Eriogonum giganteum S.Watson

St. catherine's lace (en), Ériogone géant (fr)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Shrubs, round to erect, 3-20(-35) × (3-)5-20(-35) dm, tomentose to floccose or glabrate, grayish to reddish. Stems spreading to erect, occasionally with persistent leaf bases, up to 4 or more height of plant, often with a distinct main trunk up to 1 dm thick; caudex stems absent; aerial flowering stems erect to spreading, slender to stout, solid, not fistulose, 1-4 dm, tomentose to glabrate. Leaves cauline, 1 per node; petiole 0.5-4 cm, tomentose; blade oblong-ovate to ovate or lanceolate to narrowly oblong, 2.5-7(-10) × 1-5 cm, white-tomentose abaxially, sometimes slightly less so or cinereous to somewhat glabrate and greenish adaxially, margins plane, sometimes crisped.    Inflorescences cymose, open or compact, 5-30 × (2-)5-50(-80) cm; branches dichotomous, tomentose to floccose or glabrate; bracts 3, scalelike, broadly triangular, and 1-2 mm, or leaflike, oblanceolate to elliptic, and 5-30 mm. Peduncles absent or erect, slender, 0.1-0.5 cm, tomentose. Involucres 1 per node, campanulate, 3-5 × 2.5-4 mm, tomentose; teeth 5, erect, 0.3-0.8 mm. Flowers 2-4 mm; perianth white to rose, white-villous abaxially; tepals connate proximal 1/ 4, monomorphic, obovate; stamens exserted, 2-4 mm; filaments pilose proximally. Achenes brown, 2-3.5 mm, glabrous.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 3.5
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

Light 7-9
Soil humidity 1-3
Soil texture 5-6
Soil acidity -
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Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Images

Flower

Eriogonum giganteum flower picture by Liz Pucket (cc-by-sa)
Eriogonum giganteum flower picture by Catherine Ellacer (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:694175-1
WFO ID wfo-0000674848
COL ID 3B4P9
BDTFX ID 83633
INPN ID 717176
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum giganteum var. giganteum Eriogonum giganteum subsp. giganteum Eriogonum giganteum

Lower taxons

Eriogonum giganteum var. compactum Eriogonum giganteum var. formosum