Antennaria plantaginifolia

(Linnaeus) Hooker

Fl. Bor.-Amer. 1: 330. 1834.

Common names: Plantain-leaved pussytoes antennaire à feuilles de plantain
IllustratedEndemic
Basionym: Gnaphalium plantaginifolium Linnaeus Sp. Pl. 2: 850. 1753
Synonyms: Antennaria caroliniana Rydberg Antennaria decipiens Greene Antennaria denikeana B. Boivin Antennaria nemoralis Greene Antennaria pinetorum Greene Antennaria plantaginifolia var. petiolata (Fernald) A. Heller
Treatment appears in FNA Volume 19. Treatment on page 400. Mentioned on page 390, 391, 394, 402, 404, 4.

Dioecious. Plants 6.5–20 (–25) cm. Stolons 2.5–7.5 cm (mostly ascending when young). Basal leaves (petiolate) 3–5 (–7) -nerved, obovate to suborbiculate, 35–75 × 15–35 mm, tips minutely mucronate, abaxially tomentose, adaxially green-glabrescent to gray-pubescent. Cauline leaves linear, 6.5–35 mm, distal flagged. Heads 4–17 (–30) in tight corymbiform arrays. Involucres: staminate 5–7 (–8) mm; pistillate 5–7 mm. Phyllaries distally white. Corollas: staminate 2–3.5 mm; pistillate 3–4 mm. Cypselae 0.5–1.6 mm, slightly papillate; pappi: staminate 2.5–4 mm; pistillate 3.5–5.5 mm. 2n = 28.


Phenology: Flowering mid–late spring.
Habitat: Dry, open, deciduous woodlands, tops of banks, ridges, and bluffs, sandstone formations, slopes in openings in woodlands
Elevation: 0–1500 m

Distribution

V19-640-distribution-map.gif

Man., N.B., N.S., Que., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Okla., Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Antennaria plantaginifolia is a diploid progenitor of the A. parlinii complex and is similar to that species except for smaller heads and adaxially gray-pubescent basal leaves (R. J. Bayer and G. L. Stebbins 1982; Bayer 1985b; Bayer and D. J. Crawford 1986). It is a diploid ancestor of the A. howellii complex. It is found in the Appalachian region; disjunct populations occur in the driftless area of Wisconsin and Minnesota (Bayer and Stebbins).

Selected References

None.

Lower Taxa

None.
more or less tomentose +  and sericeous or glabrescent +
scarious +
mostly ovate +  and lanceovate or linear +
indeterminate +  and determinate +
Randall J. Bayer +
(Linnaeus) Hooker +
3.5 cm35 mm <br />0.035 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
decurrent +
Gnaphalium plantaginifolium +
compound +  and simple +
spatulate;oblanceolate;spatulate;oblanceolate;linear;lanceolate;elliptic;cuneate +
5-ribbed +, 3-ribbed +  and 2-ribbed +
muriculate +, papillate +  and smooth +
0.65 cm6.5 mm <br />0.0065 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Plantain-leaved pussytoes +  and antennaire à feuilles de plantain +
pistillate +  and staminate +
red +, yellow +  and white +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
papillate +
mostly ellipsoid +  and ovoid +
pistillate +  and staminate +
Man. +, N.B. +, N.S. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Minn. +, Miss. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1500 m +
papillate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, open, deciduous woodlands, tops of banks, ridges, and bluffs, sandstone formations, slopes in openings in woodlands +
in corymbiform , paniculiform , racemiform or subcapitate , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
pistillate +  and staminate +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
campanulate;cylindric +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
rarely lanceovate +  and lanceolate +
2-carpellate +
pistillate +  and staminate +
persistent +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Flowering mid–late spring. +
Fl. Bor.-Amer. +
bearing subulate enations +, hairy +  and bristly +
flat;convex or ovoid +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
papillate +
Antennaria caroliniana +, Antennaria decipiens +, Antennaria denikeana +, Antennaria nemoralis +, Antennaria pinetorum +  and Antennaria plantaginifolia var. petiolata +
Antennaria plantaginifolia +
Antennaria +
species +
adaxially green-glabrescent +  and gray-pubescent +
mucronate +
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 />) +