Burke: Antennaria suffrutescens vs. Antennaria monocephala

	Antennaria suffrutescens	Antennaria monocephala
		pygmy pussytoes, single-headed pussytoes
Habit		Perennials or subshrubs; dioecious or gynoecious; stems erect, 5-13 cm tall; stolons 2-4 cm in length.
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.

	Antennaria suffrutescens	Antennaria monocephala
Flowering time		July-September
Habitat		Alpine meadows, ridges, and rocky outcroppings.
Distribution	[WildflowerSearch map] [BONAP county map]	Reported from the North Cascades in Washington; Alaska to British Columbia, east to Alberta, Montana, and Wyoming; also in the Russian Far East. [WildflowerSearch map] [BONAP county map]
Origin		Native
Conservation status		Review Group 1 in Washington (WANHP)
Sibling taxa	A. alpina, A. anaphaloides, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. monocephala, A. parvifolia, A. pulcherrima, A. racemosa, A. stenophylla, A. umbrinella	A. alpina, A. anaphaloides, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. parvifolia, A. pulcherrima, A. racemosa, A. stenophylla, A. umbrinella
Web links	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Antennaria suffrutescens

Antennaria monocephala

pygmy pussytoes, single-headed pussytoes

Habit

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

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.