Antennaria howellii subsp. petaloidea

(Fernald) R. J. Bayer

Brittonia 41: 397. 1989

Common names: Petaloid pussytoes antennaire pétaloïde
Synonyms: Antennaria appendiculata FernaldAntennaria concolor PiperAntennaria neglecta var. petaloidea (Fernald) CronquistAntennaria neglecta var. subcorymbosa FernaldAntennaria neodioica subsp. petaloidea (Fernald) R. J. Bayer & StebbinsAntennaria neodioica var. petaloidea FernaldAntennaria pedicellata GreeneAntennaria petaloidea unknownAntennaria petaloidea var. novaboracensis FernaldAntennaria petaloidea var. scariosa FernaldAntennaria petaloidea var. subcorymbosa (Fernald) FernaldAntennaria stenolepis unknown
Basionyms: Antennaria neodioica var. petaloidea Fernald
Treatment appears in FNA Volume 19. Treatment on page 405. Mentioned on page 404.
Plants 8–35 cm. Stolons 4–9 cm (leaves along stolons smaller than in rosettes at ends). Basal leaves 1(–3)-nerved, cuneate-oblanceolate, spatulate, or spatulate-obovate (without distinct petioles), 15–45(–65) × 5–20 mm, tips mucronate, faces abaxially tomentose, adaxially gray-pubescent to floccose-glabrescent. Cauline leaves linear, 10–35 mm, mid and distal flagged. Heads 4–10(–15) in corymbiform arrays. Involucres: staminate (uncommon) 6–6.5 mm; pistillate 7–11 mm. Phyllaries distally white or cream. Corollas: staminate 3–4 mm; pistillate 4–6.5(–8) mm. Cypselae 0.8–1.7 mm, minutely papillate; pappi: staminate 4–4.5 mm; pistillate 5.5–8 mm. 2n = 56, 84 (under A. neodioica).

Phenology: Flowering mid spring–early summer.
Habitat: Pastures, dry fields, openings in woodlands and forests, and rock barrens
Elevation: 0–2200 m



St. Pierre and Miquelon, Alta., B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Colo., Conn., Del., Ill., Ind., Maine, Md., Mass., Mich., Minn., Mont., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Vt., Va., Wash., W.Va., Wis., Wyo.


Subspecies petaloidea is most common in the eastern half of the range of Antennaria howellii and is frequent as far west as British Columbia and Washington. Its primary sexual progenitors include A. plantaginifolia and A. neglecta (R. J. Bayer 1985).



Lower Taxa

No lower taxa listed.

AuthorRandall J. Bayer +
Authority(Fernald) R. J. Bayer +
BasionymsAntennaria neodioica var. petaloidea +
Common namePetaloid pussytoes + and antennaire pétaloïde +
DistributionSt. Pierre and Miquelon +, Alta. +, B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Colo. +, Conn. +, Del. +, Ill. +, Ind. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. + and Wyo. +
Elevation0–2200 m +
HabitatPastures, dry fields, openings in woodlands and forests, and rock barrens +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering mid spring–early summer. +
Publication titleBrittonia +
Publication year1989 +
ReferenceNone +
Source xml grained fna xml/V19-20-21/V19 652.xml +
SynonymsAntennaria appendiculata +, Antennaria concolor +, Antennaria neglecta var. petaloidea +, Antennaria neglecta var. subcorymbosa +, Antennaria neodioica subsp. petaloidea +, Antennaria neodioica var. petaloidea +, Antennaria pedicellata +, Antennaria petaloidea +, Antennaria petaloidea var. novaboracensis +, Antennaria petaloidea var. scariosa +, Antennaria petaloidea var. subcorymbosa + and Antennaria stenolepis +
Taxon familyAsteraceae +
Taxon nameAntennaria howellii subsp. petaloidea +
Taxon parentAntennaria howellii +
Taxon ranksubspecies +
VolumeVolume 19 +