Xanthisma texanum var. texanum

Endemic
Treatment appears in FNA Volume 20. Treatment on page 385.

Bodies mostly orbiculate to depressed-elliptic (1–2 × 1.5–3.5 mm distal to widest point), apices rounded, with little or no flare 1 mm from tip. 2n = 8 (+ 0–2 b), phyllaries ± expanded distal to stalks.


Phenology: Flowering spring–fall.
Habitat: Wooded areas, river bottoms, roadsides
Elevation: 200–600 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
not bristle-tipped +
not +  and cuspidate +
distinct +
1 cm10 mm <br />0.01 m <br /> (?) +
rounded +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Ronald L. Hartman +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
2-pinnatifid;pinnatifid +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
decurrent +
indurate +
lanceolate;oblanceolate or spatulate +
rugulose +  and muricate +
mostly orbiculate;depressed-elliptic +
unequal +
barbellulate +  and barbellate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
50 (?) +  and 90 (?) +
not 2-lipped +  and actinomorphic +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
compressed +, narrowly obovoid +  and oblong +
fertile +  and bisexual +
fertile +  and bisexual +
200–600 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Wooded areas, river bottoms, roadsides +
discoid +  and radiate +
in corymbiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
hemispheric +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ovate +  and orbiculate or depressed-elliptic +
unequal +
pinnatifid;2-pinnatifid +
sessile +  and short-petiolate +
cauline +  and basal +
not bristle-tipped +
triangular +
entire +  and serrulate +
pinnatifid +  and coarsely serrate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-carpellate +
usually whitish +  and brown or reddish-brown +
persistent +
flattened +
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
ebracteate +  and eglandular +
Flowering spring–fall. +
reflexed +, spreading +  and appressed +
linear +  and narrowly oblong or lanceolate +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
10 +  and 24 +
exalbuminous +
distinct +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
not wiry +  and branched +
sprawling +, spreading +  and erect +
1 +  and 3 +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Xanthisma texanum var. texanum +
Xanthisma texanum +
variety +
distinct +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
biennial +  and annual +
20 cm200 mm <br />0.2 m <br /> (70 cm700 mm <br />0.7 m <br />) +