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Max Chrysanthemum

Leucanthemum maximum (Ramond) DC.

Comments

provided by eFloras
The name Shasta daisy of horticulture is associated also with Leucanthemum ×superbum (Bergmans ex J. Ingram) Bergmans ex D. H. Kent, which is generally thought to have been derived from hybrids between L. maximum and L. lacustre. Cultivars of "Shasta daisy" number in the dozens, including "single," "double," "quill," and "shaggy" forms; they may be encountered as waifs or persisting from abandoned plantings.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 558, 559 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Description

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Perennials, 20–60(–80+) cm. Stems simple or distally branched. Basal leaves: petioles 50–80(–200+) mm, expanding into obovate to spatulate blades 50–80(–120+) × 15–25(–35+) mm, margins not lobed, usually toothed, rarely entire. Cauline leaves petiolate or sessile; blades oblanceolate to lanceolate or linear, 50–120+ × 8–22+ mm, margins of mid-stem leaves usually entire proximally, regularly serrate distally. Involucres 18–28+ mm diam. Phyllaries (the larger) 2–3 mm wide. Ray florets 21–34+; laminae 20–30(–40+) mm. Ray cypselae 2–3(–4) mm, apices usually bare, rarely obscurely auriculate. 2n = 90, 108.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 558, 559 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Chrysanthemum maximum Ramond, Bull. Sci. Soc. Philom. Paris 2: 140. 1800
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 19: 558, 559 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Leucanthemum maximum

provided by wikipedia EN

Leucanthemum maximum is a species of flowering plant in the aster family known by the common name max chrysanthemum.

Range

It is native to France and Spain but it can be found growing wild in other parts of the world as an introduced species and sometimes a garden escapee.

Description

It is a rhizomatous perennial herb growing 30 to 70 centimeters tall with many large serrated leaves around the base of the stem on winged petioles. There are smaller lance-shaped leaves alternately arranged along the stem. The inflorescence is generally a large, solitary flower head which may exceed 8 centimeters in diameter. It has a fringe of 20 to 30 white ray florets around a center of many densely packed yellow disc florets. The fruit is a small ribbed achene without a pappus.

Taxonomy

This species is one of the wild chrysanthemums Luther Burbank crossed to produce the popular garden hybrid known as the Shasta daisy, Leucanthemum × superbum.[1][2]

References

  1. ^ Jepson Manual Treatment
  2. ^ Chicago Botanic Garden. Chicago Botanic Garden evaluates Shasta daisy. Press Release. January 15, 2007.

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Leucanthemum maximum: Brief Summary

provided by wikipedia EN

Leucanthemum maximum is a species of flowering plant in the aster family known by the common name max chrysanthemum.

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