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Jersey cudweed, Jersey rabbit tobacco, red-tip rabbit-tobacco, weedy cudweed

Habit Annuals, 15–40 cm; taprooted or fibrous-rooted.
Stems

loosely white-tomentose, not glandular.

Leaf

blades (crowded, internodes 1–5, sometimes to 10 mm) narrowly obovate to subspatulate, 1–3(–6) cm × 2–8 mm (distal smaller, oblanceolate to narrowly oblong or linear), bases subclasping, usually decurrent 1–2 mm, margins weakly revolute, faces mostly concolor to weakly bicolor, abaxial gray-tomentose, adaxial usually gray-tomentose, sometimes glabrescent, neither glandular.

Involucres

broadly campanulate, 3–4 mm.

Pistillate florets

135–160.

Bisexual florets

5–10 (corollas red-tipped).

Phyllaries

in 3–4 series, silvery gray to yellowish (hyaline), ovate to ovate-oblong, glabrous.

Heads

in terminal glomerules (1–2 cm diam.).

Cypselae

not evidently ridged (conspicuously dotted with whitish, papilliform hairs; pappus bristles loosely coherent basally, released in clusters or easily fragmented rings).

2n

= 14, 16, 28.

Pseudognaphalium luteoalbum

Phenology Flowering Apr–Oct.
Habitat Roadsides, fields and pastures, ditches, streambanks, seasonal ponds, gardens, and other disturbed sites
Elevation 5–2000 m (0–6600 ft)
Distribution
from FNA
AR; AZ; CA; FL; LA; NM; NV; NY; OR; TX; UT; WA; Mexico; Europe; Asia; Africa; Pacific Islands (New Zealand); Australia [Introduced in North America]
[WildflowerSearch map]
Discussion

Pseudognaphalium luteoalbum is native to Eurasia. It is similar in overall habit to P. stramineum but distinctive in its larger heads and red-tipped corollas (visible through the translucent phyllaries). Cypselae of P. luteoalbum have papilliform hairs; cypselae of other North American species of Pseudognaphalium are glabrous.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 19, p. 418.
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. macounii, P. micradenium, P. microcephalum, P. obtusifolium, P. pringlei, P. ramosissimum, P. roseum, P. saxicola, P. stramineum, P. thermale, P. viscosum
Synonyms Gnaphalium luteoalbum
Name authority (Linnaeus) Hilliard & B. L. Burtt: Bot. J. Linn. Soc. 82: 206. (1981)
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