elater


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elater

  1. a cell in which the wall is reinforced by spiral bands of thickening whose function is to assist in the discharge of spores in liverworts in response to high humidity.
  2. an appendage of horsetail spores, whose function is similar to (1).
References in periodicals archive ?
Key words: Allactaga elater, Allactaga toussi, cox1, cytb, molecular phylogeny
an ever bubbling fountain in the center of the soul, an elater [i.e., drive or to drive] or spring of motion" (p.
Alli se distancia explicitamente del elater animi, de los motores (7).
4 05-05 to 06-23 Elater abruptus Say 2 07-21 to 07-30 Hemicrepidius bilobatus (Say) 7 08-06 to 08-18 Hemicrepidius memnonius (Herbst) 8 07-15 to 08-12 Lacon discoidea (Weber) 2 06-16 Melanotus castanipes (Paykull) 2 06-03 to 06-09 Melanotus morosus Candeze 1 07-07 Melanotus sagittarius (LeConte) 1 05-26 Melanotus similis (Kirby) 13 06-03 to 09-22 Melanotus sp.
Short Tailed Gerbil Desmodillus auricularis, Nel 1967; Pouched Mouse Saccostomus campestris, Ellison 1993; Small Five-toed Jerboa Allactaga elater, Williams's Jerboa A.
The elaters of hornworts are morphologically more diverse than those of liverworts and can be rounded or elongate, sometimes branched, unicellular or multicellular, with irregularly thickened walls or with a discrete spiral band.
Spores are unicellular or pluricellular due to endosporous germination and elaters have 1-2(-3) brown spirals.
Each Equisetum spore has four strap-like structures called elaters attached to the spore surface at a common point (Hauke, 1963).
Motile--Self-propelling, as spores or sperms, by means of cilia or elaters.
Fossombronia fernandeziensis is an uncommon Andean species that is characterized by: 1) leaves distinctly longer than wide, plane or slightly undulate, margins entire, bordered by elongate cells; 2) tubers produced at shoot apex; 3) plants monoicous, antheridia and archegonia scattered; 4) outer spore surface densely lamellate, margin with (18-)21-28 spines; 5) elaters with 2 spirals (Freire 2002).