Perityle bisetosa var. bisetosa

EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 326. Mentioned on page 325.

Plants 2–7 (–10) cm. Leaves usually opposite; petioles 0–2 mm; blades ovate or ovatelanceolate to lanceolate, margins entire or subserrate, faces glabrate; pappi of 2 bristles. 2n = 34.


Phenology: Flowering spring–fall
Habitat: Limestone caprocks
Elevation: 1200–1300 m

Discussion

Of conservation concern.

Variety bisetosa appears to be restricted to a relatively small area in extreme southern Pecos County and adjacent Brewster County.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Sharon C. Yarborough +  and A. Michael Powell +
(Torrey ex A. Gray) Shinners +
decurrent +
Laphamia bisetosa +
compound +  and simple +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
ovatelanceolate;lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
subplumose +, barbellulate +  and smooth +
subequal +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
oblong +  and oblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
1200–1300 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Limestone caprocks +
discoid +  and radiate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
indeterminate +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
homogamous +  and heterogamous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
campanulate +
0.35 cm3.5 mm <br />0.0035 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
sessile +  and petiolate +
deltate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
subserrate +  and entire +
shallow-lobed +  and serrate +
calloused +
2-carpellate +
persistent +
of 1-2(-6) equal or subequal , smooth , antrorsely barbellulate or subplumose , bristles +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering spring–fall +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
8 +  and 10 +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
SouthW. Naturalist +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
Endemic +  and Conservation concern +
erect +  and pendent +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Amauriinae +
Perityle bisetosa var. bisetosa +
Perityle bisetosa +
variety +
tubular +  and subfunnelform +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
lobed +, toothed +  and entire +
scabrous-hispidulous +, hairy +, glabrous +  and glabrate +
2 cm20 mm <br />0.02 m <br /> (12 cm120 mm <br />0.12 m <br />) +
7 cm70 mm <br />0.07 m <br /> (10 cm100 mm <br />0.1 m <br />) +