Eriogonum incanum Torr. & A.Gray

Frosted buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, matted, dioecious, 0.5-3 × 1-4 dm wide, tomentose to floccose. Stems: caudex spread-ing; aerial flowering stems erect or nearly so, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, nonflowering aerial branches, 0.1-2(-2.5) dm, tomentose to floccose. Leaves in loose to congested basal rosettes; petiole (0.3-)0.5-1 cm, tomentose; blade oblong to oblong-ovate or spatulate, 0.5-1.5 × 0.3-0.7 cm, densely white-or grayish-tomentose on both surfaces, sometimes greenish adaxially, margins entire, plane. Inflorescences capitate and 0.5-2 cm wide, mature pistillate plants open and umbellate, 1-3 × 1-4 cm; branches tomentose to floccose; bracts 2-6, leaflike, 0.1-0.5 × 0.1-0.3 cm, often absent immediately below involucre. Involucres 1 per node but occasionally appearing congested, turbinate-campanulate, 2.5-3 × 2-2.5 mm, tomentose; teeth 5-8, erect, 0.5-1 mm. Flowers stipelike base 0.5-1 mm; perianth yellow, glabrous; staminate flowers 2-3 mm, tepals ovate; pistillate flowers 4-6 mm, tepals oblanceolate, often becoming reddish in fruit; stamens exserted, 2-3 mm; filaments pilose proximally. Achenes light brown to brown, 3-3.5 mm, glabrous except for sparsely pubescent beak.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
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) -

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

Leaf

Eriogonum incanum leaf picture by Haggard Stacey (cc-by-sa)

Flower

Eriogonum incanum flower picture by Haggard Stacey (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:95059-2
WFO ID wfo-0000674942
COL ID 3B4QL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum incanum Eriogonum marifolium var. incanum Eriogonum ursinum var. rosulatum Eriogonum rosulatum