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Conoclinium scandens

Interesting Facts

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Description

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Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Conoclinium

Perennials , 50-200 cm (usually rhizomatous , colonial , rhizomes relatively slender). Stems erect to decumbent (sometimes rooting at proximal nodes), not much branched distal to bases . Leaves cauline; opposite; petiolate ; blades usually 3-nerved from bases, deltate, oblanceolate , ovate , ovate-deltate, oblong , or triangular, margins dentate or lobed (to dissected in C. dissectum), faces glabrate to puberulous , villosulous , or hispidulous , gland-dotted. Heads discoid , in tight, corymbiform arrays. Involucres hemispheric , 3-6 mm diam. Phyllaries persistent , ca. 25 in 2-3 series, obscurely 2-3-nerved, lanceolate to linear , ± equal (herbaceous). Receptacles conic, epaleate. Florets 35-70+; corollas usually blue to purple or violet, rarely white, throats narrowly funnelform (lengths ca. 4 times diams.) ; styles: bases not enlarged, glabrous , branches filiform to linear-clavate. Cypselae prismatic (bases narrowed), 5-ribbed, glabrous or sparsely gland-dotted and/or hispidulous; pappi persistent, of ca. 30 barbellate bristles in 1 series. x = 10.

Species 4: sw, e North America, Mexico.[1]

Taxonomy

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Similar Species

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Members of the genus Conoclinium

ZipcodeZoo has pages for 6 species, subspecies, varieties, forms, and cultivars in this genus:

C. betonicifolium (Betony-Leaf Thorough-Wort) · C. coelestinum (Ageratum) · C. coelestinum 'Album' (Hardy Ageratum) · C. coelestinum 'Cori' (Blue Mistflower) · C. coelestinum 'Wayside' (Blue Mistflower) · C. greggii (Palm-Leaf Thorough-Wort)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Thomas F. Patterson, Guy L. Nesom "Conoclinium". in Flora of North America Vol. 21 Page 461, 462, 478, 481. Oxford University Press. Online at EFloras.org. [back]
Last Revised: 2012-07-28