Eriogonum mancum Rydb.

Imperfect buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, matted, scapose, 0.5-1(-1.3) × 1-2 dm, tomentose, grayish. Stems spreading, with persistent leaf bases, up to 5 height of plant; caudex stems matted; aerial flowering stems scapelike, weakly erect to erect, slender, solid, not fistulose, 0.1-0.9(-1.2) dm, tomentose.  Leaves basal, fasciculate in terminal tufts; petiole 0.5-1 cm; blade oblanceolate to spatulate or ovate, 0.5-1.5(-1.8) × (0.2-)0.3-1 cm, densely grayish-tomentose on both surfaces, margins plane. Inflorescences capitate, 0.8-1.2 cm; branches absent; bracts 3-5, scalelike, triangular, 1-3 mm. Peduncles absent. Involucres 2-5 per cluster, cam-panulate, 2-3(-3.5) × 2-3.5(-4) mm, membranous, tomentose; teeth 5, erect, 0.4-0.8 mm. Flowers 2-3 mm; perianth cream to pink or rose, glabrous or sparsely pilose, pustulose; tepals connate proximal 1/ 1/ 3, monomorphic, oblong; stamens exserted, 2-2.5 mm; filaments pilose proximally. Achenes light brown, (2-)2.5-3 mm, glabrous except for minutely papillate beak.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
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 -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:95157-2
WFO ID wfo-0000675074
COL ID 3B4RY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriogonum mancum Eriogonum chrysocephalum subsp. mancum