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California rayless daisy, California rayless fleabane, lava rayless fleabane, rayless fleabane, unadorned fleabane, western rayless fleabane
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glacier fleabane, subalpine fleabane, wandering fleabane
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| Perennials, 20–70(–90) cm; taprooted, woody. |
Perennials, 5–55(–70) cm; rhizomatous, fibrous-rooted, caudices usually simple, thick. |
basally decumbent, abruptly erect, usually glabrous or glabrate, rarely sparsely strigose on proximal 1/2, or hirsutulous proximally and strigose distally, or distally densely hirsutulous (hairs usually ± deflexed, sometimes loosely antrorsely ascending; var. keilii), eglandular. |
erect to ascending, hirsute or hirsuto-villous to densely strigillose (hairs loosely appressed, slightly crinkled), eglandular. |
cauline; blades narrowly oblong-oblanceolate to linear, 20–60 × 2–7 mm, seldom reduced distally, margins entire, faces glabrous, sparsely strigose, or hispid, eglandular. |
basal (usually persistent) and cauline; basal blades linear-oblanceolate to broadly lanceolate or spatulate, (20–)30–160(–200) × 7–45 mm; cauline gradually reduced distally (bases distinctly subclasping, except when greatly reduced), margins entire, faces glabrous or glabrate, hirsute, or villous to sparsely villosulous, eglandular. |
4.5–6.5 × 7–12 mm. |
6–9(–12) × 10–22(–25) mm. |
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30–80; corollas usually blue to rose purple or pink, sometimes white to pale blue, 8–16(–25) mm (mostly 1.5–3 mm wide), laminae coiling. |
0. |
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3.8–4.5 mm (throats slightly indurate, not inflated). |
3.8–6 mm. |
in 3–5 series (margins broad, stramineous, midveins orange, thin), glabrous, usually eglandular, rarely minutely glandular. |
in 2–3(–4) series (faces and margins) usually glabrous, rarely sparsely villous (cross walls not colored), densely and evenly stipitate-glandular. |
(discoid) (1–)2–15 in corymbiform arrays. |
1(–8). |
2–3 mm, 2-nerved, faces glabrous; pappi: outer of setae, inner of 28–45 bristles. |
2.5–2.8 mm, (4–)5(–7)-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20–30 bristles. |
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CA; NV; OR; WA
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AK; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; YT
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Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
1. Distal stems densely hirsutulous (hairs slightly deflexed, sometimes densely ascending-strigose) | var. keilii |
1. Distal stems usually sparsely strigose or glabrous | → 2 |
2. Stems 10–20 cm, decumbent-ascending, hirsutulous (hairs spreading-deflexed) in proximal 1/2; proximal and mid leaf margins with stiff, spreading cilia, faces hispid; involucres 5–6.5 mm | var. calidipetris |
2. Stems 30–70(–90) cm, basally ascending, distally erect, strigose in proximal 1/2; proximal and mid leaf margins eciliate, faces strigose; involucres 4.5–5.5 mm | var. inornatus |
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1. Peduncles densely strigillose with loosely appressed, slightly crinkled hairs; leaf faces glabrous or villous | var. glacialis |
1. Peduncles hirsute to hirsuto-villous; leaf faces hirsute to hirsuto-villous | var. hirsutus |
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| FNA vol. 20, p. 314. |
FNA vol. 20, p. 329. |
| Asteraceae > tribe Astereae > Erigeron |
Asteraceae > tribe Astereae > Erigeron |
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. chrysopsidis, 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. 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. 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. chrysopsidis, 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. 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 |
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| E. foliosus var. inornatus |
Aster glacialis, E. salsuginosus var. glacialis |
| (A. Gray) A. Gray: Notes Compositae, 88. (1880) |
(Nuttall) A. Nelson: Bot. Gaz. 37: 270. (1904) |
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CA, 
OR, 
WA
Flora NW, 
PNW Herbaria
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
