|
ashyleaf wild buckwheat, coastal buckwheat, coastal wild buckwheat
|
flat-top buckwheat, Smith's wild buckwheat
|
| Shrubs, round, 6–15 × 10–20(–25) dm, tomentulose, grayish. |
Shrubs, erect to spreading, not scapose, (3–)4–10 × 5–20 dm, glabrous, bright green. |
spreading, occasionally with persistent leaf bases, up to 3/4 or more height of plant; caudex stems absent; aerial flowering stems erect to spreading, slender, solid, not fistulose, 1–4 dm, tomentulose. |
spreading, without persistent leaf bases, up to 1/3 height of plant; caudex stems absent; aerial flowering stems erect to spreading, slender, solid, not fistulose, 0.2–2 dm, glabrous. |
cauline, 1 per node; petiole 0.1–0.5(–1) cm, tomentulose; blade ovate, 1.5–3 × 1–2.5(–3) cm, white-tomentulose abaxially, less so and greenish adaxially, margins plane. |
cauline on proximal 2/3 of stem, 1 per node; petiole 0.3–0.5 cm, floccose or glabrous; blade narrowly elliptic, 2.5–4.5 × (0.3–)0.6–1 cm, glabrous and green on both surfaces, rarely thinly floccose adaxially, margins occasionally slightly revolute. |
capitate, congested, 1–2.5 × 1–2.5 cm; branches dichotomous, tomentulose; bracts usually 3, scalelike, triangular, and 1–3 mm, or leaflike, ovate, and 7–20 × 5–18 mm. |
cymose, open to compact, 2–25 × 3–35 cm; branches often with involucres racemosely arranged at tips of inflorescence, glabrous; bracts 3, scalelike, linear to triangular, 1.5–4.5 mm. |
absent. |
absent. |
3–10 per cluster, narrowly turbinate, 3–5 × 2–3 mm, tomentulose; teeth 5, erect, 0.2–0.5 mm. |
1 per node, turbinate, (2.5–)3–3.5 × 2–2.5 mm, glabrous; teeth 5, erect, 0.3–0.5 mm. |
2.5–3 mm; perianth white to pinkish, densely white-villous; tepals connate proximally, monomorphic, spatulate to narrowly obovate; stamens exserted, 2.5–3.5 mm; filaments subglabrous. |
3–4 mm; perianth yellow, glabrous; tepals connate proximal 1/4, slightly dimorphic, those of outer whorl obovate, 1.5–2 mm wide, those of inner whorl oblanceolate, 1–1.5 mm wide; stamens exserted, 2–5(–7) mm; filaments pilose proximally. |
brown, 2–2.5 mm, glabrous. |
brown, 3–3.5 mm, glabrous except for minutely papillate beak. |
= 80. |
= 40. |
|
|
|
|
| Flowering year-round. |
Flowering Jul–Oct. |
| Sandy beaches, coastal bluffs, mesas, canyon slopes, coast scrub and chaparral communities |
Deep, moving, red blow sand, mixed grassland and scrub oak communities |
| 0-400 m (0-1300 ft) |
1400-1900 m (4600-6200 ft) |
|
CA
|
UT |
Of conservation concern. Eriogonum cinereum occurs naturally along the Pacific Coast in Los Angeles, Santa Barbara, and Ventura counties, and also on Santa Rosa Island. It is infrequently planted along highways (and is now found in San Diego County) and hybridizes with E. fasciculatum var. foliolosum. The species is the food plant of the Bernardino dotted-blue butterfly (Euphilotes bernardino). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Eriogonum smithii is restricted to the San Rafael Desert of Emery and Wayne counties. Plants from Little Gilson Butte (J. L. Anderson 86-228, BRY) have leaf blades thinly floccose on the abaxial surface but are otherwise similar to the shrubs found at Flat Top to the east. Smith’s wild buckwheat occurs in selenium-rich sands, which may limit its ability to be cultivated. The bright green, brilliantly yellow-flowered plants would make an elegant addition to the garden. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 5, p. 300. |
FNA vol. 5, p. 260. |
| Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Eucycla |
Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Eucycla |
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. 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 |
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. 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. corymbosum var. smithii |
| Bentham: Bot. Voy. Sulphur, 45. (1844) |
Reveal: Great Basin Naturalist 27: 202, fig. 6. (1968) |
| |
CA
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