Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Tussilago farfara

coltsfoot
Basal leaves

blades palmately 5–12-lobed or -angled, mostly 5–20+ × 5–20+ cm, margins irregularly denticulate.
Cauline leaves

mostly 5–25 mm.
Ray corollas

laminae (2–)4–10 mm.
Disc corollas

10–12 mm.
Phyllaries

mostly 7–15 mm.
Calyculi

bractlets 5–15 mm.
Cypselae

3–4 mm;

pappi 8–12 mm, ± surpassing involucres.
2n

= 60.

Tussilago farfara
Phenology Flowering spring–summer.
Habitat Disturbed sites, sandy or rocky soils, calcareous sites
Elevation 0–800 m (0–2600 ft)
Distribution
from FNA
CT; IL; IN; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; TN; VA; VT; WA; WI; WV; BC; NB; NF; NS; ON; PE; QC; Saint-Pierre and Miquelon; Eurasia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Discussion

Flowering heads of Tussilago farfara close at night (laminae of ray corollas arch and roll inward). The species is becoming an invasive weed in some areas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 635.
Parent taxa Asteraceae > tribe Senecioneae > Tussilago
Name authority Linnaeus: Sp. Pl. 2: 865. (1753)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers