Difference between revisions of "Echinops"
Sp. Pl. 2: 814. 1753.
Gen. Pl. ed. 5, 356. 1754.
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|distribution=Eurasia;Africa. | |distribution=Eurasia;Africa. | ||
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|discussion=<p>Species ca. 120 (3 in the flora).</p> | |discussion=<p>Species ca. 120 (3 in the flora).</p> | ||
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|tribe=Asteraceae tribe Cardueae | |tribe=Asteraceae tribe Cardueae | ||
|genus=Echinops | |genus=Echinops | ||
Latest revision as of 19:50, 5 November 2020
Perennials, 100–200 cm, herbage usually ± tomentose, spiny. Stems usually erect, simple or branched. Leaves basal and cauline; sessile or petiolate; blade margins dentate to pinnately 1–3-pinnately lobed or divided, lobes and teeth spiny, faces ± tomentose, sometimes glandular. Heads discoid, many, each with 1 floret, sessile, in pedunculate, spheric secondary heads. Secondary involucres of reflexed, laciniate-pinnatifid bracts. Primary involucres ellipsoid, subtended by bristles. Phyllaries many in several series, unequal, lanceolate (outer) to linear (inner), entire, apices sometimes expanded and fringed, not spine-tipped. Receptacles turbinate, bearing elongate subulate scales. Florets 1 per primary head; corollas white to greenish, blue-gray, blue, or purple, tubes elongate, throats very short, lobes linear; anther bases sharply tailed, apical appendages narrowly triangular, acute; style branches: fused portions with minutely hairy rings, distinct portions divergent, linear-oblong. Cypselae ± cylindric, 4-angled, apices ± truncate, without crowns, densely villous with long, stiff, appressed or ascending, multicellular hairs, attachment scars basal; pappi of many, short, ± connate [or distinct] scales. x = 13, 14, 15, 16.
Distribution
Introduced; Eurasia, Africa.
Discussion
Species ca. 120 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Lobes of leaf blades linear or narrowly oblong | Echinops ritro |
| 1 | Lobes of leaf blades lanceolate to triangular | > 2 |
| 2 | Adaxial leaf faces glandular | Echinops sphaerocephalus |
| 2 | Adaxial leaf faces glabrous or sparsely strigose | Echinops exaltatus |