familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Marshalliinae
genusMarshallia
speciesMarshallia trinervia

Marshallia trinervia

(Walter) Trelease

Rep. (Annual) Arkansas Geol. Surv. 1888(4): 196. 1891.

Linda E. Watson
Endemic
Basionym: Athanasia trinervia Walter Fl. Carol., 201. 1788
Treatment appears in FNA Volume 21. Treatment on page 457.

Plants 40–60 (–80) cm (rhizomatous). Leaves mostly cauline (not notably reduced distally); proximal petiolate; blades strongly 3-nerved, ovate, 4–10 cm × 11–30 mm. Heads 1–5, 20–33 mm diam. Peduncles 5–15+ cm. Phyllaries 8–12 × 1.5–3 mm, apices acute. Paleae ± linear, apices acute. Corollas pink, lobes 3.5–7.5 × 0.5–1 mm. Pappi: scale margins serrulate. 2n = 18.


Phenology: Flowering May–Jun.
Habitat: Understories, mixed hardwood forests, along streams, slightly disturbed sites
Elevation: 100–500 m

Distribution

V21-1147-distribution-map.gif

Ala., Ga., La., Miss., N.C., S.C., Tenn.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Marshallia trinervia"
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2n chromosome quantity
18 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
cream +  and purple +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex shape
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 +  and open +
Array development
indeterminate +  and determinate +
Author
Linda E. Watson +
Authority
(Walter) Trelease +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Athanasia trinervia +
Blade architecture
3-nerved +
Blade arrangement or course or shape
linear +
Blade arrangement or shape
elliptic +
Blade length
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Blade shape
ovate +
Blade width
1.1 cm11 mm <br />0.011 m <br /> (3 cm30 mm <br />0.03 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) +
Cauline leaf architecture
sessile +  and petiolate +
Cauline leaf arrangement
alternate +
Cauline leaf position
basal +
Corolla architecture
zygomorphic +
Corolla coloration
pink +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +
Cypsela shape
clavate +  and turbinate +
Disc-floret atypical quantity
90 (160) +
Disc-floret quantity
45 (90) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ala. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +  and Tenn. +
Elevation
100–500 m +
Embryo course
straight +
Face pubescence
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 +
Funnelform variability
equaling +
Glomerule arrangement
singly +
Habitat
Understories, mixed hardwood forests, along streams, slightly disturbed sites +
Head architecture or shape
discoid +
Head arrangement
in open , corymbiform arrays +  and singly +
Head development
indeterminate +
Head diameter
2 cm20 mm <br />0.02 m <br /> (?) +  and 3.3 cm33 mm <br />0.033 m <br /> (?) +
Head quantity
1;5 +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric;obconic +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe length
3.5mm (7.5mm) +
Lobe quantity
5 (?) +
Lobe shape
lance-linear +  and linear-oblong +
Lobe width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
Margin architecture or shape
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 arrangement or course or shape
linear +
Pappus duration
persistent +
Pappus life cycle
falling +
Peduncle some measurement
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering May–Jun. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary length
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Phyllary life cycle
falling +
Phyllary quantity
12 +  and 24 +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Phyllary width
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Proximal leaf architecture
petiolate +
Publication title
Rep. (Annual) Arkansas Geol. Surv. +
Publication year
1891 +
Ray-floret architecture
styliferous +, neuter +  and pistillate +
Ray-floret presence
absent +
Ray-floret reproduction
sterile +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
convex;conic +
Reference
None +
Root texture
fibrous +
Scale atypical quantity
5 (6) +
Scale margin architecture or shape
serrulate +
Scale quantity
5 +
Scale shape
lance-deltate +  and lance-attenuate +
Scale texture
scarious +  and membranous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 1147.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
erect +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Compositae +
Taxon family
Asteraceae +
Taxon name
Marshallia trinervia +
Taxon parent
Marshallia +
Taxon rank
species +
Throat variability
equaling +
Tube length or size
longer +
Volume
Volume 21 +
Whole-organism atypical some measurement
80 cm800 mm <br />0.8 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
Whole-organism duration
perennial +
Whole-organism some measurement
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Whole organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
40cm (60cm) +
X chromosome quantity
9 +