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Having a rachis that extends beyond the leaf blade or leaflets into a long whip-like extension or cirrus (common in climbing palms); antonym: ecirrate: cordate, cordiform: cordatus: whole leaf or base: Heart-shaped, with the petiole or stem attached to the notch cuneate: cuneatus: leaf base: Triangular, wedge-shaped, stem attaches to point ...
3. A type of vernation of two leaves at a node, in which one half of each leaf is exposed and the other half is wrapped inside the other leaf. corcle A plant embryo, plumule, or plumule plus radicle. cordate Heart-shaped, with the notch lowermost; of the base of a leaf, like the notched part of a heart.
The marginal lobes, which are the leaf-like structures around the edge of the thallus, can be up to 5 mm broad and are often raised at the margins and wavy with irregularly incised (cut or notched) edges. [14]
Leaf petioles are 0.8–9.4 mm long. Leaf blades are 1.9–9.4 mm long by 1.1–6.3 mm wide (length: width ratio 1.2–2.0: 1), usually narrowly to broadly ovate or obovate, widest below or above the middle, with a rounded apex, cuneate base, and trilobed or with up to 4 irregular notches or teeth.
Leaf petioles are 4.5–33.7 mm long. Leaf blades are 4.0–14.9 mm long by 4.6–12.3 mm wide (length: width ratio 0.8–1.1: 1), very broadly ovate or circular, widest at or below the middle, with a rounded apex, truncate or slightly cordate base and smooth or irregularly notched edges.
Leaf petioles are 1.8–5.0 mm long. Leaf blades are 4.7–10.6 mm long by 3.0–8.4 mm wide (length: width ratio 1.2–1.5: 1), usually narrowly to broadly obovate or spathulate, widest above the middle, with a rounded apex, attenuate base and smooth edge (or sometimes with few irregular notches).
Replacement of a tap root system by a fibrous root is seen in onions, tuberose (Polyanthes tuberosa), grasses, etc. Fibrous roots from normal-stem nodes are seen in grasses like maize, sugarcane, bamboo, etc. Fibrous roots from nodes help in the survival of the plant and thus in vegetative reproduction, when the plant's base is damaged or cut ...
These stipules have a lobe on one side only, are velvety in texture, broadly ovate in shape with the upper portion deltoid-ovate and ending in an acute tip, are (7-)10–13mm in length, (3-)5-6(-9)mm in width, and eventually fall off as the leaf matures. [6] [10] [11] The leaves have 20-40 leaflets which have a single rib or raised vein below.