Pseudognaphalium microcephalum |
|
---|---|
felt-leaf everlasting, San Diego rabbit-tobacco, Wright's cudweed |
|
Habit | Perennials, (30–)50–100 cm; taprooted. |
Stems | persistently grayish tomentose, not glandular, (3–5 mm diam. near bases). |
Leaf | blades narrowly oblanceolate, 2–5(–8) cm × 5–10(–18) mm (gradually smaller distally, becoming lanceolate), bases not clasping, not decurrent, margins flat, faces weakly bicolor, tomentose (adaxial less densely), not glandular. |
Involucres | turbinate-campanulate, 5–6 mm. |
Pistillate florets | 29–49. |
Bisexual florets | 5–9. |
Phyllaries | in 4–5 series, white (opaque, dull), ovate to oblong-ovate (inner narrower, all usually with filiform but definitely thickened keel and slight apiculum), tomentose (at least bases). |
Heads | in loose, corymbiform arrays. |
Cypselae | ridged, smooth to weakly papillate-roughened. |
2n | = 28. |
Pseudognaphalium microcephalum |
|
Phenology | Flowering (Apr–)Jun–Aug(–Nov). |
Habitat | Grassy hillsides, gravelly canyon bottoms, chaparral, coastal sage scrub |
Elevation | 50–900(–1800) m (200–3000(–5900) ft) |
Distribution |
CA; Mexico (Baja California)
|
Discussion | Pseudognaphalium microcephalum is characterized by stems commonly stiffly erect and slightly zigzag distally, relatively thick (3–5 mm diam. near bases), and closely grayish tomentose, leaves oblanceolate, sessile, sometimes clasping, not decurrent, and weakly bicolor, and heads usually in open, corymbiform arrays. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 419. |
Parent taxa | Asteraceae > tribe Gnaphalieae > Pseudognaphalium |
Sibling taxa | |
Synonyms | Gnaphalium microcephalum, Gnaphalium albidum, Gnaphalium canescens subsp. microcephalum, P. canescens subsp. microcephalum |
Name authority | (Nuttall) Anderberg: Opera Bot. 104: 147. (1991) |
Web links |