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slender daisy, slender fleabane, thin daisy

Garrett's fleabane

Habit Perennials, 2–15(–20) cm; taprooted, caudex branches commonly relatively slender, lignescent. Perennials, (3–)5–23 cm; taprooted, caudex branches lignescent, apparently elongate.
Stems

erect, sparsely strigillose (hairs white, stiff), sometimes minutely glandular.

erect, sparsely strigillose to glabrate, eglandular.

Leaves

mostly basal (persistent); (gray-green) blades 1-nerved spatulate, rhombic-elliptic to narrowly elliptic-ovate, (10–)15–80 × 2–7 mm, margins entire (apices sharply acute), faces moderately to densely strigillose (hairs white, stiff), eglandular.

mostly basal (persistent);

blades oblanceolate to spatulate (not folding), 20–70(–120) × 3–13 mm, cauline abruptly reduced distally (bases not clasping), margins entire, sparsely ciliate (apices rounded to acute), faces glabrate or glabrous, eglandular.

Involucres

3–5 × 6–12 mm.

5–8 × 8–17 mm.

Ray florets

(15–)20–40;

corollas blue to purple, 4–8 mm, laminae not coiling or reflexing.

20–35;

corollas white, drying white or sometimes lilac-tinged, 7–13 mm, laminae coiling.

Disc corollas

2.5–4.1 mm.

3.9–5.3 mm.

Phyllaries

in 2–3 series, sparsely to moderately hirsute, densely minutely glandular.

in 2–3 series (purplish at least at tips), glabrous or sparsely strigillose, densely minutely glandular.

Heads

1(–3).

1.

Cypselae

1.6–2.5 mm, 2-nerved, faces sparsely strigose;

pappi: outer of setae, inner of 15–25(–30) bristles.

2.5–3 mm, 2(–3)-nerved, faces sparsely strigose;

pappi: outer of setae or scales, inner of 13–23 (white-shiny) bristles.

2n

= 18.

= 18.

Erigeron tener

Erigeron garrettii

Phenology Flowering Jun–Sep. Flowering Jun–Aug.
Habitat Rocky or gravelly habitats, often in talus, cliff ledges, crevices, or along ridgetops, in Atriplex, sagebrush, pinyon-juniper, yellow pine, bristlecone pine, limber pine, or spruce Moist cliff faces and crevices, mostly limestone, soil among boulders
Elevation 1700–3200(–3400) m (5600–10500(–11200) ft) 2700–3800 m (8900–12500 ft)
Distribution
from FNA
AZ; CA; ID; MT; NV; OR; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 304. FNA vol. 20, p. 307.
Parent taxa Asteraceae > tribe Astereae > Erigeron Asteraceae > tribe Astereae > Erigeron
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. 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. 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. 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. 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
Synonyms E. caespitosus var. tenerus E. controversus
Name authority (A. Gray) A. Gray: Notes Compositae, 91. (1880) A. Nelson: in J. M. Coulter and A. Nelson, New Man. Bot. Rocky Mt., 526. (1909)
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