familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Rudbeckiinae
genusRudbeckia
sectionRudbeckia sect. Rudbeckia
speciesRudbeckia hirta
varietyRudbeckia hirta var. angustifolia

Rudbeckia hirta var. angustifolia

(T. V. Moore) Perdue

Rhodora 59: 296. 1958.

Lowell E. Urbatsch, Patricia B. Cox
Endemic
Basionym: Rudbeckia floridana var. angustifolia T. V. Moore Pittonia 4: 176. 1900
Synonyms: Rudbeckia divergens T. V. Moore
Treatment appears in FNA Volume 21. Treatment on page 57.

Annuals, biennials, or perennials. Stems branched mostly at or near mid heights, leafy toward bases. Leaves: basal blades oblanceolate, 0.5–2.5 cm wide; cauline narrowly elliptic (smaller distally); margins entire or serrate; faces hispid to ± sericeous. Peduncles at least 1/2 plant heights. 2n = 38.


Phenology: Flowering spring–summer.
Habitat: Meadows, pastures, old fields, roadsides
Elevation: 20–80 m

Distribution

V21-123-distribution-map.gif

Ala., Fla., Ga., La., Miss., S.C., Tex.

Discussion

Variety angustifolia grows along the Gulf coastal plain.

Selected References

None.

Lower Taxa

None.
... more about "Rudbeckia hirta var. angustifolia"
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2n chromosome quantity
38 +
Abaxial tip pubescence
hirsute +  and hispid +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
dark +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex shape
subulate;attenuate;acute;acute +
Apex size
subequal +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
corymbiform +
Array architecture or fragility
loose +
Array development
indeterminate +  and determinate +
Author
Lowell E. Urbatsch +  and Patricia B. Cox +
Authority
(T. V. Moore) Perdue +
Band architecture
continuous +
Band quantity
1 +
Basal blade shape
oblanceolate +
Basal blade width
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Basal leaf architecture
petiolate +
Base architecture
leafy +
Base character
height +
Base position
mid +
Base shape
attenuate +  and cuneate +
Basionyms
Rudbeckia floridana var. angustifolia +
Blade architecture
compound +  and simple +
Blade length
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Blade shape
ovate;lanceolate;ovate;lanceolate;elliptic +
Blade width
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Body architecture
winged;ribbed;winged;ribbed +
Body architecture or pubescence or relief
smooth +
Body relief
tuberculate +  and rugose +
Bractlet quantity
1;15 +
Branch-style distance
1.5 +
Branch arrangement or course or shape
linear +
Branch position
proximal +
Branch quantity
1/2;4/5 +
Branch some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Cauline leaf architecture
sessile +  and petiolate +
Cauline leaf arrangement or shape
elliptic +
Corolla architecture
tipped +
Corolla coloration
yellowish green +
Corolla coloration or density
brown-purple +
Corolla some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela atypical some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +  and glabrous +
Cypsela shape
flattened +, fusiform-terete +  and obpyramidal +
Cypsela some measurement
1.5mm;2.7mm +
Disc-floret quantity
250 (500) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Disc length
1.2 cm12 mm <br />0.012 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Disc width
10mm;20mm +
Distal leaf architecture
sessile +
Distribution
Ala. +, Fla. +, Ga. +, La. +, Miss. +, S.C. +  and Tex. +
Elevation
20–80 m +
Embryo course
straight +
Face pubescence
hispid +  and more or less sericeous +
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 +
Glomerule arrangement
singly +
Habitat
Meadows, pastures, old fields, roadsides +
Head architecture
discoid +  and radiate +
Head architecture or arrangement
radiate +
Head architecture or shape
discoid +
Head arrangement
singly +
Head atypical quantity
2 (5) +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Individual head architecture
each +  and sessile +
Involucre diameter
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
fusiform;turbinate or broadly campanulate +
Lamina length
15mm;45mm +
Lamina pubescence
abaxially hispid +  and hirsute +
Lamina shape
elliptic +  and oblong or oblanceolate +
Lamina width
5mm;10mm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
opposite +
Leaf coloration
green +
Leaf position
cauline +
Leaf pubescence
not glaucous +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe coloration
greenish;yellowish +
Lobe quantity
3 (?) +
Lobe shape
deltate +  and lance-linear +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
serrate +  and entire +
Number of lower taxa
0 +
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 +
Palea some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Pappus atypical quantity
2 (5) +
Pappus duration
persistent +
Pappus length or size
longer +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus quantity
0 +  and 2 +
Pappus shape
coroniform +
Peduncle quantity
1/2 +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering spring–summer. +
Phyllary atypical quantity
5 (15) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
3 +  and 21 +
Phyllary size
unequal +
Phyllary some measurement
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Rhodora +
Publication year
1958 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
8 (13) +
Ray-floret presence
absent +
Ray-floret quantity
8 (16) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +  and smooth +
Receptacle shape
hemispheric;ovoid +
Reference
None +
Root texture
fibrous +
Scale atypical quantity
5 (10) +
Scale fusion
connate +  and distinct +
Scale quantity
2 +  and 5 +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
2 (3) +
Series quantity
2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 123.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem coloration
green +
Stem orientation
erect +
Stem pubescence
hispid +  and hirsute +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Style some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Synonyms
Rudbeckia divergens +
Taxon family
Asteraceae +
Taxon name
Rudbeckia hirta var. angustifolia +
Taxon parent
Rudbeckia hirta +
Taxon rank
variety +
Throat shape
cylindric +
Throat variability
equaling +
Tooth quantity
2 (8) +
Tube height or length or size
shorter +
Tube length or size
much longer +
Ultimate margin architecture or shape
dentate +  and entire +
Ultimate margin shape
entire +  and toothed +
Volume
Volume 21 +
Whole-organism atypical some measurement
100 cm1,000 mm <br />1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole-organism duration
perennial +, biennial +  and annual +
Whole-organism some measurement
0 cm0 mm <br />0 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole organism atypical some measurement
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
10cm (80cm) +
X chromosome quantity
19 +