Salix humilis var. tristis Griggs

Prairie willow (en)

Variety

Angiosperms > Malpighiales > Salicaceae > Salix > Salix humilis

Characteristics

Low to mid shrubs, 0.3-1 m. Stems decumbent; branches tomentose, peeled wood smooth or striate, striae sparse, to 2 mm; branchlets yellow-brown. Leaves: stipules absent or rudimentary on late ones; petiole 0.5-3(-6) mm, velvety or villous adaxially; largest medial blade narrowly oblong, narrowly elliptic, oblanceolate, or obovate, (13-)20-50(-70) × 3-13 mm, 2.3-9 times as long as wide, margins strongly revolute, abaxial surface hairs gray throughout, adaxial slightly glossy, moderately densely tomentose; proximal blade margins entire. Catkins: staminate 6.5-13.5 × 5-10 mm, flowering branchlet 0-1 mm; pistillate 11-17.5 × 5.5-12 mm, flowering branchlet 0-1.5 mm; floral bract 0.8-1.4 mm. Staminate flowers: filaments glabrous or hairy basally. Pistillate flowers: ovary pyriform; ovules 6 per ovary; stigmas 0.2-0.24-0.32 mm. Capsules 5-9 mm.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 1.0
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 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use Oral Aid (root), Pediatric Aid (root), Reproductive Aid (root), Venereal Aid (root), Gynecological Aid (unspecified), Analgesic (unspecified), Antidiarrheal (unspecified), Eye Medicine (unspecified), Febrifuge (unspecified), Hunting Medicine (unspecified), Other (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -33
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Salix humilis var. tristis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:225908-2
WFO ID wfo-0000930694
COL ID 5RB4X
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Oisodix oblongifolia Salix villosa Salix muehlenbergiana Vimen muhlenbergiana Salix tristis Salix tristis var. microphylla Salix humilis var. microphylla Salix humilis var. tristis