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black-head fleabane
|
pale fleabane, purple daisy
|
| Perennials, 3–12(–21 at lower elevations) cm; fibrous-rooted, rhizomatous, caudices decumbent, often branched, rhizomelike, sometimes taprootlike. |
Perennials, 2–6(–10) cm; taprooted, caudices diffuse with extensive systems of rhizomelike, relatively long and slender branches. |
erect, distally villous (hairs with black cross walls), minutely glandular near heads. |
erect (simple, ± scapiform), sparsely hirsuto-villous, minutely glandular. |
mostly basal (persistent), some cauline; blades spatulate to oblanceolate, (10–)20–50(–150) × 4–6(–15) mm, cauline linear, bractlike, margins entire (apices rounded to retuse), faces glabrous or sparsely hirsute, eglandular. |
mostly basal (persistent); blades oblanceolate to spatulate, 10–25 × 2–4 mm, margins entire or shallowly 3-lobed apically (apices obtuse to nearly truncate), faces sparsely villous, minutely glandular. |
6–9 × 10–14 mm. |
6–8 × 9–13 mm. |
45–74; corollas white to purple, 7–11 mm (mostly 1–2 mm wide), laminae spreading, tardily coiling. |
50–60; corollas white to pink or purplish, 4–5(–6) mm, laminae (filiform, ca. 0.5–0.8 mm wide, involute) erect, not coiling or reflexing. |
2.4–3.2 mm. |
3.5–5 mm. |
in 2(–3) series, sparsely villoso-sericeous (hairs flattened, cross walls black, imparting distinct black color to involucres), glandular. |
in 2–3 series (commonly purplish or purple at tips), sparsely villous (hairs often becoming tawny, without purple cross walls), minutely glandular. |
1. |
1. |
(oblanceoloid-oblong) 2–2.3 mm, 2-nerved, faces strigoso-hirsute; pappi: outer of setae, inner of 15–30 bristles. |
(mature length not observed), 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 25–30 (tawny-white to yellowish) bristles. |
= 18. |
= 18. |
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| Flowering Jul–Aug. |
Flowering Jul–Aug. |
| Rocky slopes, talus, alpine and subalpine meadows, subalpine spruce-fir |
Alpine talus or other steep, dry, sparsely vegetated slopes |
| 3100–4000 m (10200–13100 ft) |
2000–2200 m (6600–7200 ft) |
|
CO; NM; UT; WY
|
AB; BC |
|
Erigeron pallens is known only from southeastern British Columbia and southwestern Alberta. Arctic plants previously identified as E. pallens mostly are E. denalii. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 20, p. 323. |
FNA vol. 20, p. 303. |
| 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. 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. 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. 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. 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. uniflorus var. melanocephalus |
|
| (A. Nelson) A. Nelson: Bull. Torrey Bot. Club 26: 246. (1899) |
Cronquist: Brittonia 6: 240. (1947) |
| |
SW CO Wildflowers
WildflowerSearch
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USDA Plants Database
BC
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