familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Helianthinae
genusHelianthus
speciesHelianthus debilis
subspeciesHelianthus debilis subsp. cucumerifolius

Helianthus debilis subsp. cucumerifolius

(Torrey & A. Gray) Heiser

Madroño 13: 160. 1956.

Edward E. Schilling
Common names: Cucumberleaf sunflower
Endemic
Basionym: Helianthus cucumerifolius Torrey & A. Gray Fl. N. Amer. 2: 319. 1842
Synonyms: Helianthus debilis var. cucumerifolius (Torrey & A. Gray) A. Gray
Treatment appears in FNA Volume 21. Treatment on page 151. Mentioned on page 150.

Stems erect, hispid. Leaf-blades 4–9 cm, margins usually shallowly, regularly serrate, abaxial faces sometimes glanddotted. Peduncles 25–50 cm. Ray laminae (15–) 20–30 mm. Discs 16–18 (–20) mm diam. 2n = 34.


Phenology: Flowering spring–fall.
Habitat: Open areas, sandy soils
Elevation: 10–100+ m

Distribution

V21-354-distribution-map.gif

Conn., Fla., Ga., La., Md., Mass., Mich., N.H., N.Y., N.C., Pa., R.I., S.C., Tex., Vt., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Helianthus debilis subsp. cucumerifolius"
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2n chromosome quantity
34 +
Abaxial face pubescence
hispid +, glabrous +  and glabrate +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther coloration
dark +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
pale +  and dark +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex shape
3-toothed;acute;long-attenuate +
Apex size
subequal +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage coloration
dark +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
spiciform +, paniculiform +  and corymbiform +
Array development
indeterminate +  and determinate +
Author
Edward E. Schilling +
Authority
(Torrey & A. Gray) Heiser +
Band architecture
continuous +
Band quantity
1 +
Base shape
cordate +  and truncate or broadly cuneate +
Basionyms
Helianthus cucumerifolius +
Blade-leaf distance
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Blade architecture
3-nerved +
Blade length
2.5 cm25 mm <br />0.025 m <br /> (14 cm140 mm <br />0.14 m <br />) +
Blade shape
ovate;lanceovate;ovate;lanceovate;deltate-ovate +
Blade width
1.8 cm18 mm <br />0.018 m <br /> (13 cm130 mm <br />0.13 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 arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Common name
Cucumberleaf sunflower +
Corolla architecture
zygomorphic +
Corolla coloration
reddish +  and yellow +
Corolla some measurement
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +  and glabrous +
Cypsela shape
compressed +  and obpyramidal +
Cypsela some measurement
2.5mm;3.2mm +
Disc-floret atypical quantity
15 (30) +
Disc-floret quantity
30 (150) +
Disc-floret reproduction
fertile +  and bisexual +
Disc diameter
1.6 cm16 mm <br />0.016 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Conn. +, Fla. +, Ga. +, La. +, Md. +, Mass. +, Mich. +, N.H. +, N.Y. +, N.C. +, Pa. +, R.I. +, S.C. +, Tex. +, Vt. +, Va. +  and W.Va. +
Elevation
10–100+ m +
Embryo course
straight +
Face pubescence
hairy +  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 +
Glomerule arrangement
singly +
Habitat
Open areas, sandy soils +
Head architecture or arrangement
radiate +
Head architecture or shape
discoid +
Head arrangement
in more or less corymbiform , paniculiform or spiciform , arrays +  and singly +
Head development
indeterminate +
Head quantity
1;3 +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Individual head architecture
each +  and sessile +
Involucre diameter
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric +
Lamina some measurement
1.2 cm12 mm <br />0.012 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe coloration
yellow;reddish +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Margin architecture or shape
serrate +
Margin shape
subentire +  and serrate +
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
0.75 cm7.5 mm <br />0.0075 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus shape
coroniform +
Peduncle some measurement
25 cm250 mm <br />0.25 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Petiole some measurement
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Phenology
Flowering spring–fall. +
Phyllary atypical quantity
45 (100) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary length
0.8 cm8 mm <br />0.008 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Phyllary life cycle
falling +
Phyllary quantity
20 +  and 30 +
Phyllary shape
Lanceolate (?) +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Phyllary width
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Publication title
Madroño +
Publication year
1956 +
Ray-floret architecture
neuter +
Ray-floret atypical quantity
30 (100) +
Ray-floret presence
absent +
Ray-floret quantity
11 (20) +
Ray-floret reproduction
sterile +
Ray lamina atypical some measurement
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Ray lamina some measurement
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
flat;slightly convex +
Reference
None +
Root texture
fibrous +
Scale architecture or relief
erose +
Scale atypical quantity
2 (3) +
Scale height or length or size
shorter +
Scale quantity
2 +
Scale shape
lance-linear +  and lanceolate +
Scale some measurement
0.12 cm1.2 mm <br />0.0012 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
2;3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 354.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem growth form
procumbent +  and decumbent +
Stem orientation
erect +
Stem pubescence
hispid +
Stigmatic papilla architecture
continuous +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Helianthus debilis var. cucumerifolius +
Taxon family
Asteraceae +
Taxon name
Helianthus debilis subsp. cucumerifolius +
Taxon parent
Helianthus debilis +
Taxon rank
subspecies +
Throat shape
campanulate +
Throat variability
equaling +
Tube height or length or size
shorter +
Ultimate margin shape
toothed +  and entire +
Volume
Volume 21 +
Whole-organism atypical some measurement
300 cm3,000 mm <br />3 m <br /> (500 cm5,000 mm <br />5 m <br />) +
Whole-organism duration
perennial +  and annual +
Whole-organism some measurement
30 cm300 mm <br />0.3 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism atypical some measurement
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
20cm (500cm) +
X chromosome quantity
17 +