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Descriptive Flora 



Grindelia inuloides Willd. Gum Plant. Sticky Head. 



Closely branching plants, 1 to 5 feet high, leafy up to the 

 sticky resinous buds or bright yellow composite flowers that are 

 about 1 inch across. Leaves simple, alternate. Blades rigid, 

 oblong to lanceolate, 1 to 2 inches long, sometimes obovate, close- 

 ly toothed to the partly clasping bases. Ray flowers 12 to 20, 

 about V2 " l° n g- Involucre of several series of numerous narrow, 

 sticky bracts with spreading green tips. March, April and May. 

 Roadsides and pastures. Prefers sandy soil. Named for 

 Grindel, a Russian botanist. 



Grindelia squarrosa (Pursh) Dunal Gum Plant. Sticky Head. 



Tall, stiff, simple stemmed plant, 2 to 3 feet tall, rarely 

 branched at the root, with spiny-toothed leaves and few, bright 

 yellow composite flowers, iy 2 to 2" across. Leaves simple, alter- 

 nate. Blades thick, oblong to ovate, slightly clasping at base, 

 few but spiny-toothed. Flowers have a sticky cup at base made 

 of numerous slender, resinous, spreading bracts. Buds resinous 

 and shiny. Ray flowers many, yellow, stiff, sticky, waxy. July 

 to fall. On dry limestone hillsides of the Edwards Plateau. 



HeterotJieca sub axillaris (Lam.) Britt. & Rusby. Camphor Plant. 



Sticky-hairy, branched plants with yellow composite flowers 

 about %" across and leaves that have a peculiar camphor-like 

 odor when crushed. Leaves simple, alternate. Blades lanceolate 

 to oblong, sparingly toothed, partly clasping at base. Involucre 

 holding the flower composed of numerous sticky bracts. Flowers 

 close at night and open in full sun the following morning. Sum- 

 mer and fall. Widespread, seeming to prefer roadsides and 

 waste places. 



Chrysopsis villosa var. canescens Gray. Golden Aster. 



Pale, leafy, hairy plants, 6 to 16" high, branched at the root, 

 and with yellow composite flowers about 1" across, growing singly 

 or in clusters at the tips of the leafy stalks. Leaves simple, 

 alternate. Blades greyish-green or silvery-grey, y 2 to 2 inches 



