epigeal

(redirected from epigean)
Also found in: Dictionary, Encyclopedia.

epigeal

(ĕp′ə-jē′əl) also

epigean

(-ən) or

epigeous

(-əs)
adj.
1. Living or occurring on or near the surface of the ground.
2. Botany Of or relating to seed germination in which the cotyledons emerge above the surface of the ground after germination.

epigeal

of or relating to seed GERMINATION in which the COTYLEDONS are carried above ground as the hypocotyl elongates, and form the first green foliage leaves of the plant. French beans (Phaseolus vulgaris) are epigeal.
References in periodicals archive ?
2012), since typically freshwater epigean palaemonids, such as Macrobrachium, are dependent to a certain degree of marine or brackish waters to complete their larval development.
carolinae have recently been described from Perry County, Missouri, that differ from epigean populations in relative eye size, amount of pigmentation, body shape, reduction in pelvic fin ray number, and enlargement of cephalic lateralis pores (Burr et al.
One strategy previously employed to locate the hyporheic/groundwater interface has been to separate the interstitial community into its epigean, hypogean, and hyporhean (fauna derived from the hyporheic zone) subunits.
1984, 1986b) demonstrated that fungal and bacterial biomass on POM was insufficient to meet the carbon needs of an epigean isopod.
Evolution and genetics of epigean and cave Astyanax fasciatus (Characidae, Pisces).
For example, crustaceans have been very successful with 12 orders present in the subterranean environment and the number of subterranean crustacean species may equal or exceed that of epigean ones in the same area; conversely, only a few of the huge number of freshwater aquatic insect families have subterranean representatives (Gibert and Deharveng, 2002).
Behavioral, ventilatory, and metabolic responses of the hypogean amphipod Niphargus virel and the epigean isopod Asellus aquaticus to severe hypoxia and subsequent recovery.
Seasonal assemblages of epigean arthropods in a quebracho forest (Schinopsis balansae) in the Humid Chaco
Toxicity and bioaccumulation of arsenic and chromium in epigean and hypogean freshwater macroinvertebrates.
lacustris commonly are in estuarine and brackish water or in transitional environments; their occurrence in this arid region is interesting because they can persist in extreme conditions and are strong colonizers of epigean aquatic environments (Fleeger and Chandler, 1983; Atilla, 2001).