Pseudognaphalium californicum |
Pseudognaphalium pringlei |
|
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California cudweed, California everlasting, California rabbit-tobacco, ladies' tobacco |
Pringle's cudweed, Pringle's rabbit-tobacco |
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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. |
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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 |
CA; OR; Mexico (Baja California)
|
AZ; NM; TX; Mexico (Chihuahua, Durango, Sonora) |
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 | ||
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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