familyAsteraceae
tribeAsteraceae tribe Astereae
genusBoltonia
speciesBoltonia asteroides
varietyBoltonia asteroides var. latisquama

Boltonia asteroides var. latisquama

(A. Gray) Cronquist

Bull. Torrey Bot. Club 74: 149. 1947.

Vesna Karaman-Castro, Lowell E. Urbatsch
Endemic
Basionym: Boltonia latisquama A. Gray Amer. J. Sci. Arts, ser. 2, 33: 238. 1862
Treatment appears in FNA Volume 20. Treatment on page 356. Mentioned on page 355.

Heads 30–50 (–100); bracts linear-oblanceolate to narrowly oblanceolate or linear-subulate, 25–70 × 2–7 mm. Involucres 4–5 × 6–14 mm. Phyllaries sometimes reflexed, spatulate to obovate-spatulate, subequal, membranous margins broad, (2–) 2.5–6 mm wide, apices cuspidate; outer 2.6–3.8 × 0.5–1.6 mm; inner 3.2–4 × 0.9–1.5 mm. Cypselae obovoid to obcordiform, winged; pappus awns 0.7–2 mm, lengths 2/3+ cypselae. 2n = 18.


Phenology: Flowering Aug–Sep.
Habitat: Marshes, streams, sloughs, wet ditches
Elevation: 10–400 m

Distribution

V20-821-distribution-map.gif

Ark., Conn., Iowa, Kans., Maine, Md., Mass., Minn., Miss., Mo., Nebr., N.Dak., Ohio, Okla., R.I., S.Dak., Vt., Va., Wis.

Discussion

Variety latisquama is considered endangered in Maryland.

Selected References

None.

Lower Taxa

None.
... more about "Boltonia asteroides var. latisquama"
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2n chromosome quantity
18 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture or shape
cuspidate +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex position
inner +  and outer +
Apex size
subequal +
Apex texture
scarious +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
paniculiform +  and corymbiform +
Array development
indeterminate +  and determinate +
Author
Vesna Karaman-Castro +  and Lowell E. Urbatsch +
Authority
(A. Gray) Cronquist +
Awn atypical quantity
0 (7) +
Awn condition or texture
sclerified +
Awn quantity
7 +  and 12 +
Band architecture
continuous +
Band quantity
1 +
Base shape
not decurrent +
Basionyms
Boltonia latisquama +
Blade architecture
1-nerved +
Blade shape
subulate;lanceolate or oblanceolate +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Bract architecture or shape
leaflike +
Bract atypical some measurement
1.2 cm12 mm <br />0.012 m <br /> (6.2 cm62 mm <br />0.062 m <br />) +
Bract length
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Bract quantity
0;15 +
Bract shape
linear-oblanceolate +  and narrowly oblanceolate or linear-subulate +
Bract some measurement
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Bract width
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Branch arrangement or course or shape
linear +
Branch orientation
spreading;ascending +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle pappus duration
persistent +
Calyculus presence
absent +
Cauline leaf-blade length
2 cm20 mm <br />0.02 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Cauline leaf-blade width
0.2 cm2 mm <br />0.002 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
white +  and lilac +
Corolla presence
absent +
Corolla some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
Cypsela architecture
winged +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela growth form
dimorphic +
Cypsela length
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Cypsela shape
obovoid +  and obcordiform +
Cypsela width
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Disc-floret quantity
65 (170) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Disc shape
compressed;obovoid;cuneate or obcordiform +
Distribution
Ark. +, Conn. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.Dak. +, Ohio +, Okla. +, R.I. +, S.Dak. +, Vt. +, Va. +  and Wis. +
Elevation
10–400 m +
Embryo course
straight +
Face pubescence
puberulent +  and glabrous +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Marshes, streams, sloughs, wet ditches +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head atypical quantity
50 (100) +
Head development
indeterminate +
Head quantity
30;50 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Barbara Alongi +
Individual head architecture
each +  and sessile +
Inner phyllarie quantity
0.3 (1.5) +
Involucre length
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric +
Involucre width
0.6 cm6 mm <br />0.006 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Lamina some measurement
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Leaf-blade shape
lanceolate;oblanceolate +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf position
cauline +  and basal +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Margin architecture
not +  and winged +
Margin architecture or shape
entire +  and serrulate +
Margin texture
membranous +
Margin width
2.5mm +  and 6mm +
Number of lower taxa
0 +
Outer phyllarie length
0.15 cm1.5 mm <br />0.0015 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
Outer phyllarie width
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappi awn some measurement
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Pappus awn some measurement
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Pappus duration
persistent +
Peduncle some measurement
0.5 cm5 mm <br />0.005 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Aug–Sep. +
Phyllarie architecture
1-nerved +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie orientation
reflexed +
Phyllarie quantity
0 (6) +
Phyllarie shape
spatulate +  and obovate-spatulate +
Phyllarie size
subequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Publication title
Bull. Torrey Bot. Club +
Publication year
1947 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
20 (60) +
Ray-floret reproduction
fertile +
Ray shape
triquetrous +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
conic;hemispheric +
Reference
None +
Resin duct presence
absent +
Rib position
adaxial +  and abaxial +
Rib quantity
1 +  and 2 +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
3;5 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 821.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
erect +
Stem pubescence
glabrous +
Style-branch appendage shape
deltate +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Compositae +
Taxon family
Asteraceae +
Taxon name
Boltonia asteroides var. latisquama +
Taxon parent
Boltonia asteroides +
Taxon rank
variety +
Tube height or length or size
shorter +
Tube some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
Volume
Volume 20 +
Whole-organism duration
perennial +
Whole-organism some measurement
30 cm300 mm <br />0.3 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism architecture
stoloniferous +
Whole organism growth form
plant +
Whole organism some measurement
30mm (200mm) +
Wing width
0.1mm +  and 0.5mm +
X chromosome quantity
9 +