Chaetopappa effusa

(A. Gray) Shinners

Wrightia 1: 68. 1946.

Common names: Spreading lazy daisy
Endemic
Basionym: Keerlia effusa A. Gray Boston J. Nat. Hist. 6: 222. 1850
Treatment appears in FNA Volume 20. Treatment on page 208. Mentioned on page 206.

Perennials, 20–80 cm, eglandular; fibrous-rooted, with caudexlike, lignescent rhizomes. Leaves not densely overlapping, proximal and mid cauline blades oblong to lanceolate-oblong, 10–20 × 6–12 mm, abruptly reduced distally, herbaceous, bases truncate to subcordate, subclasping, flat, faces sparsely hispidulous to hispido-pilose. Involucres conic to broadly cylindric, 3–4.5 × 2–2.5 mm. Ray-florets 6–9; corollas white. Disc-florets 4–7, functionally staminate. Cypselae 1.6–2.2 mm, 2 (–3) -nerved (ray) or 3–5-nerved (disc), strigose; pappi in 1 series, thickened rings or minute, erose crowns less than 0.1 mm. 2n = 16.


Phenology: Flowering (May–)Jul–Oct.
Habitat: Limestone cliffs, ledges, bluffs, steep hillsides, sometimes in seepy areas, oak-juniper, oak, or mixed deciduous woods
Elevation: 300–500 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Chaetopappa effusa"
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 +
(A. Gray) Shinners +
subclasping +
truncate +  and subcordate +
Keerlia effusa +
linear;oblanceolate-obovate or spatulate +
rugulose +  and muricate +
Spreading lazy daisy +
not 2-lipped +  and actinomorphic +
cuplike +
3-5-nerved +  and 2(-3)-nerved +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +  and narrowly obovoid terete +
fertile +  and bisexual +
fertile +  and bisexual +
300–500 m +
gland-dotted +
sparsely hispidulous +  and hispido-pilose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Limestone cliffs, ledges, bluffs, steep hillsides, sometimes in seepy areas, oak-juniper, oak, or mixed deciduous woods +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
conic;broadly cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
petiolate +  and sessile +
overlapping +
cauline +  and basal +
deltate +
elliptic +  and linear-lanceolate +
2-carpellate +
persistent +
Flowering (May–)Jul–Oct. +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
caudex-like +
lignescent +
minute +
white-hyaline +
exalbuminous +
decumbent +  and erect +
appendaged +  and truncate +
papillate +  and smooth +
Leucelene +
Chaetopappa effusa +
Chaetopappa +
species +
tubular-funnelform +
fibrous-rooted +  and eglandular +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
tree +, shrub +  and subshrub +