Asteraceae of Louisiana

1.5 mm wide 4.5 mm long 5-toothed acuminate acute acute-acuminate Amer anthers apex apices Aster Asteraceae basal leaves base baseward bisexual cauline leaves Central flowers chaffy ciliate cm long cm tall cm wide Compositae Coreopsis corolla tube corolla white corolla yellow Cronquist 1980 cuneate cymes deciduous densely Disk flowers elliptic Eupatorium filaments genus glabrate glabrous hairy Heads radiate Helianthus herbs hispid hispidulous inflorescence inner phyllaries Involucre Involucre campanulate lanceolate leaf Leaves alternate Leaves basal Leaves cauline ligule limb lobes long and 1.5 lower leaves midstem leaves mm wide Nutt oblanceolate oblong obtuse outer phyllaries ovate Pappus awns Pappus bristles Pappus scales Parish peduncles Perennial permission petiole pinnatifid pistillate Plants pollen grains spinulose pubescent purple ray corolla Ray flowers Receptacle receptacular bracts resinous-glandular rhizomes Rhodora sessile Solidago sparsely species staminate stems solitary style branches subtended taprooted teeth terminal toothed trichomes triple-nerved upper leaves upward usually