Cirsium acaule subsp. acaule

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 240

publication ID

https://doi.org/10.5281/zenodo.293764

persistent identifier

https://treatment.plazi.org/id/90236A28-9C28-F52E-FEB8-F5AD17E0496B

treatment provided by

Plazi

scientific name

Cirsium acaule subsp. acaule
status

 

(a) Subsp. acaule View in CoL :

Acaulescent, rarely with stem up to 15(-35) cm. Leaves patent-pubescent beneath especially on the veins; lobes with slender, pungent spines 2-5(-7) mm. Capitula usually solitary, rarely 2-3(-8), shortly pedunculate, with 1-3 subtending leaves about as long as capitulum. Involucral bracts obtuse; outer with spinule up to 1 mm. Pappus 21-27 mm, slightly shorter than the corolla. 2n = 34. Dry grassland; calcicele. • Throughout the range of the species except S. Spain and most of U.S.S. R.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Asteraceae

Genus

Cirsium

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