Eriogonum tenellum Torr.

Tall buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, erect to spreading, perennial, 1-6 dm, glabrous, often glaucous, grayish. Stems: caudex compact to spreading; aerial flowering stems erect, solid, not fistulose, 0.4-4 dm, glabrous, often glaucous. Leaves basal or sheathing up stem 3-8 cm; petiole 0.4-4 cm, tomentose; blade elliptic to deltoid or ovate to suborbiculate or orbiculate, 0.3-3 × 0.2-3 cm, densely white-tomentose and grayish on both surfaces, margins plane. Inflorescences cymose, open, erect to spreading, 5-40 × 5-40 cm; branches glabrous; bracts 3, scalelike, 1-3 × 0.5-2 mm. Peduncles erect or spreading, straight, slender, 0.6-6 cm, glabrous. Involucres turbinate to turbinate-campanulate, 2-4 × 1.5-3(-4) mm, glabrous but tomentose adaxially; teeth 5, erect or nearly so, 0.5-1 mm. Flowers 1.5-3.5 mm; perianth white to pink with greenish to reddish midribs, becoming pinkish or orange-brown to red, glabrous; tepals dimorphic, those of outer whorl ovate to obovate or cordate to suborbiculate, those of inner whorl narrowly oblong to oblong; stamens included, 1-1.5 mm; filaments sparsely pilose proximally. Achenes light brown to brown, 3-gonous, 2-3 mm, glabrous.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.5
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) 5-11

Usage

Uses medicinal
Edible -
Therapeutic use Gynecological Aid (root), Febrifuge (unspecified), Gynecological Aid (unspecified)
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 tenellum world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:694447-1
WFO ID wfo-0000675495
COL ID 3B4WW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum tenellum Eriogonum tenellum var. caulescens Eriogonum tenellum var. erianthum Eriogonum tenellum var. grandiflorum Eriogonum tenellum var. leptocladon Eriogonum tenellum var. sessiliflorum Eriogonum tenellum subsp. typicum Eriogonum tenellum var. tenellum

Lower taxons

Eriogonum tenellum var. platyphyllum Eriogonum tenellum var. ramosissimum