familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Gaillardiinae
genusPsilostrophe
speciesPsilostrophe tagetina

Psilostrophe tagetina

(Nuttall) Greene

Pittonia 2: 176. 1891.

John L. Strother
Illustrated
Basionym: Riddellia tagetina Nuttall Trans. Amer. Philos. Soc., n. s. 7: 371. 1841 (as tagetinae)
Synonyms: Psilostrophe tagetina var. grandiflora (Rydberg) Heiser Psilostrophe tagetina var. lanata A. Nelson
Treatment appears in FNA Volume 21. Treatment on page 455. Mentioned on page 454.
Revision as of 22:41, 29 July 2020 by imported>Volume Importer
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Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

Biennials or perennials (rarely flowering first-year), 10–30 (–60+) cm. Stems arachno-villous (gray to gray-green). Heads in ± loose to crowded, corymbiform arrays. Peduncles (3–) 12–20 (–40) mm. Involucres 4–8 mm. Rays 3–4 (–6); laminae (3–) 7–14+ mm, spreading in fruit. Disc-florets 6–9 (–12). Cypselae usually glabrous, sometimes hirtellous and/or glanddotted; pappi of (4–) 6–8 elliptic or lanceolate to lance-subulate scales 2–3+ mm. 2n = 32.


Phenology: Flowering (Apr–)May–Sep(–Dec).
Habitat: Desert scrub, grasslands, limestone soils, saline flats, sandy soils
Elevation: (300–)600–2400 m

Distribution

V21-1143-distribution-map.gif

Ariz., N.Mex., Tex., Utah, Mexico (Chihuahua), Mexico (Coahuila)

Discussion

See comments under 6. Psilostrophe villosa.

Selected References

None.

Lower Taxa

None.
... more about "Psilostrophe tagetina"
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2n chromosome quantity
32 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
pale +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
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 arrangement
compact +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
(Nuttall) Greene +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Riddellia tagetina +
Blade architecture
compound +  and simple +
Blade shape
spatulate;oblanceolate or linear +
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 quantity
35;150 +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Corolla architecture
zygomorphic +
Corolla coloration
yellow +  and orange +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
striate-ribbed +
Cypsela growth form
dimorphic +
Cypsela pubescence
hirtellous +  and glabrous +
Cypsela shape
obcompressed +, cylindric +  and clavate or obpyramidal +
Disc-floret architecture
staminate +
Disc-floret atypical quantity
9 (12) +
Disc-floret quantity
6 (9) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ariz. +, N.Mex. +, Tex. +, Utah +, Mexico (Chihuahua) +  and Mexico (Coahuila) +
Elevation
(300–)600–2400 m +
Embryo course
straight +
Face pubescence
strigillose +  and arachno-villous +
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 architecture
corymbiform +
Glomerule arrangement
singly +
Habitat
Desert scrub, grasslands, limestone soils, saline flats, sandy soils +
Head architecture
glomerulate +
Head architecture or arrangement
radiate +
Head arrangement
cluster +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Involucre position relational
surrounding +
Involucre shape
cylindric;campanulate or obconic +
Involucre some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Lamina atypical some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Lamina orientation
spreading +
Lamina some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +, all +  and basal +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or shape
entire +
Number of lower taxa
0 +
Outer phyllary fusion
connate +  and distinct +
Outer phyllary shape
ovate +, oblong +, oblanceolate +, linear +, lanceolate +  and elliptic +
Outer phyllary size
unequal +  and subequal +
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 +
Pappus duration
persistent +
Pappus life cycle
falling +
Peduncle atypical some measurement
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Peduncle some measurement
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering (Apr–)May–Sep(–Dec). +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
5 +  and 12 +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Pittonia +
Publication year
1891 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
1 (8) +
Ray-floret reproduction
fertile +
Ray atypical quantity
4 (6) +
Ray quantity
3;4 +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +  and smooth +
Receptacle shape
convex;flat +
Reference
None +
Root texture
fibrous +
Scale architecture or shape
entire +
Scale atypical quantity
4 (6) +
Scale presence
absent +
Scale quantity
6 +  and 8 +
Scale shape
lanceolate +  and lance-subulate +
Scale some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
1;2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 1143.xml +
Special status
Illustrated +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
erect +  and spreading +
Stem pubescence
arachno-villous +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Psilostrophe tagetina var. grandiflora +  and Psilostrophe tagetina var. lanata +
Taxon family
Asteraceae +
Taxon name
Psilostrophe tagetina +
Taxon parent
Psilostrophe +
Taxon rank
species +
Throat shape
cylindric +
Tube height or length or size
shorter +
Tube shape
dilated +
Tube variability
equaling +
Ultimate margin shape
toothed +  and entire +
Volume
Volume 21 +
Whole-organism atypical some measurement
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole-organism duration
perennial +  and biennial +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
8cm (60cm) +
X chromosome quantity
16 +