Eriogonum umbellatum var. dichrocephalum Gand.

Sulphur-flower buckwheat (en)

Variety

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum > Eriogonum umbellatum

Characteristics

Herbs, spreading (rarely compact) mats, 1-3(-3.5) × 5-10 dm. Aerial flowering stems erect (rarely spreading), (0.5-)1-2.5 dm, thinly tomentose to floccose or rarely glabrous, without one or more leaflike bracts ca. midlength. Leaves in mostly loose rosettes; blade elliptic to broadly elliptic, 1-2(-2.5) × 0.5-1.5(-2) cm, tomentose to floccose abaxially, thinly tomentose or glabrous and green adaxially, margins plane. Inflorescences umbellate; branches 0.5-4 cm, thinly tomentose, without a whorl of bracts ca. midlength; involucral tubes 2-3 mm, lobes 1-2.5 mm. Flowers 4-8 mm; perianth pale yellow to cream or whitish, rarely greenish white.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality polygamodioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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) 4-10

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. dichrocephalum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:95535-2
WFO ID wfo-0000675588
COL ID 5NSZF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum aridum Eriogonum umbellatum subsp. aridum Eriogonum umbellatum var. aridum Eriogonum umbellatum var. dichrocephalum