Eriogonum robustum Greene

Granite buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, erect, matted, 0.5-3 × 1-2 dm, tomentose to floccose. Stems: caudex absent; aerial flowering stems erect or nearly so, stout, solid, not fistulose, usually arising directly from a taproot, 0.5-1.2(-1.6) dm, tomentose to floccose. Leaves basal, in well-defined rosettes; petiole 1-4(-5.5) cm, tomentose to floccose; blade ovate to obovate, 2.5-4(-5) × 1.6-2.5(-3.5) cm, densely white-to grayish-or reddish-tomentose abaxially, less so to floccose or glabrous and greenish adaxially, margins entire, plane. Inflorescences 2-umbellate, 5-10 × 5-10 cm; branches tomentose to floccose; bracts 3-5 at proximal node, leaflike, 1.5-2.5(-3.5) × 0.3-0,8(-1) cm, sometimes absent immediately below involucre. Involucres 1 per node, campanulate, 8-11(-13) × 8-12 mm, thinly tomentose to lanate; teeth 6-10, usually lobelike, mostly reflexed, 2-6 mm. Flowers 7-9 mm, including 0.1-0.4 mm stipelike base; perianth creamy yellow to pale yellowish, glabrous; tepals monomorphic, oblong-obovate; stamens exserted, 7-9 mm; filaments pilose proximally. Achenes light brown to brown, 6-8 mm, glabrous.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system tap-root
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 robustum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:694388-1
WFO ID wfo-0000675372
COL ID 3B4V9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum robustum Eriogonum lobbii var. robustum