Eriogonum havardii S.Watson

Havard's buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, erect, not scapose, (2-)3-6 × 1.5-4 dm, glabrous, grayish. Stems spreading, without persistent leaf bases, up to 5 height of plant; caudex stems absent; aerial flowering stems erect, slender, solid, not fistulose, 0.5-2.5 dm, glabrous, tomentose among leaves. Leaves basal, 1 per node; petiole 0.5-1.5(-2.5) cm, tomentose; blade oblanceolate to elliptic, 1-3(-5) × 0.2-1(-1.3) cm, densely white-or silvery-tomentose on both surfaces, margins plane. Inflorescences cymose, open, divided 3-10 times, 10-40 × 10-30 cm; branches dichotomous, glabrous; bracts 3, scalelike, triangular, 1-2 mm. Peduncles erect, slender, 0.5-6 cm. Involucres 1 per node, campanulate, 1.5-2.5 × (1.5-)2-3 mm, tomentose; teeth 5, erect, 0.5-0.8 mm. Flowers 2.5-3 mm; perianth yellow, densely white-pubescent; tepals connate proximal 3, monomorphic, lanceolate; stamens exserted, 2.5-3.5 mm; filaments glabrous. Achenes brown, 2-2.5 mm, glabrous. 2n = 40.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.6
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 havardii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:694200-1
WFO ID wfo-0000674892
COL ID 3B4Q2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum havardii