Flora of North America species comparison

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Ericameria zionis

Ericameria obovata

subalpine goldenbush, subalpine or Cedar Breaks goldenbush

Rydberg's goldenbush
Habit Plants 10–30 cm. Plants 20–40 cm.
Stems

decumbent to ascending, green when young, often reddish tinged, soon reddish brown to brown, branched, twigs long-stipitate-glandular (sometimes with crinkly hairs interspersed).

erect to ascending, green, becoming tan, branched, stipitate-glandular.
Leaves

mostly erect or ascending;

blades spatulate (flat), 25–40 × 2.5–7 mm, midnerves (plus 2 smaller, collateral nerves) evident, apices acuminate, faces long-stipitate-glandular;

fascicles absent.

ascending;

blades obovate to spatulate (flat), 10–30 × 4–12 mm, midnerves evident (1–2 collateral nerves sometimes present, abaxial reticulum of secondary veins often evident), (margins often undulate) apices obtuse, apiculate, faces densely stipitate-glandular;

axillary fascicules usually absent.
Peduncles

3–15 mm (long-stipitate-glandular, bracts 0–3, phyllary-like).

1–7 mm (stipitate-glandular).
Involucres

turbinate to narrowly campanulate, 14–22 × 6–8 mm.

obconic, 6–8 × 4–7 mm.
Ray florets

0.

4–9;

laminae elliptic, 3.5–6 × 1.2–1.8 mm.
Disc florets

10–21;

corollas 9.5–12 mm.

9–15;

corollas 6.2–6.8 mm.
Phyllaries

17–23 in 2–4 series, tan to green, lanceolate to elliptic, 10–14 × 1.6–2.7 mm, subequal (outer often slightly longer than inner), outer herbaceous or with herbaceous cusps, inner mostly chartaceous, midnerves (often plus 2 collateral nerves) evident, (margins villous distally) apices acute to acuminate, abaxial faces stipitate-glandular, inner sometimes glabrous.

22–28 in 4–6 series, tan, ovate to elliptic, 1–6 × 0.5–1.2 mm, strongly unequal, mostly chartaceous, midnerves evident, (margins narrowly membranous, entire or minutely lacerate) apices acute to acuminate, abaxial faces mostly stipitate-glandular, resinous.
Heads

in (leafy) congested, paniculiform to cymiform arrays (1–4 cm wide).

in cymiform to racemiform arrays (1–3 cm wide).
Cypselae

tan to reddish, ellipsoid, 7–8 mm, glabrous or apically hairy;

pappi off-white to brown, sometimes reddish, 9–9.5 mm.

tan to reddish brown, columnar, 3.5–4.5 mm [ribs unknown], villous;

pappi tan, 4–5.5 mm.
2n

= 18 [as Haplopappus bloomeri subsp. compactus].

= 36.

Ericameria zionis

Ericameria obovata
Phenology Flowering summer–fall. Flowering late summer–fall.
Habitat Gravelly to sandy clay soils with manzanita, spruce, fir, and pine Open rocky soils, mostly associated with desert shrub, pinyon-juniper, and lower ponderosa pine
Elevation 2400–3100 m (7900–10200 ft) 1500–3400 m (4900–11200 ft)
Distribution
from FNA
UT
[BONAP county map]
from FNA
UT
[BONAP county map]
Discussion

Of conservation concern.

Ericameria zionis is known from southern Utah.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 77. FNA vol. 20, p. 69.
Parent taxa Asteraceae > tribe Astereae > Ericameria Asteraceae > tribe Astereae > Ericameria
Sibling taxa
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis
Synonyms Haplopappus zionis Macronema obovatum, Haplopappus rydbergii, Haplopappus watsonii var. rydbergii
Name authority (L. C. Anderson) G. L. Nesom: Phytologia 68: 153. (1990) (Rydberg) G. L. Nesom: Phytologia 68: 152. (1990)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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