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Navajo fleabane, tidy fleabane

Habit Perennials, 4–25(–50) cm; taprooted, caudices simple or branched, branches sometimes rhizomelike.
Stems

ascending to erect, sparsely to densely hispido-pilose to glabrate, minutely glandular.

Leaves

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

blades narrowly oblanceolate to linear-oblong, 10–50(–80) × 1–4 mm, margins entire, usually ciliate, faces usually hirsute to hirsuto-villous, sometimes substrigose to glabrate, eglandular;

cauline unreduced or gradually reduced distally.

Involucres

4–7 × 7–12(–15) mm.

Ray florets

50–100(–125);

corollas white to pink or blue, 6–15 mm, laminae reflexing.

Disc corollas

3–5 mm (throats indurate and inflated, hirsuto-strigose, hairs biseriate, sharply pointed).

Phyllaries

in 2–4 series (midvein region orange or yellowish), hirsute to hirsuto-villous, ± minutely glandular.

Heads

1–5.

Cypselae

1.2–1.8 mm, 2-nerved, faces sparsely strigoso-hirsute;

pappi: outer of scales (0.2–0.5 mm), inner of (7–)10–14(–15) bristles.

Erigeron concinnus

Distribution
from FNA
AZ; CA; CO; ID; NM; NV; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 3 (3 in the flora).

Erigeron concinnus has been treated within E. pumilus; G. L. Nesom (1983b) found that these species approach each other closely in geographic range without intergradation.

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

Key
1. Heads 1; stems ± scapiform
var. condensatus
1. Heads (1–)2–3(–5, rarely –50); stems leafy (at least proximal 1/2)
→ 2
2. Stems densely piloso-hispid
var. concinnus
2. Stems glabrous or sparsely hirsute or piloso-hirsute (hairs sometimes ascending-appressed near heads)
var. subglaber
Source FNA vol. 20, p. 289.
Parent taxa 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. 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. concinnus var. concinnus, E. concinnus var. condensatus, E. concinnus var. subglaber
Synonyms Distasis concinna, E. pumilus var. concinnus
Name authority (Hooker & Arnott) Torrey & A. Gray: Fl. N. Amer. 2: 174. (1841)
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