Chaetopappa ericoides

(Torrey) G. L. Nesom

Phytologia 64: 449. 1988.

Common names: Rose-heath
Illustrated
Basionym: Inula ericoides Torrey Ann. Lyceum Nat. Hist. New York 2: 212. 1827
Synonyms: Aster arenosus (A. Heller) S. F. Blake Leucelene ericoides (Torrey) Greene
Treatment appears in FNA Volume 20. Treatment on page 207. Mentioned on page 206.

Perennials, 6–12 cm, densely stipitate-glandular or eglandular; taprooted (usually not evident in collections), forming beds or clumps of large, separate tufts connected by underground rhizomes and caudexlike, scaly-leaved stems. Leaves even-sized, densely overlapping; blades linear-oblanceolate to lanceolate, 5–11 (–20) × 0.5–2 mm, coriaceous, bases not clasping (midnerves strongly raised, longitudinally 2-grooved adaxially), apices spinulose, faces usually densely, minutely, orangish stipitate-glandular. Involucres turbinate to hemispheric, (3.5–) 4.5–6 (–7) × 4–8 mm. Ray-florets (8–) 12–24; corollas white. Disc-florets 12–24, bisexual. Cypselae 1.7–3 mm, 5-nerved, faces strigose; pappi of (20–) 24–26 (–30) barbellate bristles in 1 series. 2n = 16, 32.


Phenology: Flowering (Mar–)Apr–Aug(–Nov).
Habitat: Open sites over shale, gypsum, igneous, limestone, roadsides, grassland, Larrea flats, juniper to pinyon-juniper woodlands
Elevation: 600–2300 m

Distribution

V20-459-distribution-map.gif

Ariz., Calif., Colo., Kans., Nebr., Nev., N.Mex., Okla., Tex., Utah, Wyo., Mexico

Discussion

Chaetopappa ericoides is widespread and highly variable in the type and amount of pubescence as well as other features. Of 34 chromosome counts made from Arizona, New Mexico, Texas, and Chihuahua by D. E. Ward and R. Spellenberg (1986), all but two were tetraploid (2n = 32). L. H. Shinners (1946b) noted that the late-season forms are taller with narrower, less hairy leaves, narrower and fewer-flowered heads, and shorter ligules. Some plants lack the dense vestiture of stipitate glands; there does not appear to be a clear geographic pattern to the occurrence of such plants. Shinners also noted that a variant form in northern Mexico with fewer, more widely spaced leaves with long-attenuate bases might be considered varietally distinct; intergradation appears to be complete between these and more typical plants.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Chaetopappa ericoides"
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 +
(Torrey) G. L. Nesom +
decurrent +
Inula ericoides +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
linear-oblanceolate;lanceolate +
0.5mm;2mm +
rugulose +  and muricate +
Rose-heath +
not 2-lipped +  and actinomorphic +
cuplike +
beaked +, 2-ribbed +  and 5-ribbed +
cylindric +  and narrowly obovoid terete +
fertile +  and bisexual +
Ariz. +, Calif. +, Colo. +, Kans. +, Nebr. +, Nev. +, N.Mex. +, Okla. +, Tex. +, Utah +, Wyo. +  and Mexico +
600–2300 m +
strigose +  and stipitate-glandular +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open sites over shale, gypsum, igneous, limestone, roadsides, grassland, Larrea flats, juniper to pinyon-juniper woodlands +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
turbinate;hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
petiolate +  and sessile +
overlapping +
cauline +  and basal +
equal-sized +
deltate +
elliptic +  and linear-lanceolate +
2-carpellate +
persistent +
Flowering (Mar–)Apr–Aug(–Nov). +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
connected +
underground +
white-hyaline +
exalbuminous +
Illustrated +
scaly-leaved +
decumbent +  and erect +
caudex-like +
appendaged +  and truncate +
papillate +  and smooth +
Aster arenosus +  and Leucelene ericoides +
Chaetopappa ericoides +
Chaetopappa +
species +
tubular-funnelform +
taprooted +  and eglandular +
stipitate-glandular +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
tree +, shrub +  and subshrub +