Flora of North America species comparison

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Erigeron chrysopsidis

Erigeron chrysopsidis var. chrysopsidis

dwarf yellow fleabane
Photo is of parent taxon

dwarf yellow fleabane, golden daisy, golden fleabane
Habit Perennials, 3–15 cm; taprooted, caudices branched.
Stems

erect (bracteate), evenly hispidulous to hirsute, usually minutely glandular.

hirsuto-villous.
Leaves

mostly basal (in tufts, persistent) (petioles prominently ciliate, hairs spreading, thick-based);

blades linear to linear-oblanceolate, 40–70(–90) × 1–3 mm, cauline reduced to bracts (bases relatively thin, not sheathing), margins entire, coarsely ciliate, faces hispidulous to loosely strigose.

Involucres

(3.5–)4.5–7.5 × 9–17 mm.

5–6.5(–7.5) mm.
Ray (pistillate) florets

20–60;

corollas tubular, lacking laminae, or laminae yellow (sometimes fading on drying and appearing whitish or creamy), 2–10 mm, not coiling or reflexing.

Ray laminae

(6–)8–11 mm, surpassing involucres.
Disc corollas

4–4.5 mm (throats tubular).

3–4.5 mm.
Phyllaries

in 2–3 series, sparsely hispid, minutely glandular.

Heads

1.

Cypselae

2–2.5 mm, 2-nerved, faces sparsely strigose (carpopodia yellowish);

pappi: outer of inconspicuous setae, inner of 15–25 bristles.

Erigeron chrysopsidis

Erigeron chrysopsidis var. chrysopsidis
Phenology Flowering May–Jul(–Aug).
Habitat Dry, rocky sites, commonly with sagebrush
Elevation 800–2600 m (2600–8500 ft)
Distribution
from FNA
CA; ID; NV; OR; WA
[WildflowerSearch map]
[BONAP county map]
from FNA
OR; WA
[BONAP county map]
Discussion

Varieties 3 (3 in the flora).

Intermediates between var. austiniae and var. chrysopsidis are formed in Oregon and Idaho, where their ranges overlap.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Ray (pistillate) laminae absent or not surpassing involucres; involucres 4.5–6 mm; stems hirsuto-villous
var. austiniae
1. Ray laminae well developed (surpassing involucres); involucres 3.5–7.5 mm; stems hirsuto-villous or strigose
→ 2
2. Involucres 3.5–5.5 mm; ray corolla laminae 4–7 mm; stems strigose to hirsuto-villous
var. brevifolius
2. Involucres 5–6.5(–7.5) mm; ray corolla laminae (6–)8–11 mm; stems hirsuto-villous
var. chrysopsidis
Source FNA vol. 20, p. 287. FNA vol. 20, p. 287.
Parent taxa Asteraceae > tribe Astereae > Erigeron Asteraceae > tribe Astereae > Erigeron > Erigeron chrysopsidis
Sibling taxa
E. abajoensis, E. acomanus, E. acris, E. aequifolius, E. algidus, E. aliceae, E. allocotus, E. alpiniformis, E. anchana, E. annuus, E. aphanactis, E. arenarioides, E. argentatus, E. arisolius, E. arizonicus, E. asperugineus, E. aureus, E. barbellulatus, E. basalticus, E. bellidiastrum, E. bigelovii, E. biolettii, E. blochmaniae, E. bloomeri, E. breweri, E. caespitosus, E. calvus, E. canaani, E. canus, E. cascadensis, E. cavernensis, E. cervinus, E. clokeyi, E. compactus, E. compositus, E. concinnus, E. consimilis, E. corymbosus, E. coulteri, E. cronquistii, E. davisii, E. decumbens, E. denalii, E. disparipilus, E. divergens, E. eatonii, E. elatior, E. elatus, E. elegantulus, E. elmeri, E. engelmannii, E. evermannii, E. eximius, E. filifolius, E. flabellifolius, E. flagellaris, E. flettii, E. foliosus, E. formosissimus, E. garrettii, E. geiseri, E. glabellus, E. glacialis, E. glaucus, E. goodrichii, E. gracilis, E. grandiflorus, E. greenei, E. heliographis, E. hessii, E. howellii, E. humilis, E. hyperboreus, E. hyssopifolius, E. inornatus, E. jonesii, E. kachinensis, E. karvinskianus, E. klamathensis, E. kuschei, E. lackschewitzii, E. lanatus, E. lassenianus, E. latus, E. leibergii, E. leiomerus, E. lemmonii, E. linearis, E. lobatus, E. lonchophyllus, E. maguirei, E. mancus, E. maniopotamicus, E. mariposanus, E. melanocephalus, E. miser, E. modestus, E. muirii, E. multiceps, E. nanus, E. nauseosus, E. nematophyllus, E. neomexicanus, E. nivalis, E. ochroleucus, E. oreganus, E. oreophilus, E. ovinus, E. oxyphyllus, E. pallens, E. parishii, E. parryi, E. peregrinus, E. petrophilus, E. philadelphicus, E. pinnatisectus, E. piperianus, E. piscaticus, E. poliospermus, E. porsildii, E. pringlei, E. procumbens, E. pulchellus, E. pulcherrimus, E. pumilus, E. purpuratus, E. pygmaeus, E. quercifolius, E. radicatus, E. reductus, E. religiosus, E. rhizomatus, E. robustior, E. rybius, E. rydbergii, E. salishii, E. salmonensis, E. sanctarum, E. saxatilis, E. sceptrifer, E. scopulinus, E. serpentinus, E. sionis, E. sivinskii, E. sparsifolius, E. speciosus, E. strigosus, E. subglaber, E. subtrinervis, E. supplex, E. tenellus, E. tener, E. tenuis, E. tracyi, E. trifidus, E. tweedyi, E. uintahensis, E. uncialis, E. uniflorus, E. untermannii, E. ursinus, E. utahensis, E. vagus, E. velutipes, E. vernus, E. versicolor, E. vetensis, E. vicinus, E. vreelandii, E. watsonii, E. wilkenii, E. yukonensis
E. chrysopsidis var. austiniae, E. chrysopsidis var. brevifolius
Subordinate taxa
E. chrysopsidis var. austiniae, E. chrysopsidis var. brevifolius, E. chrysopsidis var. chrysopsidis
Synonyms Chrysopsis hirtella
Name authority A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 1(2): 210. (1884) unknown
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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