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Brewer's daisy, Brewer's fleabane

Clokey's daisy, Clokey's fleabane

Habit Perennials, 7–75 cm; taprooted (taproots usually not collected, often weakly developed), roots and caudices woody, branches rhizomelike (3–15 cm; fibrous-rooted), relatively slender, leafless, ascending. Perennials, 3–20(–30) cm; taprooted, caudices usually branched, retaining old leaf bases.
Stems

usually ascending, sometimes prostrate to procumbent or decumbent (var. jacinteus) (often purple, distal branches stiff, spreading-ascending), hispid (hairs spreading-deflexed, 0.1–0.4 mm), mostly eglandular.

usually ascending to erect, moderately hirsute to hispidulous (hairs spreading-deflexed), minutely glandular at least distally.

Leaves

cauline; (ascending) blades narrowly oblong-lanceolate to narrowly obovate, 10–40 × 2–5 mm, margins entire, relatively evenly spaced and sized, hispid, mostly eglandular.

basal (persistent) and cauline (petioles prominently ciliate, hairs spreading, thick-based);

basal blades 1–3-nerved, narrowly oblanceolate (often folding), 20–50(–80) × 1–5 mm, margins entire, faces strigose or hispidulous to hirsutulous, minutely glandular;

cauline blades linear to linear-lanceolate, reduced distally to near heads.

Involucres

mostly 4–6 × 9–14 mm.

4–7 × 6–11 mm.

Ray florets

20–62;

corollas white or pink, often drying blue, 4–7 mm, laminae weakly coiling.

20–40(–55);

corollas blue, less commonly white to pink, 6–11 mm, laminae reflexing.

Disc corollas

3.5–5.5 mm (throats slightly indurate, not inflated).

2.9–4.5 mm (throats tubular).

Phyllaries

in 3–5 series (all but outermost with stramineous margins and distal, greenish-herbaceous, narrowly rhomboid areas), strigoso- to hispido-hirsute or essentially glabrous, densely minutely glandular.

in 2–3(–4) series (greenish), moderately hirsute, densely minutely glandular.

Heads

1 or 2–5(–10) in loosely corymbiform arrays.

1(–2).

Cypselae

2–3 mm, 2-nerved, faces sparsely strigose;

pappi: outer of setae, inner of (15–)20–35(–50) bristles.

1.8–2.5 mm, 2-nerved, faces sparsely strigose;

pappi: outer of inconspicuous, fine setae, inner of (13–)20–27 bristles.

Erigeron breweri

Erigeron clokeyi

Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; NV; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 5 (5 in the flora).

Erigeron breweri is treated as a member of E. sect. Linearifolii in G. L. Nesom (1992b), where all of the varieties are mapped in detail.

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

Varieties 2 (2 in the flora).

Erigeron clockeyi is found in the Great Basin and Sierra Nevada.

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

Key
1. Phyllaries glabrous or sparsely hairy, densely glandular
→ 2
1. Phyllaries strigoso- to hispido-hirsute, sometimes slightly glandular
→ 3
2. Plants usually 12–40 or 30–60 cm; stems ascending-erect; leaves usually 15–35 mm
var. breweri
2. Plants 7–15 cm; stems prostrate to procumbent or decumbent; leaves 5–12 mm
var. jacinteus
3. Plants 20–30 cm; stems often wiry and brittle; phyllaries hispido-hirsute (hairs translucent, spreading, stiff, relatively thick-based), glandular
var. porphyreticus
3. Plants (30–)40–75 cm; stems not wiry or brittle; phyllaries strigoso- or hispido-hirsute (hairs ascending to ascending-appressed, white), eglandular
→ 4
4. Phyllaries strigoso-hirsute (hairs relatively thin-based, ascending-appressed, gradually and slightly reduced in density from outer to inner phyllaries), eglandular
var. bisanctus
4. Phyllaries hispido-hirsute (hairs relatively thick-based, ascending, dense on outermost phyllaries, much less so on mid and inner), eglandular
var. covillei
1. Leaves hirsuto-strigose (hairs basally ascending, otherwise straight, antrorsely appressed); cypselae 2.2–2.5 mm; Charleston Mountains, Clark County, Nevada
var. clokeyi
1. Leaves uniformly hispidulous to hirsutulous (hairs spreading to spreading-arching, stiff); cypselae 1.8–2 mm; California, c Nevada, wc Utah
var. pinzliae
Source FNA vol. 20, p. 316. FNA vol. 20, p. 291.
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. 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. 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. 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
Subordinate taxa
E. breweri var. bisanctus, E. breweri var. breweri, E. breweri var. covillei, E. breweri var. jacinteus, E. breweri var. porphyreticus
E. clokeyi var. clokeyi, E. clokeyi var. pinzliae
Name authority A. Gray: Proc. Amer. Acad. Arts 6: 541. (1866) Cronquist: Brittonia 6: 214. (1947)
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