Xanthisma spinulosum var. paradoxum

(B. L. Turner & R. L. Hartman) D. R. Morgan & R. L. Hartman

Sida 20: 1409. 2003.

Endemic
Basionym: Machaeranthera pinnatifida var. paradoxa B. L. Turner & R. L. Hartman Wrightia 5: 314. 1976
Synonyms: Haplopappus spinulosus var. paradoxus (B. L. Turner & R. L. Hartman) Cronquist
Treatment appears in FNA Volume 20. Treatment on page 393. Mentioned on page 391.
Revision as of 22:22, 29 July 2020 by imported>Volume Importer
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Perennials, (15–) 30–60 cm, often woody proximally or at crowns. Stems erect to spreading, branching in proximal 1/3–2/3; mid internodes 5–20+ mm. Leaves relatively sparse, crowded proximally, mostly spreading to loosely ascending, often reduced distally, margins pinnatifid to 2-pinnatifid, lobes linear, 2–5 mm, often toothed, faces glabrous or puberulent, stipitate-glandular. Heads mostly borne singly. Peduncles short [elongate], 2–15 cm, leafy. Involucres 15–25+ mm wide.


Phenology: Flowering spring–summer.
Habitat: Rocky to sandy slopes, washes, disturbed areas
Elevation: 1400–1700 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
distinct +
acute;acuminate +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Ronald L. Hartman +
(B. L. Turner & R. L. Hartman) D. R. Morgan & R. L. Hartman +
decurrent +
indurate +
Machaeranthera pinnatifida var. paradoxa +
0.2 cm2 mm <br />0.002 m <br /> (8 cm80 mm <br />0.08 m <br />) +
oblong;lanceolate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (3 cm30 mm <br />0.03 m <br />) +
rugulose +  and muricate +
barbellulate +  and barbellate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
not 2-lipped +  and actinomorphic +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
flattened +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Colo. +, N.Mex. +  and Utah. +
1400–1700 m +
stipitate-glandular +, puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky to sandy slopes, washes, disturbed areas +
discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
hemispheric;cupulate +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
ovate +  and orbiculate or depressed-elliptic +
unequal +
1mm;2.5mm +
serrate +  and entire +
pinnatifid;deeply 2-pinnatifid +
sessile +  and short-petiolate +
mostly spreading +  and loosely ascending +
cauline +  and basal +
reduced +
bristle-tipped +
toothed +
entire +  and dentate +
pinnatifid +  and 2-pinnatifid +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2-carpellate +
persistent +
30 +  and 90 +
flattened +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
stipitate-glandular +, hairy +  and glabrous +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering spring–summer. +
light green +  and stramineous +
appressed +  and squarrose +
linear +  and linear-lanceolate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
connate +  and distinct +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
connate +  and distinct +
laciniate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
connate +  and distinct +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
exalbuminous +
unequal +
erect +  and spreading +
stipitate-glandular +, glabrous +  and hairy +
1 +  and 30 +
green patch +
expanded +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus spinulosus var. paradoxus +
Xanthisma spinulosum var. paradoxum +
Xanthisma spinulosum +
variety +
stipitate-glandular +, glabrous +  and hairy +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
at crowns +  and woody +
4 +, 3 +  and [2 +