Eriogonum davidsonii Greene

Davidson's buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, erect, 1-5 dm, glabrous, greenish to grayish. Stems: aerial flowering stems erect, 0.5-1.5(-2) dm, glabrous. Leaves basal; petiole 1-5 cm, floccose; blade round to reniform, (0.3-)1-2(-4) × (0.3-)1-2(-4) cm, densely white-tomentose abaxially, floccose to glabrate and mostly greenish adaxially. Inflorescences cymose, occasionally distally uniparous due to suppression of secondary branches, open, 5-40 × 5-35 cm; branches straight or nearly so, infrequently inwardly curved distally, glabrous; bracts 1-3 × 1-2 mm. Peduncles absent. Involucres appressed to branches, cylindric-turbinate, 3-4 × 2-2.5 mm, glabrous; teeth 5, erect, 0.2-0.3 mm. Flowers 1.5-2 mm; perianth white to pink or red, rarely yellow, glabrous; tepals monomorphic, oblong-obovate; stamens included, 1-1.5 mm; filaments pilose proximally. Achenes brown, 3-gonous, 2 mm. 2n = 40.
More
A herb. It grows 10-50 cm tall. The leaves are at the base. The leaves are round to kidney shaped and 1-2 cm long by 1-2 cm wide. They have a white coating. The flowering stems are 5-15 cm long. The dry fruit is 3 sided and 2 mm across.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.5
Root system -
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows between 900-2,600 m above sea level.
Light 7-9
Soil humidity 1-3
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

The seeds are pounded into a meal and eaten dry.
Uses food medicinal
Edible seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Eriogonum davidsonii unspecified picture

Distribution

Eriogonum davidsonii world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:290124-2
WFO ID wfo-0000674676
COL ID 6GRBL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum davidsonii Eriogonum juncinellum Eriogonum baileyi var. davidsonii Eriogonum molestum var. davidsonii Eriogonum vimineum var. davidsonii Eriogonum vimineum var. glabrum Eriogonum vimineum subsp. juncinellum