I am adding a brief description of the plant
FNA | Family List | FNA Vol. 20 | Asteraceae <http://www.efloras.org/browse.aspx?flora_id=1&start_taxon_id=10074> | Tussilago <http://www.efloras.org/browse.aspx?flora_id=1&start_taxon_id=134025> 1. *Tussilago farfara* Linnaeus, Sp. Pl. 2: 865. 1753. Common Name: 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. *Calyculi:* bractlets 5–15 mm. *Phyllaries* mostly 7–15 mm. *Ray corollas:*laminae (2–)4–10 mm. *Disc corollas* 10–12 mm. *Cypselae* 3–4 mm; *pappi* 8–12 mm, ± surpassing involucres. *2n* = 60. Flowering spring–summer. Disturbed sites, sandy or rocky soils, calcareous sites; 0–800 m; introduced; Saint-Pierre and Miquelon; B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que.; Conn., Ill., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., Wash., W.Va., Wis.; Eurasia. 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. Regards Tanay -- Tanay Bose +91(033) 25550676 (Resi) 9830439691(Mobile) -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/indiantreepix?hl=en.

