Glossary [377] 



Lenticel. Corky growth on young bark which admits air to the 



interior of a twig or branch. 

 Linear. Long and narrow, with parallel edges. 

 Lobe. A somewhat rounded division of an organ. 

 Lobulate. Divided into small lobes. 

 Lustrous. Glossy, shining. 



Membranaceous. Thin and somewhat translucent. 



Midrib. The central vein of a leaf or leaflet. 



Monoecious. The stamens and pistils in separate flowers but borne 



on the same individual. 

 Mucro. A small and abrupt tip to a leaf. 

 Mucronate. Furnished with a mucro (bristle-tipped). 



Naked buds. Buds without scales. 



Nut. A hard and indehiscent, 1 -seeded pericarp produced from 



a compound ovary. 

 Nutlet. A diminutive nut or stone. 



Ob. Latin prefix signifying inversion. 



Obconic. Inverted cone-shaped. 



Oblanceolate. Lanceolate, with the broadest part toward the apex. 



Oblong. About three times longer than broad with nearly parallel 



sides. 

 Oblique. Slanting or with unequal sides. 

 Obcordate. Inverted heart shape. 



Obovate. Ovate with the broader end toward the apex. 

 Obovoid. An ovate solid with the broadest part toward the apex. 

 Obtuse. Blunt or rounded at apex. 

 Odd-pinnate leaf. Pinnate with a terminal leaflet. 

 Orbicular. A flat body circular in outline. 

 Oval. Broad elliptic, rounded at ends and about 1 Yi times as 



long as broad. 

 Ovary. The part of a pistil that contains the ovules. 

 Ovate. Shaped like the longitudinal section of an egg, with the 



broad end basal. 

 Ovoid. Solid ovate or solid oval. 

 Ovule. The part of the flower which after fertilization becomes 



the seed. 



Palmate. Radiately lobed or divided, veins arising from one 



point. 

 Panicle. A loose, compound or branched flower cluster. 



