Antennaria microphylla
Antennaria parlinii
little-leaf pussytoes, pink pussytoes, rosy pussytoes, small pussytoes, white pussytoes
Parlin's pussytoes
9–30 cm (stems stipitate-glandular distally).
12–35(–45) cm.
1–5 cm.
3.5–11(–14) cm (mostly decumbent when young).
1-nerved, spatulate, 6–16 × 2–6 mm, tips mucronate, faces silvery gray-pubescent.
3–5-nerved, obovate-spatulate, obovate, rhombic-obovate, or suborbiculate, 30–95 × 12–45 mm, tips mucronate, faces gray-pubescent to floccose-glabrescent.
linear, 5–25 mm, not flagged (apices acute).
oblong-lanceolate, 3.5–45 mm, distalmost flagged.
staminate 5–6.5 mm; pistillate 5.5–7 mm.
staminate 6–9 mm; pistillate (7–)8–13 mm.
staminate 2.5–3 mm; pistillate 3–4.3 mm.
staminate 3.5–5 mm; pistillate 4–7 mm.
distally bright white to light yellow.
distally white.
6–13 in corymbiform arrays.
4–12(–15) in tight corymbiform arrays.
0.7–1.2 mm, glabrous or sparingly papillate;
pappi: staminate 3–4 mm; pistillate 3–5 mm.
1–2 mm, minutely papillate;
pappi: staminate 4–5 mm; pistillate 5–8 mm.
= 28.
= 56, 84, 70, 112.
Antennaria microphylla
Antennaria parlinii
Antennaria microphylla is a primary sexual progenitor of the A. rosea polyploid agamic complex (R. J. Bayer 1990b). A. Cronquist (1955) included A. rosea within his circumscription of A. microphylla. It is preferable to recognize sexual diploids as distinct from their morphologically discrete hybrid apomictic derivatives. Antennaria microphylla is always dioecious and has stems distally stipitate-glandular and white phyllaries; A. rosea is always gynoecious and has stems without glandular hairs and phyllaries only occasionally white.
Some authors (A. E. Porsild 1950; E. H. Moss 1959; Porsild and W. J. Cody 1980) have recognized A. nitida as distinct; comparisons of the nomenclatural types of the two show that they are conspecific. Antennaria microphylla has allelopathic properties (G. D. Manners and D. S. Galitz 1985).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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.)
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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