Difference between revisions of "Hieracium sabaudum"
Sp. Pl. 2: 804. 1753.
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|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Hieracium | |genus=Hieracium | ||
Revision as of 15:11, 18 September 2019
Plants ca. 65 cm. Stems proximally piloso-hirsute (hairs 2–3+ mm), distally glabrous or stellate-pubescent, sometimes piloso-hirsute as well (hairs 1–2 mm). Leaves: basal 0, cauline 12–20+; blades ± lanceolate, 30–80 × 10–25 mm, lengths 2–4+ times widths, bases cuneate, margins usually toothed, apices acute to acuminate, abaxial faces piloso-hirsute, adaxial glabrous or ± scabrellous (especially distal margins). Heads 25–30+ in corymbiform arrays. Peduncles stellate-pubescent. Calyculi: bractlets 21+. Involucres campanulate, 8–9 mm. Phyllaries 21+, apices ± rounded, abaxial faces stellate-pubescent and stipitate-glandular. Florets 40–60+; corollas yellow, ca. 10 mm. Cypselae columnar, 2.5–3 mm; pappi of ca. 60+, stramineous bristles in ± 2 series, ca. 6 mm.
Phenology: Flowering Aug–Sep.
Habitat: Disturbed sites (grasslands, open woods)
Elevation: 10+ m
Distribution
B.C., N.S., Conn., Maine, Mass., N.J., N.Y., Pa., Wis., Europe.
Discussion
Selected References
None.