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goldencarpet buckwheat, goldencarpet wild buckwheat, wicker buckwheat

Gilman's buckwheat, Gilman's wild buckwheat

Habit Herbs, erect or prostrate to spreading, 0.5–6 dm, glabrous or occasionally tomentose, greenish to reddish. Herbs, cespitose or pulvinate, occasionally scapose, 0.1–0.5 × 1–3 dm, tomentose.
Stems

aerial flowering stems prostrate to erect, 0.2–2 dm, glabrous or occasionally tomen-tose.

spreading, with persistent leaf bases, up to 1/5 height of plant;

caudex stems matted;

aerial flowering stems scapelike, spreading to erect, slender, solid, not fistulose, 0.1–0.2 dm, tomentose.

Leaves

basal or basal and cauline;

basal: petiole 1–8 cm, floccose, blade oblong-ovate, reniform, or rounded to cordate, 0.5–5 × 0.5–3.5 cm, densely white-tomentose abaxially, floccose or glabrous and reddish or greenish adaxially;

cauline: petiole 0.5–3 cm, floccose, blade cordate to reniform or orbiculate, 0.5–3 × 0.5–3 cm, similar to basal blade.

basal, 1 per node;

petiole 0.2–0.5 cm, tomentose;

blade elliptic, 0.2–0.4 × 0.1–0.2 cm, tomentose, margins plane.

Inflorescences

cymose, occasionally distally uniparous due to suppression of secondary branches, open, 2–50 × 3–40 cm;

branches glabrous or occasionally tomentose;

bracts 1–3(–4) × 1–2 mm.

cymose-umbellate or capitate, (0.4–)0.8–1.5 × 0.5–1.5 cm;

branches umbellate, tomentose;

bracts 3, scalelike, triangular to linear-lanceolate, 1–5 mm.

Peduncles

absent or erect, straight, slender, 0.1–0.5 cm, glabrous.

spreading, 0.1–0.3(–0.5) cm, tomentose.

Involucres

terminal at tips of slender branchlets proximally or appressed to branches, cylindric or occasionally turbinate, 2–4 × 1.5–2.5 mm, glabrous or rarely floccose;

teeth 5, erect, 0.3–0.5 mm.

1 per node, turbinate, 1.5–2 × 1–1.5 mm, tomentose;

teeth 5, erect, 0.4–0.7 mm.

Flowers

1–2.5 mm;

perianth white to rose or yellow, glabrous;

tepals monomorphic, obovate;

stamens included, 1–1.5 mm;

filaments glabrous.

3.5–5 mm;

perianth yellowish, with reddish spot, glabrous;

tepals connate proximally, dimorphic, those of outer whorl orbiculate and globose, 3–4 × 3–4 mm, those of inner whorl oblanceolate, 3.5–5 × 1–1.5 mm;

stamens exserted, 3–4 mm;

filaments pubescent proximally.

Achenes

light brown, 3-gonous, 1–2 mm.

brown, 2.5–3 mm, glabrous.

Eriogonum luteolum

Eriogonum gilmanii

Phenology Flowering May–Sep.
Habitat Limestone gravelly to rocky slopes and ridges, sagebrush communities, pinyon-juniper woodlands
Elevation 1500-2000 m (4900-6600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Varieties 4 (4 in the flora).

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

Eriogonum gilmanii is a rare, localized species. It is known from the Cottonwood, Last Chance, and Panamint mountains of Inyo County.

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

Key
1. Plants prostrate to spreading, 0.5-3 dm; involucres 3-4 mm, often terminal on elongated branchlets; leaves basal and cauline; serpentine soil; w Alameda and s Marin counties, California
var. caninum
1. Plants erect, 2-6 dm; involucres 2-3.5 mm, appressed to inflorescence branches; leaves basal, sometimes also cauline; serpentine or granitic soils; San Mateo, Santa Clara, and Mariposa counties, California, n to sw and sc Oregon
→ 2
2. Involucres 2-3 mm; flowers 2-2.5 mm; granitic soils; Sierra Nevada, Alpine and Tuolumne counties, California
var. saltuarium
2. Involucres 3-3.5 mm; flowers 1-2 mm; serpentine soils; Coast Ranges and lower foothills of Sierra Nevada, San Mateo, Santa Clara, and Mariposa counties, California, n to sw and sc Oregon
→ 3
3. Flowers 1.8-2 mm; Coast Ranges, w California from San Mateo and Santa Clara counties n to sw and sc Oregon
var. luteolum
3. Flowers 1-1.5(-1.8) mm; e California from Mariposa County to Plumas County
var. pedunculatum
Source FNA vol. 5, p. 420. FNA vol. 5, p. 324.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Oregonium Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Eucycla
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. 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. 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. 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. esmeraldense, E. evanidum, E. exaltatum, E. exilifolium, E. fasciculatum, E. flavum, E. fusiforme, E. giganteum, 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. luteolum var. caninum, E. luteolum var. luteolum, E. luteolum var. pedunculatum, E. luteolum var. saltuarium
Synonyms E. vimineum var. luteolum
Name authority Greene: Pittonia 3: 200. (1897) S. Stokes: Leafl. W. Bot. 3: 16. (1941)
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