Antennaria howellii
Antennaria stenophylla
Antennaire de Howell, everlasting pussytoes, Howell's pussytoes, small pussytoes
narrow-leaf pussytoes, narrowleaf everlasting
(6–)8–35 cm (stems sometimes stipitate-glandular).
(3–)10–15 cm.
1–9(–12) cm.
none.
1-nerved, spatulate to oblanceolate, spatulate-obovate, narrowly to broadly ovate, or cuneate-oblanceolate, 20–48(–65) × 2.5–20 mm, tips mucronate, faces abaxially tomentose, adaxially green-glabrous or gray-pubescent.
1-nerved, linear to narrowly oblanceolate, 15–50 × 1–2(–4) mm, tips acute, not flagged, faces ± gray tomentose.
linear, 8–40 mm, distal sometimes flagged (apices acute).
(gradually reduced distally) narrowly linear, 5–60 mm, distalmost flagged.
staminate 6–6.5 mm; pistillate 6–11 mm.
staminate 4–5 mm; pistillate 4–6.5 mm.
staminate 3–4 mm; pistillate 3.5–6.5(–8) mm.
staminate 2.5–3.5 mm; pistillate 2.5–4 mm.
(bases sometimes rose) distally white, cream, or light brown.
distally light brown, dingy brown, or olivaceous (apices acute-acuminate).
3–15 in corymbiform arrays.
2–8(–10) in subcapitate arrays.
0.8–2 mm, ± papillate;
pappi: staminate 4–4.5 mm; pistillate 5.5–9 mm.
1–1.8 mm, glandular-puberulent;
pappi: staminate 3–4.5 mm (bristles barbellate at tips); pistillate 3–4.5 mm.
= 56, 84, 140 (under A. neodioica).
= 56.
Antennaria howellii
Antennaria stenophylla
Subspecies 4 (4 in the flora).
The Antennaria howellii (previously A. neodioica) polyploid complex is highly variable morphologically; four more or less distinct subspecies can be recognized within it. The sexual progenitors of the complex are A. neglecta, A. plantaginifolia, A. racemosa, and A. virginica (see R. J. Bayer 1985). Antennaria marginata may also be a minor contributor to the origins of the complex. A. Cronquist (H. A. Gleason and Cronquist 1991) included members of this complex in A. neglecta; I maintain, because these apomicts are of hybrid polyploid origin from among multiple sexual progenitors, they best not be included within the circumscription of any one sexual progenitor (Bayer 1989d).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Antennaria stenophylla is a xerophyte in the Argenteae group. It is distinguished by relatively narrow leaves, heads in subcapitate clusters, and light brown, dingy brown, or olivaceous phyllary tips.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Basal leaves green-glabrous adaxially | → 2 |
1. Basal leaves pubescent adaxially (sometimes glabrescent with age) | → 3 |
2. Basal leaves 1-nerved, 20–40 × 6–9 mm; distal cauline leaves flagged; phyllaries distally white or cream | subsp. canadensis |
2. Basal leaves 1–3-nerved, 25–40 × 9–12 mm; distal cauline leaves not flagged; phyllaries distally light brown or white | subsp. howellii |
3. Basal leaves spatulate to narrowly or broadly obovate (petiolate); stolons 3–8(–12) cm (leaves along stolons almost equal to those in rosettes at ends) | subsp. neodioica |
3. Basal leaves cuneate-oblanceolate, spatulate, or spatulate-obovate (without distinct petioles); stolons 4–9 cm (leaves along stolons smaller than in rosettes at ends) | subsp. petaloidea |
- Local floras:
BC, 
OR, 
WA - Local Web sites:
CalFlora, CalPhotos, 
Flora NW, 
Go Botany, 
IL Wildflowers, 
KS Wildflowers, 
MD Biodiversity, 
MI Flora, 
MN Wildflowers, 
PNW Herbaria, Turner Photog. 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
