Antennaria solitaria


Bull. Torrey Bot. Club 24: 304. 1897.

Common names: Singlehead pussytoes
Basionym: Antennaria plantaginifolia var. monocephala Torrey & A. Gray Fl. N. Amer. 2: 431. 1843,
Synonyms: Antennaria monocephala (Torrey & A. Gray) Greene
Treatment appears in FNA Volume 19. Treatment on page 401. Mentioned on page 390, 391, 393, 402.

Dioecious. Plants 2–25(–35) cm. Stolons 5.5–20 cm (filiform). Basal leaves: 3–5-nerved, obovate to broadly oblong-spatulate, 20–75 × 15–45 mm, tips mucronate, abaxially tomentose, adaxially gray-pubescent to floccose-glabrate. Cauline leaves linear, 1–17 mm, distal flagged. Heads borne singly. Involucres: staminate 8–11 mm; pistillate 8–14 mm. Phyllaries (bases green or brown) distally white. Corollas: staminate 3.8–5.5 mm; pistillate 4.5–7 mm. Cypselae 1–2 mm, papillate; pappi: staminate 4.5–7 mm; pistillate 6–9 mm. 2n = 28.

Phenology: Flowering early–mid spring.
Habitat: Slopes or stream banks in moist, rich, deciduous woodlands, forests, sometimes forest openings
Elevation: 0–1500 m



Ala., Ark., Ga., Ind., Ky., La., Md., Miss., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.


With its relatively large, 3–5-nerved, basal leaves and relatively large heads borne singly, Antennaria solitaria is an easily recognized amphimictic member of the Catipes group (R. J. Bayer and G. L. Stebbins 1982). It is a sexual diploid progenitor of the A. parlinii polyploid complex.

Selected References


Lower Taxa

... more about "Antennaria solitaria"
Randall J. Bayer +
Rydberg +
Antennaria plantaginifolia var. monocephala +
Singlehead pussytoes +
Ala. +, Ark. +, Ga. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–1500 m +
Slopes or stream banks in moist, rich, deciduous woodlands, forests, sometimes forest openings +
Flowering early–mid spring. +
Bull. Torrey Bot. Club +
Antennaria monocephala +
Antennaria solitaria +
Antennaria +
species +