familyAsteraceae
tribeAsteraceae tribe Astereae
genusXanthisma
sectionXanthisma sect. Blepharodon
speciesXanthisma grindelioides
varietyXanthisma grindelioides var. depressum

Xanthisma grindelioides var. depressum

(Maguire) D. R. Morgan & R. L. Hartman

Sida 20: 1404. 2003.

Ronald L. Hartman
Endemic
Basionym: Haplopappus nuttallii var. depressus Maguire Amer. Midl. Naturalist 37: 144. 1947
Synonyms: Machaeranthera grindeloides var. depressa (Maguire) Cronquist & D. D. Keck
Treatment appears in FNA Volume 20. Treatment on page 388. Mentioned on page 389.
Revision as of 21:21, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants densely cespitose, 3–8 (–12) cm. Leaves mostly crowded at base of stems, margins conspicuously white-bristled, bristles (1.5–) 2–4 mm. Heads usually 1. Peduncles 1–4 cm, usually ebracteate, occasionally bracteate.


Phenology: Flowering summer.
Habitat: Calcareous or clayey slopes
Elevation: 1300–2000 m

Distribution

V20-884-distribution-map.gif

Nev., Utah.

Discussion

Variety depressum was attributed to Arizona by J. T. Kartesz and C. A. Meacham (1999), but I have seen no specimen from there.

Selected References

None.

Lower Taxa

None.
... more about "Xanthisma grindelioides var. depressum"
RDF feed
Abaxial bristle quantity
0 +  and 1/3 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture
tipped +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex shape
obtuse;acute +
Apex size
subequal +
Apex texture
scarious +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Ronald L. Hartman +
Authority
(Maguire) D. R. Morgan & R. L. Hartman +
Band architecture
continuous +
Band quantity
1 +
Basal leaf duration
persistent +
Base growth form or texture
with green or purple-tinged strip or patch +  and herbaceous +
Base position or shape
distal +
Base quantity
1/4;1/2 +
Base shape
decurrent +
Base size
expanded +
Base size or width
thickened +
Base texture
indurate +
Basionyms
Haplopappus nuttallii var. depressus +
Blade architecture
1-nerved +
Blade length
0.7 cm7 mm <br />0.007 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Blade shape
lanceolate;spatulate or narrowly ovate +
Blade size
reduced +
Blade width
0.2 cm2 mm <br />0.002 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle atypical some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Bristle coloration
white +
Bristle pappus duration
persistent +
Bristle pappus some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Bristle shape
Flattened (?) +
Bristle some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Calyculus presence
absent +
Caudex architecture
branched +
Cauline leaf arrangement
spaced +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +, purple +, pink +  and white +
Corolla coloration or density
red-purple +
Corolla presence
absent +
Corolla some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
6-18-ribbed +
Cypsela atypical some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Cypsela growth form
dimorphic +
Cypsela shape
oblong +  and narrowly obovoid +
Cypsela some measurement
2mm;3.5mm +
Disc-floret quantity
15 (50) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distal 1/3 fragility or size
Moderately stout (Stout) +
Distribution
Nev. +  and Utah. +
Elevation
1300–2000 m +
Embryo course
straight +
Face pubescence
stipitate-glandular +  and hairy +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret presence
absent +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Calcareous or clayey slopes +
Head architecture
discoid +  and radiate +
Head arrangement
in corymbiform arrays +  and singly +
Head development
indeterminate +
Head quantity
1 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre length
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric;campanulate +
Involucre width
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Lamina shape
ovate +  and orbiculate or depressed-elliptic +
Lamina size
unequal +
Leaf-blade architecture or shape
dentate +  and serrate +
Leaf-blade shape
pinnatifid;entire +
Leaf architecture
sessile +  and short-petiolate +
Leaf arrangement
crowded +
Leaf position
cauline +  and basal +
Line quantity
2 +
Lobe architecture
bristle-tipped +
Lobe atypical quantity
4 (5) +
Lobe length
Spreading (?) +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Margin architecture or shape
serrate +
Margin shape
white-bristled +
Margin shape or architecture
serrate to serrulate +
Margin texture
scarious +
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 +
Pappus architecture
barbellate +
Pappus coloration
whitish +  and tawny +
Pappus duration
persistent +
Pappus quantity
30 +  and 90 +
Pappus shape
flattened +
Pappus some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Peduncle architecture
bracteate +  and ebracteate +
Peduncle pubescence
stipitate-glandular +  and hairy +
Peduncle some measurement
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering summer. +
Phyllarie architecture
1-nerved +
Phyllarie coloration
stramineous +
Phyllarie duration
persistent +
Phyllarie fragility
stiff +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie orientation
appressed +  and reflexed +
Phyllarie quantity
26 (80) +
Phyllarie shape
oblong +  and broadly lanceolate +
Phyllarie size
unequal +
Phyllarie some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Phyllarie texture
Leathery (?) +
Phyllarie width
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Pit border shape
laciniate +
Publication title
Sida +
Publication year
2003 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
12 (60) +
Ray-floret reproduction
fertile +
Ray corolla coloration
purple +, lavender +, pink +  and white +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
flat;convex +
Reference
None +
Rhizome architecture
branched +
Rhizome diameter
0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Rhizome quantity
3 (10) +
Rhizome shape
elongate +
Rib coloration
densely whitish +  and tawny +
Rib pubescence
hairy +
Rib quantity
12 +  and 24 +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
3;5 +
Series size
unequal +
Seta coloration
white +
Seta fusion
distinct +
Seta some measurement
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 884.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
not wiry +, branched +  and simple +
Stem orientation
sprawling +, spreading +  and erect +
Stem pubescence
stipitate-glandular +  and hairy +
Stem quantity
10 +  and 30 +
Strip coloration
purple-tinged +  and green +
Style-branch appendage shape
lanceolate +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Machaeranthera grindeloides var. depressa +
Taproot some measurement
2cm (20cm) +
Taproot texture
woody +
Taxon family
Asteraceae +
Taxon name
Xanthisma grindelioides var. depressum +
Taxon parent
Xanthisma grindelioides +
Taxon rank
variety +
Tooth architecture
tipped +
Tooth fusion
forming reticulum +  and distinct +
Tooth quantity
4 (16) +
Tooth some measurement
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Tube quantity
1/4 (1/3) +
Volume
Volume 20 +
Wall architecture or shape
6-18-ribbed +
Wall prominence
prominent +
Wall width
thick +
Whole-organism duration
perennial +
Whole-organism some measurement
3 cm30 mm <br />0.03 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Whole organism atypical some measurement
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Whole organism growth form
plant +  and cespitose +
Whole organism some measurement
3cm (8cm) +
X chromosome quantity
4 +