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Esmeralda buckwheat, Esmeralda wild buckwheat

Bailey buckwheat, Bailey's buckwheat, Bailey's wild buckwheat

Habit Herbs, erect to spreading, annual, (0.5–)1–5(–10) dm, glabrous or glandular proximally, mostly grayish. Herbs, erect to spreading, 1–4(–5) dm, glabrous or tomentose, grayish.
Stems

caudex absent;

aerial flowering stems erect, solid, not fistulose, 0.5–1(–3) dm, glabrous or sparsely glandular proximally.

aerial flowering stems erect, 0.5–1 dm, glabrous or tomentose.

Leaves

basal;

petiole 0.5–4 cm, strigose to hispid;

blade obovate to round-ovate, 0.5–2.5 × 0.4–2 cm, sparsely strigose to pilose-hispid, often slightly glandular, grayish, greenish, or reddish on both surfaces, or reddish adaxially, margins plane.

basal;

petiole 0.5–3 cm, tomentose;

blade suborbiculate, 0.5–2 × 0.5–2 cm, densely white-tomentose abaxially, mostly tomentose and grayish to greenish adaxially.

Inflorescences

cymose, open to diffuse, 5–40(–70) × 5–50 cm;

branches not fistulose, glabrous or sparsely glandular near proximal nodes;

bracts 3, scalelike, 0.5–3 × 0.5–2 mm.

cymose, infrequently distally uniparous due to suppression of secondary branches, open to diffuse, 5–35(–45) × 5–35(–4) cm;

branches glabrous or tomentose;

bracts 0.5–3 × 1–3 mm.

Peduncles

spreading to reflexed, straight, slender to filiform, 0.2–1.5 cm, glabrous.

absent.

Involucres

narrowly turbinate, 0.8–1.8 × 0.5–1.2 mm, glabrous;

teeth 4–5, erect, 0.2–0.4 mm.

somewhat appressed to branches, turbinate, 1–1.5 × 0.5–1 mm, glabrous or tomentose;

teeth 5, erect, 0.2–0.3 mm.

Flowers

1–3 mm;

perianth white to pinkish with greenish or reddish midribs, glabrous, minutely pustulose proximally;

tepals monomorphic, oblanceolate to oblong;

stamens included, 1–1.5(–1.8) mm;

filaments glabrous.

1.5–2 mm;

perianth white to rose, minutely glandular, rarely glabrous;

tepals monomorphic, oblong to oblong-obovate, somewhat constricted near middle and flaring adaxially;

stamens included, 1–1.5 mm;

filaments pilose proximally.

Achenes

light brown, 3-gonous, 1.4–2.5 mm, glabrous.

brown, 3-gonous, 1–1.5 mm.

Eriogonum esmeraldense

Eriogonum baileyi

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

Varieties 2 (2 in the flora).

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

Varieties 2 (2 in the flora).

Eriogonum baileyi is closely related to and sometimes difficult to distinguish from E. elegans of the Inner Coast Ranges of California, and E. brachyanthum along the eastern edge of the Sierra Nevada, especially in Inyo and Mono counties. However, these species do not seem to intergrade. Eriogonum baileyi often grows with other annual wild buckwheats (especially E. ampullaceum and E. brachyanthum), so care must be taken not to make mixed collections.

The Kawaiisu people of southern California pounded the seeds into a meal, which they ate dry, and also mixed with water to serve as a beverage (M. L. Zigmond 1981).

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

Key
1. Flowering stems and inflorescence branches glabrous
var. esmeraldense
1. Flowering stems and inflorescence branches glandular to sparsely glandular proximally
var. toiyabense
1. Flowering stems and inflorescence branches glabrous; e and s California, sc Idaho, Nevada, e Oregon, sw Utah, e Washington
var. baileyi
1. Flowering stems and inflorescence branches tomentose; ne California, w and nc Nevada, c Idaho
var. praebens
Source FNA vol. 5, p. 392. FNA vol. 5, p. 425.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Ganysma Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Oregonium
Sibling taxa
E. abertianum, E. acaule, E. alatum, E. aliquantum, E. allenii, E. alpinum, E. ammophilum, E. ampullaceum, E. androsaceum, E. anemophilum, E. angulosum, E. annuum, E. apiculatum, E. apricum, E. arborescens, E. arcuatum, E. aretioides, E. argillosum, E. argophyllum, E. arizonicum, E. artificis, E. atrorubens, E. baileyi, E. batemanii, E. bicolor, E. bifurcatum, E. brachyanthum, E. brachypodum, E. brandegeei, E. breedlovei, E. brevicaule, E. butterworthianum, E. caespitosum, E. capillare, E. cernuum, E. chrysops, E. cinereum, E. cithariforme, E. clavatum, E. clavellatum, E. codium, E. collinum, E. coloradense, E. compositum, E. concinnum, E. congdonii, E. contiguum, E. contortum, E. correllii, E. corymbosum, E. covilleanum, E. crocatum, E. cronquistii, E. crosbyae, E. cusickii, E. darrovii, E. dasyanthemum, E. davidsonii, E. deflexum, E. deserticola, E. desertorum, E. diatomaceum, E. diclinum, E. divaricatum, E. douglasii, E. eastwoodianum, E. effusum, E. elatum, E. elegans, E. elongatum, E. ephedroides, E. eremicola, E. eremicum, E. ericifolium, E. evanidum, E. exaltatum, E. exilifolium, E. fasciculatum, E. flavum, E. fusiforme, E. giganteum, E. gilmanii, E. glandulosum, E. gordonii, E. gossypinum, E. gracile, E. gracilipes, E. gracillimum, E. grande, E. greggii, E. gypsophilum, E. havardii, E. heermannii, E. helichrysoides, E. hemipterum, E. heracleoides, E. hieracifolium, E. hirtellum, E. hirtiflorum, E. hoffmannii, E. holmgrenii, E. hookeri, E. howellianum, E. hylophilum, E. incanum, E. inerme, E. inflatum, E. intrafractum, E. jamesii, E. jonesii, E. kelloggii, E. kennedyi, E. kingii, E. lachnogynum, E. lancifolium, E. latens, E. latifolium, E. lemmonii, E. leptocladon, E. leptophyllum, E. libertini, E. lobbii, E. loganum, E. lonchophyllum, E. longifolium, E. luteolum, E. maculatum, E. mancum, E. marifolium, E. mensicola, E. microthecum, E. mitophyllum, E. mohavense, E. molestum, E. mortonianum, E. multiflorum, E. natum, E. nealleyi, E. nervulosum, E. nidularium, E. niveum, E. nortonii, E. novonudum, E. nudum, E. nummulare, E. nutans, E. ochrocephalum, E. ordii, E. ostlundii, E. ovalifolium, E. palmerianum, E. panamintense, E. panguicense, E. parishii, E. parvifolium, E. pauciflorum, E. pelinophilum, E. pendulum, E. pharnaceoides, E. plumatella, E. polycladon, E. polypodum, E. prattenianum, E. prociduum, E. pulchrum, E. pusillum, E. pyrolifolium, E. racemosum, E. reniforme, E. ripleyi, E. rixfordii, E. robustum, E. rosense, E. roseum, E. rotundifolium, E. rubricaule, E. rupinum, E. salicornioides, E. saxatile, E. scabrellum, E. scopulorum, E. shockleyi, E. siskiyouense, E. smithii, E. soliceps, E. soredium, E. spathulatum, E. spectabile, E. spergulinum, E. sphaerocephalum, E. strictum, E. subreniforme, E. suffruticosum, E. temblorense, E. tenellum, E. ternatum, E. terrenatum, E. thomasii, E. thompsoniae, E. thornei, E. thurberi, E. thymoides, E. tiehmii, E. tomentosum, E. trichopes, E. tripodum, E. truncatum, E. tumulosum, E. twisselmannii, E. umbellatum, E. ursinum, E. vestitum, E. villiflorum, E. vimineum, E. viridescens, E. viridulum, E. viscidulum, E. visheri, E. watsonii, E. wetherillii, E. wootonii, E. wrightii, E. zionis
E. abertianum, E. acaule, E. alatum, E. aliquantum, E. allenii, E. alpinum, E. ammophilum, E. ampullaceum, E. androsaceum, E. anemophilum, E. angulosum, E. annuum, E. apiculatum, E. apricum, E. arborescens, E. arcuatum, E. aretioides, E. argillosum, E. argophyllum, E. arizonicum, E. artificis, E. atrorubens, E. batemanii, E. bicolor, E. bifurcatum, E. brachyanthum, E. brachypodum, E. brandegeei, E. breedlovei, E. brevicaule, E. butterworthianum, E. caespitosum, E. capillare, E. cernuum, E. chrysops, E. cinereum, E. cithariforme, E. clavatum, E. clavellatum, E. codium, E. collinum, E. coloradense, E. compositum, E. concinnum, E. congdonii, E. contiguum, E. contortum, E. correllii, E. corymbosum, E. covilleanum, E. crocatum, E. cronquistii, E. crosbyae, E. cusickii, E. darrovii, E. dasyanthemum, E. davidsonii, E. deflexum, E. deserticola, E. desertorum, E. diatomaceum, E. diclinum, E. divaricatum, E. douglasii, E. eastwoodianum, E. effusum, E. elatum, E. elegans, E. elongatum, E. ephedroides, E. eremicola, E. eremicum, E. ericifolium, E. esmeraldense, E. evanidum, E. exaltatum, E. exilifolium, E. fasciculatum, E. flavum, E. fusiforme, E. giganteum, E. gilmanii, E. glandulosum, E. gordonii, E. gossypinum, E. gracile, E. gracilipes, E. gracillimum, E. grande, E. greggii, E. gypsophilum, E. havardii, E. heermannii, E. helichrysoides, E. hemipterum, E. heracleoides, E. hieracifolium, E. hirtellum, E. hirtiflorum, E. hoffmannii, E. holmgrenii, E. hookeri, E. howellianum, E. hylophilum, E. incanum, E. inerme, E. inflatum, E. intrafractum, E. jamesii, E. jonesii, E. kelloggii, E. kennedyi, E. kingii, E. lachnogynum, E. lancifolium, E. latens, E. latifolium, E. lemmonii, E. leptocladon, E. leptophyllum, E. libertini, E. lobbii, E. loganum, E. lonchophyllum, E. longifolium, E. luteolum, E. maculatum, E. mancum, E. marifolium, E. mensicola, E. microthecum, E. mitophyllum, E. mohavense, E. molestum, E. mortonianum, E. multiflorum, E. natum, E. nealleyi, E. nervulosum, E. nidularium, E. niveum, E. nortonii, E. novonudum, E. nudum, E. nummulare, E. nutans, E. ochrocephalum, E. ordii, E. ostlundii, E. ovalifolium, E. palmerianum, E. panamintense, E. panguicense, E. parishii, E. parvifolium, E. pauciflorum, E. pelinophilum, E. pendulum, E. pharnaceoides, E. plumatella, E. polycladon, E. polypodum, E. prattenianum, E. prociduum, E. pulchrum, E. pusillum, E. pyrolifolium, E. racemosum, E. reniforme, E. ripleyi, E. rixfordii, E. robustum, E. rosense, E. roseum, E. rotundifolium, E. rubricaule, E. rupinum, E. salicornioides, E. saxatile, E. scabrellum, E. scopulorum, E. shockleyi, E. siskiyouense, E. smithii, E. soliceps, E. soredium, E. spathulatum, E. spectabile, E. spergulinum, E. sphaerocephalum, E. strictum, E. subreniforme, E. suffruticosum, E. temblorense, E. tenellum, E. ternatum, E. terrenatum, E. thomasii, E. thompsoniae, E. thornei, E. thurberi, E. thymoides, E. tiehmii, E. tomentosum, E. trichopes, E. tripodum, E. truncatum, E. tumulosum, E. twisselmannii, E. umbellatum, E. ursinum, E. vestitum, E. villiflorum, E. vimineum, E. viridescens, E. viridulum, E. viscidulum, E. visheri, E. watsonii, E. wetherillii, E. wootonii, E. wrightii, E. zionis
Subordinate taxa
E. esmeraldense var. esmeraldense, E. esmeraldense var. toiyabense
E. baileyi var. baileyi, E. baileyi var. praebens
Synonyms E. vimineum subsp. baileyi
Name authority S. Watson: Proc. Amer. Acad. Arts 24: 85. (1889) S. Watson: Proc. Amer. Acad. Arts 10: 348. (1875)
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