Pseudognaphalium obtusifolium - (image 1 of 5)
Taxonomy
Family: Asteraceae
Synonymous with Gnaphalium obtusifolium L.
Habitat
Open sites in gravelly or sandy soils.
Associates
Distribution
Throughout the northeast, south to FL and west to NE and TX.
Morphology
Fragrant annual or winter annual; stems erect, (10-)30-100 cm, thinly white woolly, commonly becoming subglabrous or even a little glandular near the base; leaves numerous, lance-linear, to 10 cm long and 1 cm wide, sessile but not decurrent, white-woolly beneath, green and glabrous to slightly glandular or slightly woolly above; inflorescence branched and many-headed in well developed plants, flat or round-topped and often elongate; involucres ochroleucous or dingy, campanulate, woolly only near the base, 5-7 mm; involucral bracts acutish to obtuse or somewhat rounded; flowers mostly 75-125, 3-10 of them perfect; achenes glabrous; pappus-bristles distinct, falling separately, or sometimes temporarily coherent in small groups by means of tiny, interlocking hairs near the base.
Notes
Flowers July to September
Wetland indicator: NA
Similar to P. macounii which has more glandular stems and leaves that are decurrent at the base.
References
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
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Michael Hough © 2018 |