petiole

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Related to petiolar: petioled

petiole

1. the stalk by which a leaf is attached to the rest of the plant
2. Zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants

petiole

[′ped·ē‚ōl]
(botany)
The stem which supports the blade of a leaf.
References in periodicals archive ?
Leaves blades membranaceous; petiolar portion 1-10 cm long; bracteoles membranaceous, 3-5-nerved, long-aristate ...
(7) Mandible with scattered coarse punctures that unite to some degree, forming poorly defined rugulae, mandible shorter than head length (MI 59.61); fine carina present on anterior medial raised area of clypeus; posterior border of petiolar node (seen from above) with depression medially; fourth abdominal segment sculptured, covered with shallow foveolae ...
It is also consistent to the fact that the renewal shoots of Mahonia, which do not have constraints in the apical meristems, develop more complex cataphylls, formed of a leaf base, a short petiolar region, and a vestigial compound lamina (Fig.
Petiole adaxially grooved, 8-18 mm long, glabrous to lightly puberulent, petiolar glands absent.
Trait observations: A total of 17 vegetative traits, such as anthocyanin intensity on shoot tip, cold resistance of buds, bud break time, young leaf upper surface color, young leaf upper surface hairiness, young leaf lower surface color, mature leaf lower surface hairiness, mature leaf upper surface appearance, mature leaf form, mature leaf shape, mature leaf contour, shape of petiolar sinus, sinus width on mature leaf, dentation of mature leaf, petiole color, petiole hairiness and cane color was recorded.
6); anterior part ofhead, especially in the region in front of the eyes with a few indistinct fossae; lower portions of sides of mesosoma and petiolar peduncle, in front and behind, minutely and densely punctulate A.
Petiolar node elongated, more than twice longer than wide.
Petiolar application of NPA, an auxin membrane transport inhibitor, increases the concentration of endogenous auxin in the bean leaf blade distal to the site of application.
The latter figure is probably biased, as between petiolar locations "4" and "7" (Fig.
Nero d'Avola shoots are long and reddish on the sun-exposed surfaces, and the petiolar sinus is overlapping.
Petiole with long peduncle and with a well-defined high node; petiolar spiracle half of petiolar length.
Light brown, medium sized, head slightly longer than broad, sides slightly convex, vertex deeply convex in the middle, in lateral view, mesonotum narrowly produced, propodeal spines very long, surpassing petiolar length; head, mandibles, promesonotum, coxae, dorsum of petiole and postpetiole and gaster smooth and shining, mesopleuron and propodeum reticulate, sides of petiole and postpetiole finely reticulate; except for appendages, body completely lacking pilosity.