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Noun1.Trapa - small genus of Eurasian aquatic perennial herbs: water chestnutTrapa - small genus of Eurasian aquatic perennial herbs: water chestnut
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
family Trapaceae, Trapaceae - family comprising solely the genus Trapa; in some classifications treated as a subfamily or tribe of the family Onagraceae
water chestnut, water chestnut plant, caltrop - a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
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References in periodicals archive ?
Tang, "Optimization of ultrasonic-assisted extraction of antioxidant polysaccharides from the stem of Trapa quadrispinosa using response surface methodology," International Journal of Biological Macromolecules, vol.
En su primer volumen de cuentos, La noche de la trapa (1965), este dialogo se presenta de forma transparente, porque tal como lo reconocio su autor, se trato de "un libro sincero", en el que no escondio sus influencias (Ortega, 2008, p.
Micropropagation of water chestnut (Trapa sp.) through local varieties of Rajshahi Division.
MARTIN O'NEI to be contacte Giovanni Trapa But the FAI's t to the dugout w hi h gh alert last "I'd like top co c ntact from th mo m re I can sa But the form sp s eculation l an approach And asked a return to f so s.
The second eastern North American species is Trapa alabamensis Berry from the Pliocene of the Citronelle Formation (Berry, 1914a, 1916b).
A number of highly invasive aquatic plant species are characterized by floating or emergent leaves (e.g., water chestnut Trapa natans, water hyacinth Eichornia crassipes, floating fern Salvinia molesta, water lettuce Pistia stratiotes, narrow leaf cattail Typha angustifolia), but there are relatively few studies of how these species affect oxygen concentrations in shallow lakes and wetlands (but see Frodge et al., 1990; Caraco and Cole, 2002).
The endangered plants found in El Kala include, in Lake Oubeira, Polygonum senegalense and Paspalidium obtusifolium; and in lake Tonga, cord-grass (Spartina patens), duckweed (Lemna trisulca), white water-lily (Nymphaea alba), lesser spearwort (Ranunculus flammula), Cardamine parviflora, and the water chestnut (Trapa bispinosa).
[25] reported that the C[O.sub.2] emission flux across the plant-free water surface (Trapa natans L.) (448.5 [+ or -] 10.6mmol [m.sup.-2] [d.sup.-1]) is about three times higher compared to a surface covered with water chestnut (147.1 [+ or -] 10.8mmol [m.sup.-2] [d.sup.-1]), thus the covering of water chestnut significantly reduced the C[O.sub.2] flux.
"If th up by somet to loo Coyl Trapa busin of of of o MMmmL " Coyle also told Giovanni Trapattoni to mind his own business after the Republic of Ireland boss told McCarthy he needs to move to a Premier League club.