The Trees of Texas 161 



Stamens and pistils in different flowers on the same 



individual. 



Nectar. The sweet secretion of the flower. 

 Net-veined. With veins running in various directions and connecting 



with each other. 



Nut. A dry, hard indehiscent 1-seeded fruit with a stony shell. 

 Nutlet. A very small nut. 

 Obcordate. Reverse heart-shaped. 

 Oblanceolate. Lanceolate, tape-ring toward the base. 

 Oblique. Unequal, slanting. 

 Obovate. Egg shaped with tip downward. 

 Obovoid. Solid ovate with broader end toward apex. 

 Odd pinnate. With an odd leaflet at the end. 



Opposite. On opposite sides of the stem directly across from each other. 

 Oval. Broadly elliptical. 

 Ovate. Egg shaped. 

 Ovoid. Solid ovate. 

 Ovule. An immature seed. 



Palmate. Lobed or divided like the fingers of the hand. 

 Panicle. A loose compound flower cluster with the lower branches 



longer and blooming first. 

 Peduncle. The flower stalk. 



Perfect. A flower which has both stamens and pistils. 

 Persistent. Leaves which remain on the branches over the first year or 



a calyx which remains on or under the fruit as in the hawthorn 



or persimmon. 



Petal. One of the separate parts of the corolla. 

 Pinnae. The primary divisions of a bipinnate leaf. 

 Pinnate. A leaf which bears leaflets on both sides of a common petiole. 

 Pistil. The female organ of a flower, consisting of style, stigma and 



ovary. 



Pistillate. With pistils but without stamens. 

 Pith. The central cellular part of a stem. 

 Pod. A dry fruit with one carpel which splits along two sides. 

 Pollen. The yellowish dust contained in the anther. 

 Pome. A fleshy fruit with a papery core as the apple. 

 Puberulent. Slightly pubescent. 

 Pubescent. Covered with short soft hairs. 

 Pyriform. Pear shaped. 

 Raceme. An elongated flower cluster with all the pedicels about equal 



in length. 



Racemose. In a raceme. 



Rachis. The axis of a compound leaf or of a spike. 

 Regular. With all the members alike in shape and size. 

 Reniform. Kidney shaped. 

 Resinous. Bearing Resin. 

 Reticulate. Net-like. 

 Samara. A winged fruit. 



ll--Trees 



