Eriogonum crosbyae Reveal

Crosby's buckwheat (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Eriogonum

Characteristics

Herbs, matted, scapose, 0.05-1.5(-2) × (0.1-)1-3 dm, floccose to tomentose or glabrous, sometimes glandular, greenish or grayish. Stems mat-ted, 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, 0.02-1.5(-1.8) dm, floccose to tomentose or glabrous, occasionally also or only sparsely to densely glandular.  Leaves basal, fasciculate in terminal tufts; petiole 0.2-3(-3.5) cm, tomentose, infrequently glandular; blade oblanceolate to spatulate or elliptic to obovate or ovate, (0.5-)1-2(-3) × 0.2-1(-1.5) cm, densely white-or grayish-tomentose on both surfaces, sometimes less and greenish white adaxially, margins plane.  Inflorescences capitate, 0.7-1.5 cm; branches absent; bracts 3, narrowly triangular to triangular, scalelike, 1-3 mm. Peduncles absent. Involucres (3-)5-8 per cluster, turbinate to campanulate, (1.5-)2-5(-5.5) × 2-4(-4.5) mm, rigid or membranous, tomentose to floccose, occasionally glabrous except for floccose teeth, rarely sparsely pilose and glandular; teeth 5-7, erect to spreading or reflexed, 0.5-1.5 mm. Flowers 1.5-3.5(-4) mm, glabrous or occasionally minutely glandular, pustulose in some; perianth yellow to pale yellow or, rarely, cream; tepals connate proximal 4-3, monomorphic, oblong to oblong-obovate; stamens exserted, 1.5-4 mm; filaments glabrous or sparsely pilose proximally. Achenes light brown, 2-4 mm, glabrous or sometimes with minute bristles on beak. 2n = 40.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.18 - 0.23
Root system -
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-8
Soil humidity 2-3
Soil texture 5-6
Soil acidity 5-8
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 crosbyae world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:94842-2
WFO ID wfo-0000674661
COL ID 3B4M2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriogonum crosbyae Eriogonum verrucosum Eriogonum meledonum Eriogonum capistratum var. muhlickii Eriogonum capistratum var. welshii Eriogonum ochrocephalum var. alexandrae Eriogonum capistratum