antrorse


Also found in: Dictionary, Thesaurus, Medical.

antrorse

[′an‚trȯrs]
(biology)
Turned or directed forward or upward.
References in periodicals archive ?
15 mm apart from each other, uncinate, retrorse to antrorse, castaneous, glabrous.
5 cm, densely white-lepidote on both surfaces, glabrescent on the adaxial surface, pungent at the apex, the margin armed with yellowish curved antrorse and uncinate spines, 1.
5-12 mm, pale castaneous adaxially, pale green abaxially, densely and minutely lepidote on both sides; blades linear, some inconspicuously narrowed toward the base, 75-80 x 7-8 cm, green with sparse darker green spots, sparsely and inconspicuously white-lepidote adaxially, densely white-lepidote abaxially with trichomes not at all obscuring leaf color and sometimes forming sparse crossbands, apex acute and apiculate, margins densely (at apex) sparsely (toward the base) spinose; spines triangular, uncinate, antrorse, castaneous toward the apex, the basal ones 1.
5 mm wide at the base, 4-9 mm apart, the basal ones nearly straight, the upper ones distinctly uncinate, antrorse.