Eriogonum microthecum Nutt.

Slender buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Subshrubs or shrubs, erect to spreading, not scapose, 0.2-1.5 × (0.6-)1-13(-16) dm, white-to tannish-tomentose, floccose, or glabrous. Stems spreading to erect, typically without persistent leaf bases, up to 1/ 2 height of plant; caudex stems absent or spreading; aerial flowering stems erect to spreading, slender, solid, not fistulose, 0.05-1.5 dm, lanate, tomentose, floccose, subglabrous, or glabrous. Leaves cauline, 1 per node or fasciculate; petiole 0.1-0.5 cm, tomentose to floccose or glabrous; blade usually elliptic, sometimes linear to obovate, 0.3-3.5 × (0.07-)0.1-1.2 cm, tomentose abaxially, less so or glabrous adaxially, margins occasionally revolute.  Inflorescences cymose, compact, often flat-topped, 0.5-6(-12) × 1-10(-13) cm; branches dichotomous, whitish-lanate to brownish-or reddish-tomentose to floccose or glabrate, infrequently green or gray and subglabrous or glabrous; bracts 3, scalelike, linear to triangular, 1-5 mm. Peduncles absent or mostly erect, slender, 0.3-1.5 cm, tomentose to floccose. Involucres 1 per node, turbinate, (1.5-)2-3.5(-4) × 1.3-2.5(-3) mm, tomentose, floccose, subglabrous, or glabrous; teeth 5, erect, (0.3-)0.5-1(-1.7) mm. Flowers 1.5-3(-4) mm; perianth yellow or white to pink, orange, rose, red, or occasionally cream, glabrous; tepals connate proximal 1/ 2/ 5, essentially monomorphic, oblong to obovate; stamens usually exserted, 2.5-4 mm; filaments sparsely to densely puberulent proximally. Achenes brown, 1.5-3 mm, glabrous.
Life form perennial
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system -
Rooting depth (meter) 2.0
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Sandy deserts to lower montane slopes, especially with sagebrush.
Light 7-8
Soil humidity 1-4
Soil texture 4-6
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses beverage medicinal
Edible -
Therapeutic use Urinary Aid (leaf), Tuberculosis Remedy (root), Cough Medicine (root), Tuberculosis Remedy (tuber), Cough Medicine (tuber), Antirheumatic (External) (unspecified), Orthopedic Aid (unspecified), Cough (unspecified), Tuberculosis (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, divisions or seedlings.
Mode cuttings divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Eriogonum microthecum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:30027437-2
WFO ID wfo-0000675088
COL ID 3B4QK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum intricatum Eriogonum microthecum Eriogonum spathulare Eriogonum idahoense Eriogonum microthecum var. friscanum Eriogonum microthecum var. idahoense Eriogonum microthecum subsp. intricatum Eriogonum microthecum var. rigidum Eriogonum microthecum subsp. rigidum Eriogonum microthecum subsp. spathulare Eriogonum microthecum var. spathulare Eriogonum microthecum var. microthecum

Lower taxons

Eriogonum microthecum var. ambiguum Eriogonum microthecum var. laxiflorum Eriogonum microthecum var. phoeniceum Eriogonum microthecum var. simpsonii