Eriogonum lachnogynum Torr. ex Benth.

Woollycup buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, erect or matted, sometimes scapose, 1-3.5 × 1-2 dm or 0.05-0.2 × 0.5-3.5 dm, floccose or silky-tomentose, grayish. Stems spreading or matted, occasionally with persistent leaf bases, up to 4 or more height of plant; caudex stems matted; aerial flowering stems erect or nearly so, slender, solid, not fistulose, 1-2 dm and floccose, or (0.1-)0.02-0.5(-0.65) dm and silky-tomentose. Leaves basal, 1 per node or fasciculate in terminal tufts; petiole 0.1-2.5(-3) cm, tomentose to floccose; blade lanceolate or oblanceolate to narrowly elliptic, 1-2.5(-3) × 0.3-0.5(-0.8) cm, or 0.4-1.2 × 0.1-0.3(-0.35) cm, densely white-or silvery-tomentose on both surfaces, margins plane.  Inflorescences capitate, subcapitate, umbellate-cymose, or cymose, 2-20 × 2-20 cm, floccose or, if matted, 0.3-1 × 0.3-1 cm; branches open and divided 1-3 times, 2-20 cm, floccose or if matted, (0-)0.3-0.85 cm, silky-tomentose; bracts 3, scalelike, triangular, (0.5-)1-3 mm. Peduncles absent or erect, slender, 2-15 mm, floccose. Involucres 1 per node or 2-5 per cluster, broadly campanulate, 1.5-4 × (2-)3-6(-8) mm, tomentose; teeth 5, erect to spreading, 1-1.5 mm. Flowers 2.5-5(-6) mm; perianth yellow, densely white-pubescent; tepals connate proximal 1/ 3, monomorphic, lanceolate to broadly lanceolate; stamens exserted, 3.5-5 mm; filaments glabrous. Achenes brown to dark brown, 3-4 mm, villous to tomentose.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.35
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) 4-10

Usage

Uses medicinal
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 lachnogynum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:329714-2
WFO ID wfo-0000674996
COL ID 3B4R3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum lachnogynum Eriogonum tetraneuris Eriogonum lachnogynum subsp. tetraneuris Eriogonum lachnogynum var. lachnogynum

Lower taxons

Eriogonum lachnogynum var. sarahiae