Eriogonum umbellatum var. covillei (Small) Munz & Reveal

Sulphur-flower buckwheat (en)

Variety

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum > Eriogonum umbellatum

Characteristics

Herbs, typically prostrate mats, 0.5-1 × 1-5 dm. Aerial flowering stems spreading to erect, 0.3-0.9 dm, thinly tomentose to nearly glabrous, without one or more leaflike bracts ca. midlength. Leaves in tight rosettes; blade usually narrowly elliptic, 0.3-0.6(-1) × 0.2-0.4(-0.6) cm, white-tomentose abaxially, slightly less so and greenish adaxially, margins plane. Inflorescences compact-umbellate; branches 0.2-1 cm, thinly tomentose to floccose, without a whorl of bracts ca. midlength; involucral tubes 1.5-2.5 mm, lobes 1-3 mm. Flowers 2-4(-5) mm; perianth bright yellow.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality polygamodioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
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. covillei world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:95531-2
WFO ID wfo-0000675585
COL ID 5NSZB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum covillei Eriogonum rubidum Eriogonum rubidum var. frigidum Eriogonum umbellatum subsp. covillei Eriogonum umbellatum var. covillei Eriogonum ursinum var. covillei