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FNA | Family List | FNA Vol. 20 | Asteraceae | Croptilon

1. Croptilon divaricatum (Nuttall) Rafinesque, Fl. Tellur. 2: 47. 1837.

Slender scratchdaisy

Inula divaricata Nuttall, Gen. N. Amer. Pl. 2: 152. 1818

Stems erect, 20–100 cm. Cauline leaf blades lanceolate to linear, reduced distally (becoming bractlike near heads), margins usually serrate apically, rarely entire. Peduncles usually glabrate, sometimes hispid, stipitate-glandular. Involucres turbinate, (2–)2.5–5 mm diam. Ray florets 5–11; corolla laminae 4–6 mm. Disc florets (9–)14–22(–26). 2n = 8.

Flowering (Jul–)Aug–Oct(–Nov). Sand, sandy loam, and sandy clay, oak and pine woods, usually in openings, roadsides, banks, fencerows; 0–500 m; Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., Va.


 

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