familyHypericaceae
genusHypericum
sectionHypericum sect. Myriandra
speciesHypericum hypericoides
subspeciesHypericum hypericoides subsp. multicaule

Hypericum hypericoides subsp. multicaule

(Michaux ex Willdenow) N. Robson

Taxon 29: 273. 1980.

Norman K. B. Robson
Endemic
Basionym: Ascyrum multicaule Michaux ex Willdenow Sp. Pl. 3: 1472. 1802
Synonyms: A. helianthemifolium Spach A. hypericoides var. multicaule (Michaux ex Willdenow) Fernald A. spathulatum W. P. Adams & N. Robson Hypericum hypericoides var. multicaule (Michaux ex Willdenow) Fosberg H. stragulum
Treatment appears in FNA Volume 6. Treatment on page 87.

Plants decumbent to prostrate, branching from base, mat-forming, 0.5–3 dm. Leaf-blades usually oblanceolate, 10–20 × 3–6 mm, broadest beyond middle. Inflorescences: branching dichasial (1–3-flowered) or lateral. 2n = 18.


Phenology: Flowering summer (Jun–Aug).
Habitat: Dry, rocky slopes, road embankments, dry to moist, rich woods
Elevation: 70–900 m

Distribution

V6 146-distribution-map.jpg

Ala., Ark., Del., D.C., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Hypericum hypericoides subsp. multicaule"
RDF feed
2n chromosome quantity
18 +
Amber gland coloration
reddish +  and black +
Anther architecture or shape
isodiametric +
Anther architecture or structure in adjective form
2-locular +
Anther coloration
yellow;orange +
Anther dehiscence
dehiscing +
Anther shape
oblong;ellipsoid +
Apex shape
acute;subapiculate;obtuse +
Auricle architecture or shape
glandlike +
Author
Norman K. B. Robson +
Authority
(Michaux ex Willdenow) N. Robson +
Bark pubescence
striate +  and smooth +
Bark pubescence or texture
corky +
Bark shape
punctiform +
Base architecture
not articulated +
Base fusion
distinct +
Base shape
rounded +  and cuneate +
Basionyms
Ascyrum multicaule +
Bracteole position or shape
distal +
Capsule architecture
2-5-valved +
Capsule length
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Capsule shape
narrowly compressed-ovoid;cylindric-ellipsoid +
Capsule width
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Connective coloration
Black gland (?) +
Distribution
Ala. +, Ark. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, Tenn. +, Tex. +, Va. +  and W.Va. +
Elevation
70–900 m +
Embryo course
straight +
Endosperm presence
absent +
Filament fusion
connate +  and distinct +
Flower architecture
branching +
Flower architecture or arrangement or growth form
solitary +
Flower arrangement or shape
stellate +
Flower diameter
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Fruit architecture
capsular +
Fruit dehiscence
septicidal +
Gland coloration
black +
Gland presence
absent +
Habitat
Dry, rocky slopes, road embankments, dry to moist, rich woods +
Hair architecture
simple +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence architecture
dichasial +  and branching +
Inflorescence position
lateral +
Inflorescence position or structure subtype
terminal +
Inflorescence shape
narrowly cylindric +  and pyramidal +
Inner sepal length
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Inner sepal shape
lanceolate +
Inner sepal width
2 cm20 mm <br />0.02 m <br /> (?) +
Internode architecture
2-winged +
Internode shape
terete +  and angled +
Lacuna coloration or relief
dots +
Leaf-blade length
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Leaf-blade shape
oblanceolate +
Leaf-blade width
broadest;3mm;6mm +
Leaf architecture
glanduliferous +, petiolate +, pseudopetiolate +, subsessile +, sessile +, estipulate +  and simple +
Leaf arrangement
opposite +
Leaf duration
persistent +  and deciduous +
Leaf shape
like +
Margin architecture or shape
entire +
Margin orientation
subrecurved +
Margin pubescence
glandular-ciliate +
Node quantity
1;4 +
Number of lower taxa
0 +
Outer sepal length
0.5 cm5 mm <br />0.005 m <br /> (1.25 cm12.5 mm <br />0.0125 m <br />) +
Outer sepal shape
ovate-suborbiculate +  and narrowly elliptic +
Outer sepal width
0.2 cm2 mm <br />0.002 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Ovary architecture
2-merous +
Ovary arrangement
incompletely axile +  and parietal +
Ovary position
superior +
Ovule orientation
anatropous +
Ovule quantity
1;2 +
Pair quantity
1 (2) +
Part variability
various +
Pedicel orientation
erect +
Petal architecture
glanduliferous +
Petal arrangement
contorted +  and imbricate +
Petal arrangement or shape
contorted +
Petal atypical quantity
3 (4) +
Petal coloration
pale-yellow +
Petal duration
deciduous +
Petal fusion
distinct +
Petal quantity
4 +
Petal reflectance
bright +
Petal shape
obovate;narrowly oblongelliptic +
Petal some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Phenology
Flowering summer (Jun–Aug). +
Publication title
Taxon +
Publication year
1980 +
Reference
None +
Seed shape
not carinate +
Seed some measurement
0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +  and 0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +
Sepal atypical quantity
2 (4) +
Sepal duration
persistent +
Sepal fusion
connate +  and distinct +
Sepal quantity
4 +
Sepal size
unequal +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V6/V6 146.xml +
Special status
Endemic +
Stamen arrangement
fascicles +
Stamen atypical quantity
3 (4) +
Stamen duration
persistent +
Stamen quantity
40;50 +
Staminode arrangement
fascicles +
Staminode atypical quantity
3 (?) +
Staminode presence
absent +
Staminode size
reduced +
Stigma size
minute +
Style fixation or orientation
appressed +
Style fusion
connate +  and distinct +
Style orientation
spreading;more or less appressed +
Style quantity
2;5 +
Style shape
elongate +
Synonyms
A. helianthemifolium +, A. hypericoides var. multicaule +, A. spathulatum +, Hypericum hypericoides var. multicaule +  and H. stragulum +
Taxon family
Hypericaceae +
Taxon name
Hypericum hypericoides subsp. multicaule +
Taxon parent
Hypericum hypericoides +
Taxon rank
subspecies +
Testa arrangement
scalariform +
Testa relief
finely linear-reticulate +  and linear-foveolate +
Volume
Volume 6 +
Whole organism architecture
branching +
Whole organism density
diffuse +
Whole organism duration
perennial +  and annual +
Whole organism growth form
plant +  and mat-forming +
Whole organism growth form or orientation
decumbent +  and prostrate +
Whole organism orientation
erect +  and decumbent to prostrate +
Whole organism pubescence
hairy +  and glabrous +
Whole organism quantity
3-15 dm (0.5) +
Whole organism some measurement
0.5dm (3dm) +
Whorl quantity
2 +
X chromosome quantity
6 +, 9 +  and 7 +