Flora of North America species comparison

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Antennaria suffrutescens

Antennaria flagellaris

evergreen everlasting, evergreen pussytoes, everlasting pussytoes, shrubby pussytoes, Siskiyou everlasting

flagellate pussytoes, stoloniferous everlasting, stoloniferous pussy-toes, whip pussytoes
Habit Dioecious. Dioecious.
Plants

5–12 cm (densely tufted, bases woody; root crowns relatively slender).

0.5–1.5 cm.
Stolons

none.

3–10 cm (leafless except tips, relatively slender).
Basal leaves

absent at flowering.

1-nerved, linear-oblanceolate, 16–18 × 1.5–2 mm, tips acute, faces ± gray-tomentose.
Cauline leaves

spatulate, 5–12 × 2–4 mm, not flagged (apices emarginate or obtuse, abaxial faces tomentose, adaxial green).

linear or oblanceolate, 7–15 mm, not flagged.
Involucres

staminate 5–9 mm; pistillate 10–15 mm.

staminate 6–7 mm; pistillate 7–9 mm.
Corollas

staminate 4–5 mm; pistillate 5–8 mm.

staminate 3–4.5 mm; pistillate 5–7 mm.
Phyllaries

(relatively wide) distally white.

(relatively wide) distally brown to blackish or whitish.
Heads

borne singly.

borne singly.
Cypselae

1–2 mm, papillate;

pappi: staminate 4.5–5.5 mm; pistillate 7–9 mm.

2–3 mm, papillate;

pappi: staminate 3.5–4.5 mm; pistillate 6–8 mm.
2n

= 28.

= 28.

Antennaria suffrutescens

Antennaria flagellaris
Phenology Flowering early summer. Flowering mid–late spring.
Habitat Dry, open coniferous woods or barren slopes on serpentine Seasonally dry basins in foothills of mountains, often associated with sagebrush flats
Elevation 500–1600 m (1600–5200 ft) 900–2700 m (3000–8900 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; NV; OR; SD; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

Antennaria suffrutescens is characterized by suffrutescent growth form, relatively small, emarginate, adaxially glabrous, coriaceous leaves, and relatively large heads borne singly. It is known only from serpentine soils in open montane pine forests in Curry and Josephine counties, Oregon, and neighboring Del Norte and Humboldt counties, California (R. J. Bayer and G. L. Stebbins 1987). Antennaria suffrutescens may have contributed to the origin of some of the clones of the A. rosea complex (e.g., J. T. Howell 27718, NY).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Antennaria flagellaris is among the more distinctive species of Antennaria, with its flagelliform stolons (whiplike with leaves only at the very end) and heads borne singly. It belongs to the Dimorphae group (R. J. Bayer 1990; Bayer et al. 1996).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 408. FNA vol. 19, p. 399.
Parent taxa Asteraceae > tribe Gnaphalieae > Antennaria Asteraceae > tribe Gnaphalieae > Antennaria
Sibling taxa
A. alpina, A. anaphaloides, A. arcuata, A. argentea, A. aromatica, A. corymbosa, A. densifolia, A. dimorpha, A. dioica, A. flagellaris, A. friesiana, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. marginata, A. media, A. microphylla, A. monocephala, A. neglecta, A. parlinii, A. parvifolia, A. plantaginifolia, A. pulchella, A. pulcherrima, A. racemosa, A. rosea, A. rosulata, A. soliceps, A. solitaria, A. stenophylla, A. umbrinella, A. virginica
A. alpina, A. anaphaloides, A. arcuata, A. argentea, A. aromatica, A. corymbosa, A. densifolia, A. dimorpha, A. dioica, A. friesiana, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. marginata, A. media, A. microphylla, A. monocephala, A. neglecta, A. parlinii, A. parvifolia, A. plantaginifolia, A. pulchella, A. pulcherrima, A. racemosa, A. rosea, A. rosulata, A. soliceps, A. solitaria, A. stenophylla, A. suffrutescens, A. umbrinella, A. virginica
Synonyms A. dimorpha var. flagellaris
Name authority Greene: Pittonia 3: 277. (1898) (A. Gray) A. Gray: Proc. Amer. Acad. Arts 17: 212. (1882)
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).



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