Antennaria monocephala
pygmy pussytoes, single-headed pussytoes
Specimens
Photos

Distribution: Reported from the North Cascades in Washington; Alaska to British Columbia, east to Alberta, Montana, and Wyoming; also in the Russian Far East.

Habitat: Alpine meadows, ridges, and rocky outcroppings.

Flowers: July-September

Origin: Native

Conservation Status: Review Group 1 in Washington (WANHP)

Description:
General:

Perennials or subshrubs; dioecious or gynoecious; stems erect, 5-13 cm tall; stolons 2-4 cm in length.

Leaves:

Leaves basal and cauline; Basal leaves 1-nerved, alternate; petiolate or sessile; spatulate to narrowly spatulate or oblanceolate, 9–18 × 2–4 mm, tips mucronate, abaxial faces tomentose, adaxially glabrous or green-glabrescent, or both gray-pubescent. Cauline leaves linear, 4–11 mm long, margins entire, flagged.

Flowers:

Involucres staminate 5–7 mm, pistillate 5–8 mm, phyllaries distally brown, dark brown, black, or olivaceous; staminate corollas 2.5–3.5 mm, white, yellow, or red, narrowly funnelform or tubular (lobes usually 5, erect to recurved); pistillate corollas 3.5–4 mm, white, yellow, or red, narrowly tubular to filiform; receptacles flat to convex or ovoid, foveolate, epaleate; ray florets 0; disc florets mostly 20–100+; pappi: staminate 3–4 mm (none in gynoecious populations).

Fruit:

Cypselae 1–1.3 mm tall, often glabrous, usually papillate.

Accepted Name:
Antennaria monocephala DC.
Publication: Prodr. 6: 269. 1838.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Antennaria monocephala in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Antennaria monocephala checklist entry.

E-Flora BC: Antennaria monocephala atlas page.

CalPhotos: Antennaria monocephala photos.

USDA Plants: Antennaria monocephala information.

4 photographs:
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