Kew, Wakehurst Place.
  4. RBG Kew, Wakehurst Place; material provided by Chicago Botanic Garden (CBG), Illinois, USA.
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