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California cudweed, California everlasting, California rabbit-tobacco, ladies' tobacco

Pringle's cudweed, Pringle's rabbit-tobacco

Habit Annuals, biennials, or perennials, 20–40 cm; taprooted. Annuals or perennials, 30–80 cm; taprooted.
Stems

stipitate-glandular, sometimes lightly villous as well.

lightly white-tomentose and/or glabrescent and green, minutely stipitate- or sessile-glandular beneath other induments.

Leaf

blades mostly narrowly oblong-lanceolate, 4–10 cm × 5–10(–20) mm (relatively even-sized distally), bases auriculate-clasping to subclasping or not, decurrent (2–10 mm) or not, margins flat or slightly revolute, faces concolor, mostly green, stipitate-glandular, viscid, sometimes lightly villous as well.

blades (not crowded, internodes mostly 5+ mm) oblanceolate-spatulate to obovate- or petiolate-spatulate, 5–10 cm × 10–20 mm (distal oblong to lanceolate or oblanceolate, 2–8 cm, slightly smaller), bases not clasping and decurrent 3–20 mm or clasping and decurrent 1–3 mm or not decurrent at all, margins flat to slightly revolute, faces bicolor, abaxial thinly white-tomentose, adaxial minutely stipitate- or sessile-glandular, otherwise glabrous or glabrate (bases of hairs persistent, enlarged).

Involucres

campanulo-globose, 5.5–7 mm.

campanulate to turbinate, 3.5–4 mm.

Pistillate florets

105–140.

15–40(–64).

Bisexual florets

7–12.

(1–)2–6.

Phyllaries

in 7–10 series, white (opaque, shiny or dull), broadly ovate to oblong-obovate, glabrous.

in 2–3 series, silvery white to tawny, oblong to oblong-ovate, (hyaline, shiny), glabrous.

Heads

in corymbiform arrays.

in loose, corymbiform arrays.

Cypselae

ridged, smooth.

ridged, papillate-roughened.

2n

= 28.

Pseudognaphalium californicum

Pseudognaphalium pringlei

Phenology Flowering Apr–Jul. Flowering (Aug–)Sep–Nov.
Habitat Sandy canyons, dry hills, coastal chaparral Rock outcrops and slopes, crevices and thin soil on cliffs, oak or oak-pine woodlands
Elevation 60–800 m (200–2600 ft) 1500–2300 m (4900–7500 ft)
Distribution
from FNA
CA; OR; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; Mexico (Chihuahua, Durango, Sonora)
[BONAP county map]
Discussion

Leaf insertion in Pseudognaphalium californicum is unusually variable: bases may be clasping to subclasping without decurrent margins or decurrent and not show any clasping tendency.

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

Source FNA vol. 19, p. 423. FNA vol. 19, p. 422.
Parent taxa Asteraceae > tribe Gnaphalieae > Pseudognaphalium Asteraceae > tribe Gnaphalieae > Pseudognaphalium
Sibling taxa
P. arizonicum, P. austrotexanum, P. beneolens, P. biolettii, P. canescens, P. helleri, P. jaliscense, P. leucocephalum, P. luteoalbum, P. macounii, P. micradenium, P. microcephalum, P. obtusifolium, P. pringlei, P. ramosissimum, P. roseum, P. saxicola, P. stramineum, P. thermale, P. viscosum
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. obtusifolium, P. ramosissimum, P. roseum, P. saxicola, P. stramineum, P. thermale, P. viscosum
Synonyms Gnaphalium californicum, Gnaphalium decurrens var. californicum Gnaphalium pringlei
Name authority (de Candolle) Anderberg: Opera Bot. 104: 147. (1991) (A. Gray) Anderberg: Opera Bot. 104: 147. (1991)
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