coriaceous


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coriaceous

(kôr′ē-ā′shəs, kŏr′-)
adj.
Leathery in texture: coriaceous leaves.

coriaceous

(of plant structures) having a leathery appearance.
References in periodicals archive ?
quercusvirens the body is light brown, F1 of female antenna longer than F2, the mesoscutum coriaceous in the anterior half, notauli incomplete; 2nd metasomal tergite smooth, shiny, while in D.
36 in number, spreading, coriaceous, forming a dense round rosette; sheaths inconspicuous but broader than the blades, very densely spinulose, inconspicuously and sparsely punctulate-lepidote, greenish-white toward the base; blades narrowly sublinear-triangular, long acuminate-caudate, 25-40 cm long, 1.3-1.5 cm wide at base, not at all canaliculate, ca.
Perigynia 2.5-3.2 mm long, 0.8-1.3 mm wide, ascending, trigonous, with elliptic-ovate sides, coriaceous, reddish brown, glabrous, the margins smooth, 2 lateral veins prominent and 12-16 weaker veins, sessile or nearly so, tapered into a beak; beaks 0.6-0.9 mm long, glabrous, the margins smooth or sparingly scaberulent, bidentate, with stiff teeth up to 0.4 mm long and scaberulent within.
Metasoma coriaceous. Posterior margin of Mt2 with strong medial incision, posterior margin of Mt3-Mt5 with slight medial incision.
Median tergite 1 is usually rugulose to weakly coriaceous anterior to spiracles and smooth posterior to spiracles or entirely smooth (97.7%, n = 45) in C.
Leaves at flowering 5-6, little developed, erect, coriaceous, linear, the 1-2 lowermost sheath-like, the largest 11-21 x 0.3-0.6 cm, articulate, articulation 2-3 cm from the apex of the pseudobulb, apex acuminate, leaves fully developed not examined.
Opposite decussate leaves; glauco-pruinose, specially in the adaxial face, varying in size and shape; ovate blade (or ovate-lanceolate, ovate-elliptic, ovate-oblong, ellipticoblong, (4-) 5.5-9 (-12) cm long and (2.5-) 3.5-5 (-7) cm wide, coriaceous; Acute or obtuse apex (sometimes acuminate); cordate base; margin entire, fimbriate; venation mix craspedodromous, inconspicuous at the adaxial face.
Metasoma: first tergum with basal width 0.6 the apical width; apical width almost equal to the length, longitudinally rugose basally (Figure 6); second tergum rugose-costate, third tergum costate basally and coriaceous apically, remainder of terga weakly coriaceous; ovipositor as long as body.
The shrimp were easily collected among the coriaceous leaves of the plant, which possibly provide shelter for the animals.
Leaves petiolate, somewhat glaucous on both surfaces and thickly coriaceous, dull green above and paler below, producing a slightly ciliate fracture visible only with a hand lens when broken perpendicular to the midvein; petioles broad, 8-15 mm long, 3-44 mm wide; lamina obovate to ovate, occasionally slightly asymmetrical, (10) 12-14 (18) cm long, (5) 5.5-7 (8) cm wide, basally obtuse, apically acute to obtuse with a poorly developed mucro and revolute margins and 4-8 medium to large hypophyllous glands per side in a row 12-17 mm from the margin; midvein obscure or slightly impressed above, subprominent below, the lateral veins obscure on both surfaces.
Male: fore wing (Figure 19) length 4.9 mm; lower face without a median vertical carina extending from apex of clypeus to median ventral margin of carina around facial shield (Figures 1, 2); shield-shaped lower face with coriaceous microsculpture (Figures 2, 3); maxillary palp with second palpomere weakly swollen subapically, strongly clavate; interantennal lamella long, with rugose sculpture (Figure 4), extending about 0.6 of way to median ocellus, tapered, strongly concave and with upper end truncate and free from frons (Figures 1, 4); frons with little median prominence; lateral ocellus separated from eye by slightly less than its own maximum diameter.
Wings are coriaceous with entire to undulate margins and are supplied with closely spaced radiating striae, without a fimbrial vein.