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Wooton's buckwheat, Wooton's wild buckwheat
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slender buckwheat, slender woolly buckwheat, slender woolly wild buckwheat
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| Herbs, erect, 4–5 × 3–5 dm, tomentose to floccose. |
Herbs, erect to spreading or somewhat decumbent, (0.7–)1.5–5(–7) dm, lanate to tomentose or floccose, rarely glabrous, greenish to whitish or grayish. |
caudex absent; aerial flowering stems erect, stout, solid, not fistulose, arising directly from a taproot, 1–2.5 dm, tomentose to floccose. |
aerial flowering stems erect, 0.5–2 dm, lanate to tomentose or floccose, rarely glabrous. |
basal, not in rosettes; petiole 2–5 cm, tomentose to floccose; blade elliptic, (2.5–)3–6.5 × 1.5–3 cm, densely whitish- to tannish-tomentose abaxially, thinly tomentose to floccose and greenish adaxially, margins entire, plane. |
basal and cauline; basal: petiole 1–4 cm, floccose, not winged, blade oblanceolate to oblong, (0.8–)1–4(–6) × 0.5–2 cm, tomentose abaxially, less so to floccose and greenish to grayish adaxially; cauline: petiole 0.3–2 cm, floccose, blade oblanceolate, 0.5–3 × 0.3–1.5 cm, similar to basal blade. |
compound-umbellate, 5–15 × 5–20 cm; branches tomentose to floccose; bracts 3–6, leaflike at proximal node, 2–4(–5) × 0.7–1.8 cm, often scalelike distally. |
cymose, occasionally distally uniparous due to suppression of secondary branches, open to somewhat diffuse, 0.5–4 × 0.5–3 cm; branches lanate to tomentose or floccose, rarely glabrous, straight or nearly so, not inwardly curved distally; bracts 0.5–3 × 1–3 mm. |
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absent. |
1 per node, campanulate, 3–6 × 3–7 mm, thinly floccose; teeth 5–7, erect, 0.3–0.6 mm. |
somewhat appressed to branches, turbinate, (1.8–)2–3 × 1.5–2 mm, floccose or glabrous; teeth 5, erect, 0.3–0.6 mm. |
4–7(–9) mm, including 1–1.5 mm stipelike base; perianth bright yellow, densely pubescent abaxially; tepals dimorphic, those of outer whorl lanceolate to elliptic, 3–6 × 1.5–2.5, those of inner whorl elliptic, 5–9 × 2–3.5 mm; stamens exserted, 3–5 mm; filaments pilose proximally. |
1.5–3 mm; perianth white to pink or yellow, glabrous; tepals monomorphic, lanceolate to oblong; stamens mostly included, 1–1.5 mm; filaments pilose proximally. |
light brown to brown, 4–8 mm, glabrous except for sparsely pubescent beak. |
brown, 3-gonous, 1–2 mm. |
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= 22. |
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| Flowering Jul–Sep. |
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| Sandy to gravelly slopes, sagebrush communities, montane conifer woodlands |
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| 2000-2800 m (6600-9200 ft) |
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NM
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CA; Mexico
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Eriogonum wootonii is known only from the San Francisco Mountains of Lincoln and Otero counties in southern New Mexico. It is related to, but significantly disjunct from, E. arcuatum, and is part of a three-species complex that includes E. correllii of northern Texas and E. allenii of Virginia and West Virginia, and that skips across the central United States, the result of fragmentation associated with the southward push of Pleistocene glaciation. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). Eriogonum gracile is a highly variable species. The low, spreading plants from the mountains of coastal central California with 2–3 mm involucres and (usually) yellowish flowers differ from the more erect plants represented by the type collection, which have 1.8–2 mm involucres and white flowers. Such plants are found mainly farther south, in the Mt. Diablo and Mt. Hamilton areas of Alameda, Contra Costa, and Stanislaus counties. Some populations of E. gracile from the Inner Coast Ranges of eastern San Luis Obispo County are slightly different from the norm and the epithet leucocladon has been adopted in some local floristic treatments to account for them. However, the type of E. leucocladon does not seem to be this phase. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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1. Inflorescence branches lanate to tomentose or floccose; throughout California | var. gracile |
1. Inflorescence branches glabrous; s California | var. incultum |
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| FNA vol. 5, p. 370. |
FNA vol. 5, p. 423. |
| Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Oligogonum |
Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Oregonium |
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. 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. 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. gilmanii, E. glandulosum, E. gordonii, E. gossypinum, 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 |
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| E. jamesii var. wootonii |
E. vimineum subsp. gracile |
| (Reveal) Reveal: Harvard Pap. Bot. 9: 206. (2003) |
Bentham: Bot. Voy. Sulphur, 46. (1844) |
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