epigeal

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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 ?
A relevant topic in the evolution of this group is the invasion of freshwater (Ashelby et al., 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.
Caine, "A comparative ecology of epigean and hypogean crayfish (Crustacea: Cambaridae) from northwestern Florida," American Midland Naturalist, vol.
carolinae thrives in epigean waters, the species is regarded as a stygophile and some individuals spend their entire life in underground streams (Burr et al., 2001).
PRELIMINARY STUDIES ON THE NATURAL HISTORY OF AN EPIGEAN CRAYFISH IN TUMBLING CREEK CAVE.
Senna reticulata has an epigean germination mode, with foliaceous cotyledons (Hladik & Miquel, 1990).
Early attempts to describe the spatial extent of hyporheic zones were based largely on the vertical and lateral distributions of epigean (derived from the surficial river bed environment) or hypogean (derived from the true groundwater environment) fauna.
(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).