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Zion fleabane
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| Perennials, 1.5–25 cm (becoming colonial); taprooted or fibrous-rooted, stoloniform branches persistent (1–3.5 cm), lignescent, bearing leaf tufts at tips, usually not retaining old leaf bases. |
erect to ascending or decumbent, glabrous proximally, strigose on distal 1/2, minutely glandular near heads. |
basal (persistent) and cauline; basal blades oblanceolate to oblanceolate-spatulate, 50–760 × 1–11 mm, margins usually pinnately 3–5-lobed (sinuses reaching nearly to midveins), sometimes entire to dentate and mixed with lobed, faces glabrous or sparsely strigose, eglandular; cauline blades linear, gradually reduced distally, margins entire. |
2–4.5 × 3.5–7 mm. |
22–38(–46); corollas white, drying pink to lavender or blue, often with abaxial lilac midstripe, 4–7 mm, laminae not coiling or reflexing. |
1.6–2.8 mm (throats slightly indurate and inflated). |
in 3–5 series, moderately hirsute to hirtellous, minutely glandular. |
1–4. |
1–1.5 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 7–15(–19) (persistent) bristles. |
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UT |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
1. Basal leaves usually with linear-oblanceolate lobes, less commonly entire to dentate, blades and/or lobes 1–3(–4) mm wide; ray corollas drying white to pink or light lavender; sandstone | var. sionis |
1. Basal leaves entire or dentate, rarely deeply lobed, blades (2–)3–5(–11) mm wide; ray corollas drying pink to dark blue; limestone | var. trilobatus |
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| FNA vol. 20, p. 343. |
| 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. 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. 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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| Cronquist: Brittonia 6: 258. (1947) |
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