Chaetopappa hersheyi

S. F. Blake

Proc. Biol. Soc. Wash. 59: 47. 1946.

Common names: Guadalupe lazy daisy
Endemic
Treatment appears in FNA Volume 20. Treatment on page 207. Mentioned on page 206.

Perennials, 1–2 (–5) cm, eglandular; taprooted, forming mats from systems of rhizomelike caudex branches. Leaves even-sized, densely overlapping; blades linear to oblanceolate, 3–8 × 0.5–1 mm, coriaceous, bases not clasping (margins ciliate, midnerves strongly raised, longitudinally 2-grooved adaxially), apices spinulose, faces glabrous. Involucres cylindro-turbinate, 4.5–5 × 2.5–4 mm. Ray-florets 6–10; corollas white. Disc-florets 5–6, bisexual. Cypselae ca. 1.5 mm, 2–3- (ray) or 5- (disc) nerved, strigose; pappi in 2 series, outer of minute scales less than 0.1 mm plus inner of (4–) 5 (–6) bristles 2–4.2 mm. 2n = 16.


Phenology: Flowering May–Aug.
Habitat: Walls, ledges, and banks, limestone canyons
Elevation: 1500–2400 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Chaetopappa hersheyi"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
S. F. Blake +
decurrent +
Chaetanthera +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
linear;oblanceolate +
0.5mm;1mm +
rugulose +  and muricate +
0.2 cm2 mm <br />0.002 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
Guadalupe lazy daisy +
not 2-lipped +  and actinomorphic +
cuplike +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +  and narrowly obovoid terete +
fertile +  and bisexual +
N.Mex. +  and Tex. +
1500–2400 m +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Walls, ledges, and banks, limestone canyons +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
cylindro-turbinate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
petiolate +  and sessile +
overlapping +
cauline +  and basal +
equal-sized +
deltate +
elliptic +  and linear-lanceolate +
2-carpellate +
persistent +
Flowering May–Aug. +
Proc. Biol. Soc. Wash. +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
white-hyaline +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
exalbuminous +
decumbent +  and erect +
appendaged +  and truncate +
papillate +  and smooth +
Leucelene +
Chaetopappa hersheyi +
Chaetopappa +
species +
tubular-funnelform +
taprooted +  and eglandular +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
tree +, shrub +  and subshrub +