TYPES OF SIMPLE LEAVES
Elliptical Acute Tip Coarsely Serrate (toothed) Margin Lobed Rounded Pointed Oblong Crenate Margin Midrib Ovate Acuminate Tip Notched Margin Truncate Base Linear Heart Serrate Margin More than one main vein at the base Sickle Obovate Doubly Serrate Margin veins united near margin
COMPOUND LEAVES
Pinnate odd leaflet Palmate Twice Pinnate leaflet
KEY TO NATIVE WOODY PLANTS OF DALLAS COUNTY
Based Principally On Leaves
Numbers below 200 refer to the key,
above 200 to the guide ([p. 20]).
1. Leaves evergreen [2] 1. Leaves deciduous [7]
2. Leaves pinnately compound [71] 2. Leaves not pinnately compound [3]
3. Plants with very thick, fleshy, flattened, leaf-like stems, usually covered with many prickles prickly-pear cactus [269] 3. Leaves not very thick and fleshy and not prickly except at tips [4]