Pseudognaphalium macounii |
Pseudognaphalium californicum |
|
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gnaphale de Macoun, Macoun's cudweed, Macoun's everlasting, Macoun's rabbit-tobacco, sticky cudweed, winded cudweed, wing cudweed |
California cudweed, California everlasting, California rabbit-tobacco, ladies' tobacco |
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Habit | Annuals or biennials (often sweetly fragrant), 40–90 cm; taprooted. | Annuals, biennials, or perennials, 20–40 cm; taprooted. |
Stems | stipitate-glandular throughout (usually persistently lightly white-tomentose distally). |
stipitate-glandular, sometimes lightly villous as well. |
Leaf | blades (not crowded, internodes mostly 5+ mm) lanceolate to oblanceolate, 3–10 cm × 3–13 mm (distal linear), bases not clasping, decurrent 5–10 mm, margins flat to slightly revolute, faces weakly bicolor, abaxial tomentose, adaxial stipitate-glandular, otherwise glabrescent or glabrous. |
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. |
Involucres | campanulo-subglobose, 4.5–5.5 mm. |
campanulo-globose, 5.5–7 mm. |
Pistillate florets | 47–101(–156). |
105–140. |
Bisexual florets | 5–12[–21]. |
7–12. |
Phyllaries | in 4–5 series, stramineous to creamy (hyaline, shiny), ovate to ovate-oblong, glabrous. |
in 7–10 series, white (opaque, shiny or dull), broadly ovate to oblong-obovate, glabrous. |
Heads | in corymbiform arrays. |
in corymbiform arrays. |
Cypselae | not ridged, ± papillate-roughened. |
ridged, smooth. |
2n | = 28. |
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Pseudognaphalium macounii |
Pseudognaphalium californicum |
|
Phenology | Flowering July–Oct. | Flowering Apr–Jul. |
Habitat | Dry, open habitats, pastures, open woods or edges, roadsides | Sandy canyons, dry hills, coastal chaparral |
Elevation | 50–2600(–3000) m (200–8500(–9800) ft) | 60–800 m (200–2600 ft) |
Distribution |
AZ; CA; CO; CT; ID; IL; IN; MA; ME; MI; MN; MT; NH; NM; NY; OH; OR; PA; SD; TN; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NS; ON; PE; QC; SK; Mexico
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CA; OR; Mexico (Baja California)
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Discussion | Pseudognaphalium macounii is recognized by its stipitate-glandular, proximally glabrescent stems, bicolor and decurrent leaves, relatively large and many-flowered heads, and hyaline, shiny phyllaries. Reports of P. macounii from Texas are based on specimens of P. viscosum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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. 421. | FNA vol. 19, p. 423. |
Parent taxa | Asteraceae > tribe Gnaphalieae > Pseudognaphalium | Asteraceae > tribe Gnaphalieae > Pseudognaphalium |
Sibling taxa | ||
Synonyms | Gnaphalium macounii, Gnaphalium decurrens | Gnaphalium californicum, Gnaphalium decurrens var. californicum |
Name authority | (Greene) Kartesz: in J. T. Kartesz and C. A. Meacham, Synth. N. Amer. Fl., nomencl. innov. 30. (1999) | (de Candolle) Anderberg: Opera Bot. 104: 147. (1991) |
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