coriaceous


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to coriaceous: adumbrations

coriaceous

[¦kȯr·ē¦ā·shəs]
(biology)
Leathery, applied to leaves and certain insects.
References in periodicals archive ?
5 cm long, coriaceous, irregularly spreading or deflexed, dehiscent, oblong, straight, subterete.
4 mm wide), alethopteroid, entire-margined pinnules, certainly coriaceous with thick lamina and indistinct venation (Fig.
The abdomen of many species is coriaceous or has a poorly delimited scutum (E.
Aegilops glumes are coriaceous, rounded on the back (no distinct keel present, as in the case of Triticum), toothed and/or 1 to 5 awned.
In this work, the pulverization of coriaceous engineering plastics, PA6, were examined and ultra-fine PA6 particles with average particle size of 50-80nm were prepared through pan-mining, exhibiting the unique superiority of this equipment over conventional equipment and the potential industrial prospect in preparing polymeric ultra-fine powder.
Testudo coriaceous Pennant, 1769; Chelone coriacea: Brongniart, 1805; Dermochelys coriacea: Blainvill, 1816; Coriudo coriacea-.
The adults are easily recognized by their coriaceous (leathery), scaleless carapaces (shells).
whatever its flaws, was never intended as anything other than a checklist useful to learners of the language (in supplement to his Grammar, of course); given the coriaceous exterior (and cost) of Werba's work, Whitney's is likely to continue in such employ for the foreseeable future.
8 cm long; extrafloral nectaries 2, ovoid, ovoid-ellipsoid, occasionally ellipsoid-fusiform or short stipitate, sessile, located between all pairs of leaflets, 9-20 x 8-13 mm; leaflets 2 pairs, coriaceous, rough, pubescent, the distal 21-94 x 6-29 mm, the proximal 17-70 x 8-28 mm, elliptic, ellipticoblanceolate and ovate, venation brochidodromous, nervures 8-14 pairs, apex acute, emarginate and obtuse, base subcordate-oblique, margin revolute, ciliated.
There are glumes ovate, obovate or elliptic, with an obtuse or acute (more rarely emarginated) apex, membraneus or coriaceous, thin or thick.
2 cm long, terete in cross-section, with a pair of glands at base of petiole, glabrous, covered with a dense clusters of scales (more evident when dry); blade ovate to elliptic, 9-27 x 5-12 cm, coriaceous, green adaxially, light green abaxially, apex acuminate, base cuneate to rounded, sometimes oblique, margin with scattered small teeth, glabrous adaxially, glabrate and with minute punctations abaxially, 4-5 pairs of main lateral veins, higher order of venation only evident abaxially.