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Boltonia asteroides var. latisquama

(White Doll's Daisy)

Interesting Facts

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Common Names

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Common Names in English:

White Doll's Daisy, White Doll's-Daisy

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 Boltonia

Perennials , 30-200+ cm (rhizomatous , stoloniferous , or with basal offshoots ). Stems erect to ascending , branched distally (ribbed ), glabrous . Leaves basal (withering by flowering) and cauline; alternate; sessile (sometimes decurrent) ; blades 1-nerved, linear , subulate to lanceolate or oblanceolate (bases attenuate, cauline sometimes decurrent), margins entire to serrulate (teeth callous-tipped), (apices acute to acuminate) faces glabrous. Heads radiate , (10-100+) in leafy, corymbiform or paniculiform arrays. ( Peduncles bracteate or ebracteate , bracts leaflike or scalelike .) Involucres hemispheric , (2-5 ×) 3-14 mm. Phyllaries 30-55 in 3-6 series, 1-nerved (midribs thickened, resinous ; flat), linear to oblanceolate or spatulate , unequal to subequal , margins ± membranaceous , faces glabrous. Receptacles conic to hemispheric, obscurely pitted , epaleate. Ray florets 20-60, pistillate , fertile ; corollas white to lilac (laminae linear to elliptic ). Disc florets 50-400+, bisexual , fertile; corollas yellow, tubes shorter than funnelform throats , lobes 5, erect, triangular; style-branch appendages deltate. Cypselae dimorphic (brownish) ; ray ± triquetrous , margins arrowly winged , ribs 2 abaxial , 1 adaxial ; disc obovoid to cuneate or obcordiform, laterally compressed , margins winged or not, resin ducts present, faces often puberulent ; pappi persistent , usually of 2-3 sclerified awns plus (0-) 7-12 shorter bristles or scales in 1 series. x = 9.

Species 5: North America.[1]

Taxonomy

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Synonyms

Boltonia latisquama Gray

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Boltonia

ZipcodeZoo has pages for 14 species, subspecies, varieties, forms, and cultivars in this genus:

B. apalachicolensis (Apalachicola Doll's Daisy) · B. asteroides (Aster-Like Boltonia) · B. asteroides var. asteroides (White Doll's Daisy) · B. asteroides var. latisquama (White Doll's-Daisy) · B. asteroides var. latisquama 'Jim Crockett' (Boltons Aster) · B. asteroides var. recognita (White Doll's-Daisy) · B. asteroides 'Nana' (Boltons Aster) · B. asteroides 'Pink Beauty' (Boltons Aster) · B. asteroides 'Snowbank' (Boltons Aster) · B. caroliniana (Carolina Boltonia) · B. decurrens (Claspingleaf Doll's Daisy) · B. diffusa (Small-Head Boltonia) · B. diffusa var. diffusa (Smallhead Doll's Daisy) · B. diffusa var. interior (Smallhead Doll's Daisy)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Vesna Karaman-Castro, Lowell E. Urbatsch "Boltonia". in Flora of North America Vol. 20 Page 17,353. Oxford University Press. Online at EFloras.org. [back]
Last Revised: 7/22/2012