Pseudognaphalium obtusifolium

(Linnaeus) Hilliard & B. L. Burtt

Bot. J. Linn. Soc. 82: 205. 1981.

Common names: Eastern rabbit-tobacco gnaphale à feuilles obtuses
Basionym: Gnaphalium obtusifolium Linnaeus Sp. Pl. 2: 851. 1753
Synonyms: Gnaphalium obtusifolium var. praecox Fernald
Treatment appears in FNA Volume 19. Treatment on page 420. Mentioned on page 415, 416, 421.
Revision as of 19:21, 16 December 2019 by FNA>Volume Importer

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. Heads in corymbiform (sometimes rounded to elongate) arrays. Involucres broadly campanulate, 5–7 mm. Phyllaries in 4–6 series, white (opaque, usually shiny, sometimes dull), ovate to ovate-oblong, glabrous or tomentose (bases). Pistillate florets 38–96. Bisexual florets 4–8(–11). Cypselae ridged, smooth.


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

Distribution

V19-686-distribution-map.gif

N.B., N.S., Ont., P.E.I., Que., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
Guy L. Nesom +
(Linnaeus) Hilliard & B. L. Burtt +
Gnaphalium obtusifolium +
Eastern rabbit-tobacco +  and gnaphale à feuilles obtuses +
N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
5–200 m +
Open sites, often disturbed, roadsides, fields, pastures, open woods, in various soils, most abundantly in sand +
Flowering Aug–Oct. +
Bot. J. Linn. Soc. +
Gnaphalium obtusifolium var. praecox +
Pseudognaphalium obtusifolium +
Pseudognaphalium +
species +