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The petiole is a stalk that attaches a leaf to the plant stem. In petiolate leaves the leaf stalk may be long (as in the leaves of celery and rhubarb), or short (for example basil). When completely absent, the blade attaches directly to the stem and is said to be sessile. Subpetiolate leaves have an extremely short petiole, and may appear sessile.
Nepenthes petiolata (/ n ɪ ˈ p ɛ n θ iː z ˌ p iː t i oʊ ˈ l ɑː t ə /; from Latin: petiolatus "petiolate", referring to leaf attachment) is a highland Nepenthes pitcher plant species endemic to Mindanao island in the Philippines, where it grows at an elevation of 1,450–1,900 metres (4,800–6,200 ft) above sea level. [3]
Alliaria petiolata, or garlic mustard, is a biennial flowering plant in the mustard family (Brassicaceae).It is native to Europe, western and central Asia, north-western Africa, Morocco, Iberia and the British Isles, north to northern Scandinavia, [2] and east to northern Pakistan and Xinjiang in western China.
The petiolate leaves strongly resemble the leaves of the common plantain. Pursh himself observed that T. petiolatum "has leaves very much like Plantago major." [7] The scape is 4 to 17 cm (2 to 7 in) long but most of it remains below the surface since the rhizome is deep underground, presumably for protection.
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Pluricarpellatia peltata was an aquatic, rhizomatous, herbaceous plant with 5 mm wide rhizomes and 0.3-1.3 mm wide roots. The plant could exceed 25 cm in length. The thin, petiolate leaves have a smooth margin. The petioles were 5 cm long, and 3 mm wide. [1]
It is stemless. Leaves long petiolate, limb ovate-rounded base cordate, tip rounded above glabrous below villous, 7-nerved, villous petiole; villous shaft twice as long as the leaves, thin apex, numerous subcondensed spikes, almost spirally pedunculate and supported by glabrous elliptical scales, peduncles and spikes glabrous, bracts pelt round pedicelled in the center, anthers rounded than ...
The leaves are petiolate (stalked) with a length of 1–4 cm (0.4–1.6 in). The basal leaves are oblong, oval, lanceolate, lyrate, pinnatifid to dentate, 4–18 cm (1.6–7.1 in) long, 2–5 cm (0.8–2.0 in) wide. The cauline leaves are much reduced and are short petiolate to sessile but not auriculate-clasping.