Eriogonum umbellatum var. cognatum (Greene) Reveal

Sulphur-flower buckwheat (en)

Variety

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum > Eriogonum umbellatum

Characteristics

Herbs, compact mats, 1-2(-2.5) × 1-3 dm. Aerial flowering stems erect, 1-1.5 dm, glabrous, without one or more leaflike bracts ca. midlength. Leaves in loose rosettes; blade oblong-obovate to elliptic or oval, (1-)1.5-2(-2.5) × 1-1.5(-2) cm, densely white-tomentose abaxially, thinly floccose or glabrous and dark green adaxially, margins plane. Inflorescences compound-umbellate, branched 2-4 times; branches glabrous, without a whorl of bracts ca. midlength; involucral tubes 3-5 mm, lobes 1-2.5 mm. Flowers 4-7 mm; perianth bright yellow.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality polygamodioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
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) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 28
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Eriogonum umbellatum var. cognatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:95529-2
WFO ID wfo-0000675582
COL ID 7M34V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum cognatum Eriogonum umbellatum subsp. cognatum Eriogonum umbellatum var. cognatum