petiole

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  • noun

Synonyms for petiole

the slender stem that supports the blade of a leaf

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References in periodicals archive ?
The leaves tend to be decussate on the lower stem (with opposite pairs, the succeeding pairs turned 180[degrees]), usually alternate near the stem apex, petiolate, palmately compound (except for small unifoliolate leaves at branch apices), with an odd number (3-13) of coarsely serrate, lanceolate leaflets.
Larger leaf sessile or shortly petiolate, petioles 0.1-0.3 cm long, sericeous; blade asymmetric, oblanceolate to narrow oblong, 8.5-27.0 x 2.8-7.6 cm, base oblique, apex acuminate, margin serrate, adaxially green, sericeous (5-10-celled trichomes) with sparse setulose, white unicellular trichomes, abaxially green or reddish, red or deep purple in the apical 1/3 or 1/5 of the foliar area, sparsely sericeous and more dense on the main veins, 11 (rarely 7-14) veins on the larger side of the blade.
in having the abdominal base somewhat to strongly petiolate, the first fore tarsomere elongate, the scutum elevated postsuturally, and three spermathecae (one very small, two large) with elongated basal ducts characteristically studded with numerous prominent outgrowths.
The leaves are petiolate, opposite, ovate, or toothed and either green or purple.
The plant has compound leaves, made up of leaflets which are arranged along with 2 to 6 opposite or sub-opposite pairs of petiolate and subsessileleaflets.
1, 2A, C, 3D): Pronotum petiolate, anterior lobe elongate and narrow, posterior lobe short with posterior margin concave.
australis is a many-branched shrub or a small tree, up to 4.0m high, rarely more, irregular crown leaves are petiolate, opposite, composed of seven (rarely five) to 13 leaflets, oval- lanceolate form, asymmetric, membranous, 4.0 to 7.5cm long, serrated margin, acuminate at the apex, and glabrous.
As for the remaining members of the genus, each scale has three hairs on its posterior margin; the central one is petiolate, longer and darker than the lateral hairs.
--Herb up to 100 cm tall; capitula up to 3(-3.5) cm long, cylindric-ellipsoid to ellipsoid; bracts up to 3.5 cm long, strongly cuspidate; basal leaves petiolate, narrow linear-oblanceolate to oblong-obovate, pinnatifid-dentate, undulate; cauline ones shortly petiolate to sessile ........................
Floating aquatic, roots absent; leaves 3, dimorphic, 2 green, sessile, entire, floating and I finely dissected, petiolate, rootlike, submerged; sporocarps chainlike on submerged leaf.