Centaurea montana

Linnaeus

Sp. Pl. 2: 911. 1753

Common names: Mountain cornflower or bluet centaurée des montagnes
Introduced
Treatment appears in FNA Volume 19. Treatment on page 185. Mentioned on page 183.

Perennials, 25–80 cm, from rhizomes or stolons. Stems 1–several, erect, simple or sparingly branched, villous with septate hairs and thinly arachnoid-tomentose with long, simple hairs. Leaves thinly villous and ± tomentose, glabrate; proximal leaves winged-petiolate, blades 10–30 cm, margins entire or remotely dentate to pinnately lobed; mid and distal leaves sessile, blades decurrent, ovate to oblong or lanceolate, entire or remotely denticulate. Heads radiant, borne singly or in few-headed corymbiform arrays; (peduncles to 7 cm). Involucres ovoid to ± campanulate, 20–25 mm. Principal phyllaries: bodies greenish, ovate to lanceolate, scarious-margined, appendages appressed, brown to black, unarmed, decurrent on phyllary margins, pectinate-fringed, puberulent; innermost phyllaries sometimes unappendaged. Florets 35–60+; sterile florets 10–20, corollas blue (white, purple, or pink), 2.5–4.5 cm, corolla tube elongate. Disc florets 25–40+; corollas purple, ca. 20 mm; anthers dark blue-purple. Cypselae ± brown, 5–6 mm, sericeous; pappi of bristles 0.5–1.5 mm. 2n = 24 (Germany), 40 (Russia), 44 (France).


Phenology: Flowering summer (Jun–Aug).
Habitat: Escaped from cultivation, roadsides, woodlands, sagebrush scrub
Elevation: 0–1400 m

Distribution

V19-208-distribution-map.gif

Introduced; St. Pierre and Miquelon, B.C., N.B., Nfld. and Labr. (Nfld.), Ont., Que., Alaska, Idaho, Maine, Mich., Minn., Mont., N.H., N.Y., Oreg., Pa., Utah, Wash., Wis., Europe.

Discussion

Centaurea montana is a very handsome plant, native to the mountains of Europe, now widely cultivated as an ornamental.

Selected References

None.

Lower Taxa

None.

... more about "Centaurea montana"
David J. Keil +  and Jörg Ochsmann +
Linnaeus +
Asteraceae tribe Cynareae +
Mountain cornflower or bluet +  and centaurée des montagnes +
St. Pierre and Miquelon +, B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, Ont. +, Que. +, Alaska +, Idaho +, Maine +, Mich. +, Minn. +, Mont. +, N.H. +, N.Y. +, Oreg. +, Pa. +, Utah +, Wash. +, Wis. +  and Europe. +
0–1400 m +
Escaped from cultivation, roadsides, woodlands, sagebrush scrub +
Flowering summer (Jun–Aug). +
Introduced +
Acosta +, Cnicus +, Grossheimia +, Jacea +  and Leucacantha +
Centaurea montana +
Centaurea +
species +