The leaves with stipules are called stipulate leaves and the leaves without stipules are called ex-stipulate leaves. The term acute is most often applied to apices, but it is sometimes used for bases where it refers to a wider base than cuneate. An angle that is less than 90º with straight lines and having a point. Leaf blade: The broad, expanded part of a leaf. ... A heart shaped leaf with a sharp apex. Simple: The leaf may be lobed or divided, but does not form distinct leaflets. Examples : Castanopsis indica, Quercus dentata (Fagaceae) etc. leaf blades dull or barely sublustrous, and flowers and fruits solitary or in solitary, peduncled cymes on the branchlets of the current season (vs. Trees having a leaf that is pinnately compound will have leaflets growing from several places along the stalk or rachis—there can be as many as 21 leaflets and as few as three. For example, in table T the rows with a KEY of 'config' and 'ctx' have descendents (children and grandchildren) and are therefore not leaf nodes in that context. This is an example of a decompound leaf structure, meaning it is divided three or four times. Compound Leaf. Cordate Leaf. Compound: The leaf is separated into distinct leaflets, each with its own small petiole (but without an axillary bud). Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. A cordate leaf has the base rounded in the shape of a heart. The entire margin leaf has no serrated edges, and is composed by one continuous, smooth surface around the whole edge of the leaf.. The leaf is attached to the stem by the leaf base (hypo-podium) and may bear two lateral small leaf-like structures called stipules. They range in size from 28 mm to 100 mm with females usually being larger than males. This kind of leaf edge can come in several shapes such as linear (picture), deltoid, eliptical, ovate and more. Acute Leaf Apex. The Leaf insect inhabits rainforests in South Asia, islands of the Indian Ocean, and Australia. McSush/Wikimedia Commons/CC BY 3.0. Leaf insects (Phyllium philippinicum) have broad, flat bodies and appear as leaves. I. aquifolium, with the leaf blades highly lustrous, especially adaxially, and flowers and fruits usually clustered, produced from the axils on branches of the previous season). 11. Leaf margins-The shape of the margin of leaf lamina or leaf blade is dependent on the extent to which the leaf blades are subject to varieties of incisions, cuts or irregularities or completely free from them. Studying leaf shape and the arrangement of leaves on a stem is the most common way of identifying a tree in the field during the growing season. A leaf with many notches. 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