from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Shaped like a kidney: a reniform leaf.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Shaped like a kidney, with the petiole attached at the notch.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the form or shape of a kidney
from The Century Dictionary and Cyclopedia
- Having the form or shape of the human kidney; kidney-form; bean-shaped; in botany (when said of flat organs), having the outline of a longitudinal section through a kidney (see cut under kidney-shaped).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (of a leaf or bean shape) resembling the shape of kidney
A characteristic morphologic feature of hair in this syndrome is a triangular to reniform to heart shape on cross-sections, and a groove, canal or flattening along the entire length of the hair in at least 50% of hairs examined by scanning electron microscopy.
In the USA, several species of nematodes are also of importance, in the southern states five species of root-knot nematodes (Meloidogyne spp.) cause considerable losses, while the reniform nematodes (Rotylenchus reniformis) also cause severe damage in some areas.
Fore wings very acute; exterior border extremely oblique; reniform mark brown, very slender.
Fore wings acute; orbicular mark black, punctiform; reniform narrow, brown, bordered, excavated on the outer side; exterior border slightly convex.
Fore wings slightly hooked, with an interior undulating blackish-brown line; orbicular mark black, punctiform; reniform white, black-bordered, forming a triangular spot and an anterior point; a small exterior white costa, with mark.
Fore wings rectangular at the tips; exterior border slightly bent; its fore part not oblique; orbicular and reniform marks indistinct.
Fore wings slightly rounded at the tips, very oblique along the exterior border; a blackish band near the base, abbreviated hindward; a large blackish spot on the reniform mark, and a diffuse blackish spot near the tip of the costa; exterior and submarginal lines brown, double, denticulated, with the space along their borders somewhat clouded.
Fore wings with the speckles mostly confluent in the disk, mostly wanting along the interior and exterior borders; several black and brown speckles, some of which border the large reniform mark.
It takes place normally, to a slight extent, in certain cultivated forms of cotton, wherein the seeds are aggregated together into a reniform mass, whence the term kidney cotton.
The flowers are one-petaled, purple, and produced on short stems in the axils of the branches; the fruit is often somewhat oblong, but exceedingly variable in form, size, and color; the seeds are small, yellowish, reniform, flattened, and retain their germinative properties seven years.