Eriogonum effusum Nutt.

Spreading buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Shrubs, spreading, not scapose, (1.5-)2-5(-7) × 5-15 dm, grayish-to reddish-brown-tomentose to floccose and gray or, rarely, thinly floccose and greenish. Stems spreading to erect, typically without persistent leaf bases, up to 1/ 2 height of plant; caudex stems absent; aerial flowering stems erect to spreading, slender, solid, not fistulose, 0.3-0.8 dm, floccose or glabrous. Leaves cauline, 1 per node; petiole 0.2-0.7 cm, tomentose to floccose; blade oblanceolate to oblong or obovate, (1-)1.5-3 × (0.2-)0.3-0.7 cm, densely white-tomentose abaxially, white-floccose to glabrate or green and glabrous adaxially, margins plane. Inflorescences cymose, 10-30(-40) × 10-40 cm; branches dichotomous, white-floccose to glabrate or subglabrous; bracts 3, scalelike, triangular, 0.5-2(-5) mm. Peduncles absent or mostly erect, slender, 0.3-2.5 cm, floccose. Involucres 1 per node, turbinate, 1.5-2.5(-3) × 1-2 mm, tomentose to floccose; teeth 5, erect, 0.3-0.6 mm. Flowers 2-4 mm; perianth yellow, glabrous; tepals connate proximal 1/ 4, essentially monomorphic, elliptic to obovate; stamens mostly exserted, 2-4.5 mm; filaments sparsely pilose proximally. Achenes brown, 2-2.5 mm, glabrous.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 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) 4-9

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 -

Images

Eriogonum effusum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:694133-1
WFO ID wfo-0000674733
COL ID 3B4N2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum effusum Eriogonum myrianthum Eriogonum effusum var. contortum Eriogonum microthecum var. effusum Eriogonum microthecum subsp. myrianthum Eriogonum effusum var. effusum