Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Pseudognaphalium canescens

slender cudweed, Wright's cudweed, Wright's rabbit-tobacco
Habit Annuals or perennials, 20–70(–100+) cm; taprooted.
Stems

persistently tomentose, not glandular (2–3 mm diam. near bases).
Leaf

blades narrowly to broadly oblanceolate, mostly 2–4(–5) cm × 2–8(–15) mm, bases not clasping, not decurrent, margins flat, faces weakly bicolor, tomentose (adaxial less densely tomentose, sometimes sessile-glandular beneath tomentum).
Involucres

turbinate-campanulate, 4–5 mm.
Pistillate florets

(16–)24–44.
Bisexual florets

(1–)2–5(–6), 5–6 more common in northern part of range.
Phyllaries

in 3–4 series, white (opaque to hyaline, dull to shiny), narrowly ovate-lanceolate, glabrous.
Heads

usually in loose, corymbiform arrays.
Cypselae

ridged, weakly papillate-roughened.
2n

= 28.

Pseudognaphalium canescens
Phenology Flowering Aug–Nov(–Jan).
Habitat Lava beds, rocky sites, grasslands, oak, pine-oak, and pine woodlands
Elevation 1100–2500(–2700) m (3600–8200(–8900) ft)
Distribution
from FNA
AZ; CA; CO; NM; OK; TX; UT; Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Most plants of Pseudognaphalium canescens produce white, opaque, keeled, apiculate phyllaries; in the southern portion of its range (Jalisco southeastward) and scattered localities elsewhere, the phyllaries may be more hyaline and lack a pronounced keel and apiculum.

(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. 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
Synonyms Gnaphalium canescens, Gnaphalium sonorae, Gnaphalium texanum, Gnaphalium viridulum, Gnaphalium wrightii
Name authority (de Candolle) Anderberg: Opera Bot. 104: 147. (1991)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora

The species comparison tool is brought to you by:
Northwest Wildflowers