Antennaria parlinii
Antennaria dimorpha
Parlin's pussytoes
cushion pussytoes, gray cushion pussytoes, low or two-form or cushion pussytoes, low pussytoes
12–35(–45) cm.
0.5–4 cm.
3.5–11(–14) cm (mostly decumbent when young).
none.
3–5-nerved, obovate-spatulate, obovate, rhombic-obovate, or suborbiculate, 30–95 × 12–45 mm, tips mucronate, faces gray-pubescent to floccose-glabrescent.
1-nerved, linear to narrowly spatulate, 8–11 × 1–1.2 mm, tips acute, faces ± gray-tomentose.
oblong-lanceolate, 3.5–45 mm, distalmost flagged.
linear or oblanceolate, 7–12 mm, not flagged (apices acute).
staminate 6–9 mm; pistillate (7–)8–13 mm.
staminate 6–8 mm; pistillate 10–11 mm.
staminate 3.5–5 mm; pistillate 4–7 mm.
staminate 3–5 mm; pistillate 8–10 mm.
distally white.
distally dingy brown (apices acute-acuminate).
4–12(–15) in tight corymbiform arrays.
borne singly.
1–2 mm, minutely papillate;
pappi: staminate 4–5 mm; pistillate 5–8 mm.
2–3.5 mm, pubescent;
pappi: staminate 4.5–6 mm; pistillate 10–12 mm.
= 56, 84, 70, 112.
= 28, 56.
Antennaria parlinii
Antennaria dimorpha
Subspecies 2 (2 in the flora).
The Antennaria parlinii complex consists of two fairly distinct subspecies that differ in induments of basal leaves (tomentose in subsp. fallax; glabrous in subsp. parlinii) and other characters (R. J. Bayer and G. L. Stebbins 1982). Antennaria parlinii is the most common eastern North American species (Bayer and Stebbins 1982, 1983). This complex of polyploid sexual and apomictic populations is the result of multiple hybridizations among sexual diploid species including A. plantaginifolia, A. racemosa, and A. solitaria (Bayer 1985b; Bayer and D. J. Crawford 1986). A. Cronquist (1945; H. A. Gleason and Cronquist 1991) included A. parlinii within his circumscription of A. plantaginifolia. By not including the hybrid polyploiid within the circumscription of a single one of its sexual progenitors, the circumscription here better portrays the evolutionary relationships between A. parlinii and its sexual progenitors.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Antennaria dimorpha is characterized by narrowly oblanceolate leaves and relatively large heads (borne singly). It is, perhaps, the most xerophytic of spring-blooming Antennaria species. It belongs to the Dimorphae group.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Stems usually glandless; basal leaves adaxially tomentose | subsp. fallax |
1. Stems usually with purple glandular hairs (at least near summits of young flowering stems); basal leaves adaxially green-glabrous | subsp. parlinii |
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