Eriogonum ovalifolium Nutt.

Cushion buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, forming pulvinate to cespitose maps, usually scapose, 0.2-3 × 0.5-5 dm, floccose to tomentose or lanate. Stems decumbent to spreading, with persistent leaf bases, up to 5 height of plant; caudex stems matted to spreading; aerial flowering stems scapelike, spreading to erect, infrequently decumbent to ascending, slender, solid, not fistulose, 0.03-4 dm, floccose to tomentose or lanate or nearly glabrous.  Leaves basal, 1 per node; petiole not twisted or curled, 0.1-10 cm, mostly tomentose; blade oblanceolate to elliptic or spatulate to rounded, 0.2-6 × (0.1-)0.2-1.5 cm, lanate to tomentose or floccose, sometimes less so adaxially, margins plane, occasionally brownish. Inflorescences capitate or rarely umbellate, 0.7-5(-7) × 1.5-5 cm; bracts 3, scalelike, linear to triangular, 0.8-4 mm. Peduncles absent. Involucres 1 per node or (2-)3-15 per cluster, turbinate to turbinate-campanulate, (2-)3.5-5(-8) × 2-4 mm, tomentose to floccose; teeth 5, erect, 0.1-1 mm. Flowers (2.5-)3-6(-7) mm; perianth yellow or white to cream, rose, red, or purple, glabrous; tepals connate proximally, dimorphic, those of outer whorl usually oval to orbiculate, 2-4 × 2-4 mm, those of inner whorl oblanceolate to elliptic, 3-7 × 0.8-1.5 mm; stamens mostly included, 1-3 mm; filaments pilose proximally. Achenes light brown to brown, 2-3 mm, glabrous.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.14 - 0.35
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-3
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-8

Usage

Uses medicinal
Edible -
Therapeutic use Cold Remedy (root), Eye Medicine (unspecified), Gastrointestinal Aid (unspecified), Venereal Aid (unspecified), Unspecified (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Eriogonum ovalifolium leaf picture by Samuel McHenry (cc-by-sa)

Flower

Eriogonum ovalifolium flower picture by winthur sempliner (cc-by-sa)

Distribution

Eriogonum ovalifolium world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30050008-2
WFO ID wfo-0000675236
COL ID 3B4TG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum polyceps Eriogonum purpureum Eucycla purpurea Eriogonum tenellum Eucycla ovalifolia Eriogonum ovalifolium var. cerastoides Eriogonum ovalifolium var. cyclophyllum Eriogonum ovalifolium var. deltoideum Eriogonum ovalifolium var. multiscapum Eriogonum ovalifolium var. nevadense Eriogonum ovalifolium subsp. purpureum Eriogonum ovalifolium var. utahense Eriogonum ovalifolium Eriogonum nuttallii Eriogonum ovalifolium subsp. ovalifolium Eriogonum ovalifolium var. ovalifolium

Lower taxons

Eriogonum ovalifolium var. eximium Eriogonum ovalifolium var. nivale Eriogonum ovalifolium var. ochroleucum Eriogonum ovalifolium var. purpureum Eriogonum ovalifolium var. vineum