glabrous


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Related to glabrous: glaucous

glabrous

[′glab·rəs]
(biology)
Having a smooth surface; specifically, having the epidermis devoid of hair or down.
References in periodicals archive ?
Clypeus wider than long (2.9:1.0), anterior border slightly sinuate, with margin clearly elevated, surface nearly flat, with dense punctures, glabrous. Frons wider than long (3.1:1.0), slightly convex, with irregularly distributed punctures, glabrous, 3.4x wider than 1 eye diameter.
Inflorescences simple, without vegetative leaves, mostly borne on leafy stems but occasionally on leafless stems, in axils of current leaves or after fall of the subtending leaf, 1.5-6 cm long, containing 6-8(12) flowers with the flowers decussate or distally in no consistent order, the axes densely and persistently velutinous or tomentose or occasionally loosely sericeous; bracts 1.5-5 mm long, triangular or ovate, abaxially tomentose, adaxially glabrous, eglandular; peduncle 1-3 mm long; bracteoles like bracts but smaller, 1-2 mm long, one of the pair usually bearing a large abaxial gland; pedicel 3-7 mm long.
tricholepis, and differs by the shorter, slender stems, and narrower leaves with 3-nerved sheath, 1-nerved bracts (both peduncle and flower), inflorescence always 1flowered, with a very reduced peduncle which does not elongate with fruit ripening, and a glabrous floral bract, shorter than the sepals.
Movable finger completely glabrous on both sides except for a few hairs on lateral portion, second podomere with numerous hairs on both sides.
Leaves alternate; subsessile; blades elliptic to ovate, threeveined, margin entire to minutely dentate, glabrescent to glabrous above, floccose to dense-arachnoid beneath.
Tree 10-15 m tall, small young branches yellowish gray to purplish brown, mature branches yellowish gray to yellowish brown, Stipule caduceus, linear lanceolate, apex acuminate, young petiole densely hairy, soon hairless; leaf blade ovate to broadly ovate, glabrous or thickly hairy when young, soon glabrescent, base rounded or sub-cordate or sometime cordate, lustrous green above, margin long spinulose serrate, apex shortly acuminate or long tapering acute apex.
Mentum: lobes very rounded with large punctuations and pubescent; small scars, glabrous; median area shiny, smooth and glabrous, protruded, forming a very accentuated convexity at median-superior area.