OregonFlora species comparison

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Antennaria howellii

(synonym of Antennaria neglecta)

Antennaria solitaria

Howell's pussytoes
Habit Herbs gynoecious, staminate plants uncommon; stolons 1–8(12) cm.
Stems

(6)8–35 cm, not glandular.

Basal leaves

usually forming rosettes, oblanceolate, cuneate-oblanceolate; ovate, or spatulate; (14)20–50(65) × 2.5–20 mm, 1–3-veined;

tips mucronate;

surfaces abaxially tomentose, adaxially glabrous to gray-pubescent.

Cauline leaves

linear, 8–40 mm;

tips acute to acuminate;

distal sometimes flagged.

Involucres

mostly glabrous to pubescent, staminate heads 6–6.5 mm, pistillate heads 6–11 mm.

Phyllaries

distally white to light brown;

tips acute to acuminate, rarely rounded.

Fruits

0.8–2 mm, sometimes papillate.

Heads

4–15 per stem; in corymb-like arrays.

2n

=56, 84, 140.

Antennaria howellii

Antennaria solitaria
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Canada and northern US. 4 subspecies; 3 subspecies treated in Flora.
Source Flora of Oregon, volume 2, page 177
Katie Mitchell, Stephen Meyers
Sibling taxa
A. anaphaloides, A. argentea, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. pulvinata, A. racemosa, A. stenophylla, A. suffrutescens, A. umbrinella
A. anaphaloides, A. argentea, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. pulvinata, A. racemosa, A. stenophylla, A. suffrutescens, A. umbrinella
Subordinate taxa
A. howellii ssp. howellii, A. howellii ssp. neodioica, A. howellii ssp. petaloidea
Synonyms Antennaria neglecta
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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