Antennaria luzuloides subsp. aberrans

(E. E. Nelson) R. J. Bayer & Stebbins

Canad. J. Bot. 71: 1597. 1993.

Common names: Small-headed rush pussytoes
Endemic
Basionym: Antennaria argentea subsp. aberrans E. E. Nelson Bot. Gaz. 34: 124. 1902
Synonyms: Antennaria luzuloides var. microcephala (A. Gray) Cronquist Antennaria microcephala A. Gray Antennaria pyramidata Greene
Treatment appears in FNA Volume 19. Treatment on page 398. Mentioned on page 397.

Basal leaves 1 (–3) -nerved, linear, 1–5 mm. Heads 10–30 in racemiform to paniculiform arrays. Involucres: staminate 3.5–4 mm; pistillate 3.5–4.5 mm. Phyllaries proximally green, distally white. Corollas: staminate 2.5–3.2 mm; pistillate 2–2.5 mm. Cypselae 1–1.5 mm, sparingly papillate-strigose; pappi: staminate 3–3.5 mm; pistillate 2.5–3 mm.


Phenology: Flowering summer.
Habitat: Moist, open, meadows and drainages, lower montane, ponderosa pine zone
Elevation: 1000–2200 m

Discussion

Subspecies aberrans is characterized by its non-stoloniferous habit and relatively small heads in racemiform to paniculiform arrays.

Selected References

None.

Lower Taxa

None.
more or less tomentose +  and sericeous or glabrescent +
scarious +
mostly ovate +  and lanceovate or linear +
racemiform +  and paniculiform +
indeterminate +  and determinate +
Randall J. Bayer +
(E. E. Nelson) R. J. Bayer & Stebbins +
1.8 cm18 mm <br />0.018 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1 cm10 mm <br />0.01 m <br />) +
decurrent +
Antennaria argentea subsp. aberrans +
compound +  and simple +
spatulate;oblanceolate;spatulate;oblanceolate;linear;lanceolate;elliptic;cuneate +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
narrowly oblanceolate +  and linear +
0.5 cm5 mm <br />0.005 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Small-headed rush pussytoes +
pistillate +  and staminate +
red +, yellow +  and white +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
papillate-strigose +
papillate +
mostly ellipsoid +  and ovoid +
pistillate +  and staminate +
Calif. +, Nev. +  and Oreg. +
1000–2200 m +
gray-tomentose +
papillate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist, open, meadows and drainages, lower montane, ponderosa pine zone +
in corymbiform , paniculiform , racemiform or subcapitate , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
pistillate +  and staminate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
campanulate;cylindric +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
rarely lanceovate +  and lanceolate +
2-carpellate +
pistillate +  and staminate +
persistent +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering summer. +
Canad. J. Bot. +
bearing subulate enations +, hairy +  and bristly +
flat;convex or ovoid +
exalbuminous +
appendaged +  and truncate +
papillate +
Antennaria luzuloides var. microcephala +, Antennaria microcephala +  and Antennaria pyramidata +
Antennaria luzuloides subsp. aberrans +
Antennaria luzuloides +
subspecies +
acuminate +
25 cm250 mm <br />0.25 m <br /> (70 cm700 mm <br />0.7 m <br />) +
4 cm40 mm <br />0.04 m <br /> (25 cm250 mm <br />0.25 m <br />) +