Flora of North America species comparison

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Pseudognaphalium obtusifolium

blunt-leaf rabbit-tobacco, eastern rabbit-tobacco, gnaphale à feuilles obtuses, old field balsam, rabbit-tobacco
Habit Annuals or winter annuals (sometimes faintly fragrant), (10–)30–100 cm; taprooted.
Stems

white-tomentose, sometimes lightly so, usually not glandular, rarely glandular near bases.
Leaf

blades linear-lanceolate to elliptic or oblanceolate, 2.5–10 cm × 2–10 mm (relatively even-sized), bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white-tomentose, adaxial green, usually glabrous or slightly glandular, sometimes with persistent light tomentum.
Involucres

broadly campanulate, 5–7 mm.
Pistillate florets

38–96.
Bisexual florets

4–8(–11).
Phyllaries

in 4–6 series, white (opaque, usually shiny, sometimes dull), ovate to ovate-oblong, glabrous or tomentose (bases).
Heads

in corymbiform (sometimes rounded to elongate) arrays.
Cypselae

ridged, smooth.

Pseudognaphalium obtusifolium
Phenology Flowering Aug–Oct.
Habitat Open sites, often disturbed, roadsides, fields, pastures, open woods, in various soils, most abundantly in sand
Elevation 5–200 m (0–700 ft)
Distribution
from FNA
AL; AR; CT; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; ME; MI; MN; MO; MS; NC; NE; NH; NY; OH; OK; PA; RI; SC; TN; TX; VA; VT; WI; WV; NB; NS; ON; PE; QC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 420.
Parent taxa Asteraceae > tribe Gnaphalieae > Pseudognaphalium
Sibling taxa
P. arizonicum, P. austrotexanum, P. beneolens, P. biolettii, P. californicum, P. canescens, P. helleri, P. jaliscense, P. leucocephalum, P. luteoalbum, P. macounii, P. micradenium, P. microcephalum, P. pringlei, P. ramosissimum, P. roseum, P. saxicola, P. stramineum, P. thermale, P. viscosum
Synonyms Gnaphalium obtusifolium, Gnaphalium obtusifolium var. praecox
Name authority (Linnaeus) Hilliard & B. L. Burtt: Bot. J. Linn. Soc. 82: 205. (1981)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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