Eriogonum prattenianum Durand

Nevada city buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs or subshrubs, spreading and matted or rounded to erect, 1-5 × 3-5 dm, glabrous. Stems: caudex spreading to erect; aerial flowering stems erect, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, non-flowering aerial branches, (0.5-)1-3 dm, glabrous, with a whorl of 3-6, leaflike bracts ca. midlength, similar to leaf blades, 0.7-1 × 0.2-0.4 cm. Leaves in compact basal rosettes; petiole 0.1-0.5 cm, tomentose; blade elliptic to ovate, 0.5-1.5(-2) × 0.2-0.7 cm, densely white-tomentose on both surfaces or sometimes subglabrous and pale green adaxially, margins entire, plane. Inflorescences capitate, 0.8-2 cm wide; branches absent; bracts absent immediately below involucre. Involucres 1 per node, campanulate, 3-4 × 3-8 mm, tomentose; teeth 8-10, occasionally lobelike, erect to reflexed, 1-3 mm. Flowers 3-8 mm, including 1-1.5 mm stipelike base; perianth yellow, glabrous; tepals monomorphic, spatulate to obovate; stamens exserted, 3-4 mm; filaments pilose proximally. Achenes light to rusty brown, 4-5 mm, glabrous.
Life form perennial
Growth form
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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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 -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Eriogonum prattenianum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:694363-1
WFO ID wfo-0000675325
COL ID 6GRD4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum prattenianum Eriogonum umbellatum subsp. serratum Eriogonum prattenianum var. prattenianum