Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt

Rabbit-tobacco (en)

Species

Angiosperms > Asterales > Asteraceae > Pseudognaphalium

Characteristics

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.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.5
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Pine woods and clearings in dry open habitats. Open sites, often disturbed, roadsides, fields, pastures, open woods, in various soils, most abundantly in sand; at elevations from 5-200 metres.
Light 6-8
Soil humidity 3-7
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use Analgesic (leaf), Cold Remedy (leaf), Pulmonary Aid (leaf), Adjuvant (leaf), Antiemetic (leaf), Misc. Disease Remedy (leaf), Febrifuge (leaf), Pediatric Aid (leaf), Disinfectant (leaf), Psychological Aid (leaf), Stimulant (leaf), Witchcraft Medicine (leaf), Respiratory Aid (leaf), Febrifuge (root), Sedative (unspecified), Analgesic (unspecified), Antirheumatic (Internal) (unspecified), Cold Remedy (unspecified), Cough Medicine (unspecified), Misc. Disease Remedy (unspecified), Oral Aid (unspecified), Orthopedic Aid (unspecified), Respiratory Aid (unspecified), Throat Aid (unspecified), Psychological Aid (unspecified), Witchcraft Medicine (unspecified), Stimulant (unspecified), Tuberculosis Remedy (unspecified), Anodyne (unspecified), Bruise (unspecified), Repellant(Insect) (unspecified), Intestinal-Catarrh (unspecified), Pulmonary-Catarrh (unspecified), Bronchitis (unspecified), Cancer (unspecified), Pectoral (unspecified), Sore(Throat) (unspecified), Emollient (unspecified), Cold (unspecified), Masticatory (unspecified), Tea (unspecified), Tumor (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Pseudognaphalium obtusifolium leaf picture by Timothee Deneffe (cc-by-sa)
Pseudognaphalium obtusifolium leaf picture by Vas Littlecrow Wojtanowicz (cc-by-sa)
Pseudognaphalium obtusifolium leaf picture by Diana Joy (cc-by-sa)

Flower

Pseudognaphalium obtusifolium flower picture by Cecilia Grimmer (cc-by-sa)
Pseudognaphalium obtusifolium flower picture by Dayton Ulrich (cc-by-sa)
Pseudognaphalium obtusifolium flower picture by Holly Nobles (cc-by-sa)

Distribution

Pseudognaphalium obtusifolium world distribution map, present in Canada, Colombia, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1081535-2
WFO ID wfo-0000121350
COL ID 4NXF4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Gnaphalium saxicola Gnaphalium polycephalum Gnaphalium obtusifolium Gnaphalium polycephalum var. polycephalum Pseudognaphalium obtusifolium var. obtusifolium Pseudognaphalium obtusifolium var. saxicola Pseudognaphalium obtusifolium subsp. obtusifolium Gnaphalium obtusifolium var. saxicola Gnaphalium obtusifolium var. praecox Pseudognaphalium obtusifolium subsp. saxicola Gnaphalium obtusifolium var. obtusifolium Pseudognaphalium saxicola Gnaphalium conoideum Pseudognaphalium obtusifolium