Leaf apex type
- 1. Leas apex by Parmar Manishkumar Narsinhbhai Acute :- Gradually tapering to a point. Margins straight to convex forming a terminal angle 45 -900. e.g. :- China rose Acute :- Gradually tapering to a point. Margins straight to convex forming a terminal angle 45 -900. e.g. :- China rose Acuminate/Caudate:-Margins straight to convex forming a terminal angle of less than 450. Tip resembles a tail. Apex is drawn out into a long slender tail. Peepul, Lady’s umbrella (Holmskioldia) 11 22 Leaf Apex :- leaf apex is a protruding part of a leaf. Acuminate/Caudate:-Margins straight to convex forming a terminal angle of less than 450. Tip resembles a tail. Apex is drawn out into a long slender tail. Peepul, Lady’s umbrella (Holmskioldia) Apiculate :- The leaf blade ends in a short, sharp, flexible tip. Cuspidate :- The tip ends in a long, sharp (spiny) point (cusp). e.g. :- pineapple, datepalm, screwpine. Cuspidate :- The tip ends in a long, sharp (spiny) point (cusp). e.g. :- pineapple, datepalm, screwpine. Emarginate :- The apex has a deep notch. e.g., Bauhinia, wood sorrel (Oxalis) Emarginate :- The apex has a deep notch. e.g., Bauhinia, wood sorrel (Oxalis) •Mucronulate :- The tip is a short, sharp point called a mucro. •Mucronulate :- The tip is a short, sharp point called a mucro. 33 44 55 66
- 2. •Aristate :- Having a stiff bristle like awn at the tip. •Aristate :- Having a stiff bristle like awn at the tip. •Obtuse :- Apex is rounded or blunt. e.g. :- Banyan •Obtuse :- Apex is rounded or blunt. e.g. :- Banyan •Retuse :- Apex has a shallow notch (slight depression). e.g. :- water lettuce (Pistia) •Retuse :- Apex has a shallow notch (slight depression). e.g. :- water lettuce (Pistia) •Truncate :- The apex is square at the tip or quite straight across. •Truncate :- The apex is square at the tip or quite straight across. 77 88 99 1010 Type of leaf apex of leaf apex