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Boltonia apalachicolensis

(Apalachicola Doll's Daisy)

Overview

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Threatened

Threat status

Interesting Facts

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Common Names

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Common Names in English:

Apalachicola Doll's Daisy, Apalachicola 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]

Physical Description

Species Boltonia apalachicolensis

Plants 50-180 cm; stolons and rhizomes absent, fallen stems frequently rooting at nodes. Stems erect . Leaf blades linear to oblanceolate , obovate , or oblique-elliptic; cauline 45-120 × 8-12 mm, bases not decurrent. Heads in corymbiform arrays, branches spreading to ascending , most bracts leaflike, 10-40 × 3-8 mm. Peduncles 6-35 mm; bracts (0-) 1-3, linear to linear-oblanceolate, 1-2.5 mm. Involucres 2-2.5(-4) × 4-6 mm. Phyllaries in 2-4 series, linear to subulate , subequal , 0-4 merging down peduncle; outer 1.3-2 × 0.3-0.6 mm; inner 1.5-3 × 0.3-0.6. Ray florets 20-35; corollas white to lilac, laminae 5-9 mm, tubes 0.6-0.9 mm. Disc florets 80-134; corollas 2.1-2.9 mm. Cypselae obovoid , 1.3-2.1 × 0.8-1.3 mm, wings 0.2-0.3 mm wide; pappi awns 0.3-0.8 mm. 2n = 18. [source]

Habit: Forb/herb

Habitat

Moist, gray sand, in semishade or deep shade, hardwood floodplain forests ; 0-10 m [2].

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Notes

Name Status: Accepted Name .

Comment: Data Providers: Govaerts World Compositae Checklist A-G, IPNI, Tropicos. GCC LSID: urn :lsid:compositae.org:names:9ECC9FD8-7F2A-476D-A50B-8015D358C75B

Last scrutiny: 11-Aug-09

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

Data Sources

Accessed through GBIF Data Portal November 21, 2007:

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]
  2. "Boltonia apalachicolensis". in Flora of North America Vol. 20 Page 354, 355. Oxford University Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012