Eriogonum chrysops Rydb.

Bitterroot buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, matted, scapose, 0.2-1 × 0.5-2 dm, floccose to tomentose, greenish. Stems matted, with persistent leaf bases, up to 1/ 5 height of plant; caudex stems matted; aerial flowering stems scapelike, erect , slender, solid, not fistulose, 0.2-1 dm, floccose to tomentose.  Leaves basal, fasciculate in terminal tufts; petiole 0.2-0.5(-0.8) cm, tomentose; blade oblanceolate to spatulate, (0.5-)0.7-1 × 0.2-0.4(-0.5) cm, densely white-or grayish-tomentose on both surfaces, margins plane. Inflorescences capitate, 0.5-1.5 cm wide; branches absent; bracts 3-5, scalelike, triangular, 1-2 mm. Peduncles absent. Involucres 3-5 per cluster, turbinate-campanulate to campanulate, 2.5-3(-3.5) × 2.5-3 mm, membranous, glabrous, sparsely floccose on teeth; teeth 5, erect, 0.6-1.2 mm. Flowers (2-)2.5-3 mm; perianth yellow, sparsely glandular, infrequently glabrous; tepals connate proximal 3, monomorphic, oblong to narrowly obovate; stamens exserted, 2-2.5(-3) mm; filaments pilose proximally. Achenes light brown, 2.5-3 mm, glabrous except for minutely bristly beak.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 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) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:94797-2
WFO ID wfo-0000674595
COL ID 3B4L2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum chrysops Eriogonum ochrocephalum subsp. chrysops Eriogonum ovalifolium var. chrysops