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.

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 +