petiole

(redirected from petiolate)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

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 ?
Relatively large Taeniapterinae (11-16 mm), with abdomen strongly to weakly petiolate. Head: Arista bare; clypeus strongly convex, entirely microsetulose; palpus parallelsided, densely microsetulose, with a few small setulae, but lacking outstanding setae; lower frons flat, projecting slightly anterior to eyes, supra-antennal shelf distinct; frontal vitta with small, elevated area restricted to upper 1/2; lower 1/2 of frons flat with straight margin; 2 pairs of fronto-orbital setae, posterior pair usually at or behind level of ocelli.
According to Young (1952), this genus is characterized by hind wings with vannal veins completely fused, submarginal vein absent at wings apex; fore wings with short, triangular, petiolate third apical cell embracing entire wing apex (Figs.
Noxious Downy brome Bromus tectorum Invasive Field bindweed Convolvulus arvensis Noxious Field sowthistle Sonchus arvensis Noxious Garlic mustard Alliaria petiolate Invasive Hoary cress, whitetop Cardaria draba Noxious Japanese honeysuckle Lonicera japonica Invasive Japanese knotweed Polygonum cuspidata Invasive Johnsongrass Sorghum halepense Noxious Kudzu Pueraria montana Invasive var.
Of particular interest, because of its large recovered size, is a petiolate stem that shows 12 fibres/linear cm near the top and 14-15 near the bottom, and which has rare remnants of a coalified-stem compression 10-13 cm long (Fig.
To worship the arachnid e-glandular hairs that tangle to a snow-white density the abaxial surface of the lanceolate, cauline, petiolate leaves In the reductionism it is still possible to see the wonder That the beautiful exclusive terms define so precisely.
Basal and lower leaves of Flint are spatulate in shape, very weakly lobed with weakly crenate margins and sessile to weakly petiolate.
Herb with succulent, quadrangular, strigose stem to 50 cm long; succulent leaves sessile to shortly petiolate, blade spatulate, 8-27 cm long, 4.5-10.5 cm wide, lateral veins 19-23(-26) pairs, prominent abaxially; inflorescence axillary, cymose, flowers 4-22; fruits red, subglobose, calyx lobes linear, 3-4 mm long, 0.1-1.2 mm wide.
The species of this genus are geophytic bulbous plants, with petiolate lanceolate leaves and scapose, pseudo-umbellate inflorescences of tubular flowers with different patterns of red, pink or yellow and green (Meerow, 1990).
Macroscopic characters Leaves are simple, entire, ovate, 5-30 mm, gland-dotted, apex acute, or obtuse, with scattered hairs, petiolate. Microscopical characters Trichomes, green oval cells, epidermal and parenchymatous cell, and pollen grains are present.
In the European and North American faunas, Allantinae can be clearly identified by possession a fully developed (closed) and barely medially constricted fore wing anal cell, which in Blennocampinae is basally reduced (open, or petiolate), except in Lycaotini (Goulet 1992), where it is complete but strongly constricted.