Salix ovalifolia Trautv.

Oval-leaf willow (en)

Species

Angiosperms > Malpighiales > Salicaceae > Salix

Characteristics

Plants 0.02-0.05 m, not clonal or forming clones by layering. Stems trailing; branches yellow-brown, gray-brown, or red-brown, glabrous or hairy; branchlets yellow-green, yellow-brown, or red-brown, glabrous or pilose. Leaves: stipules usually absent or rudimentary, rarely foliaceous; petiole (deeply to shallowly grooved adaxially), 1.1-16 mm, (glabrous); largest medial blade hypostomatous, narrowly to broadly elliptic, circular, subcircular, or obovate, 13-46 × 7-20 mm, 1-3.4 times as long as wide, base subcordate, cordate, rounded, or convex, margins slightly revolute or flat, entire, sometimes ciliate, apex convex, rounded, acuminate, acute, or retuse, abaxial surface glabrous, villous, long-silky, pubescent, or pilose, hairs wavy or straight, adaxial highly glossy, usually glabrous; proximal blade margins entire; juvenile blade (reddish or yellowish green), pilose, villous, or long-silky abaxially. Catkins: staminate 4.8-46 × 5-11 mm, flowering branchlet 1.5-24 mm; pistillate moderately densely flowered, stout, subglobose, globose, or slender, 6.3-50 × 5-28 mm, flowering branchlet 2.5-22 mm; floral bract brown, greenish, or bicolor, 1.2-2 mm, apex rounded, entire or, sometimes, 2-fid, abaxially hairy, hairs straight or wavy. Staminate flowers: abaxial nectary 0.6-1 mm, adaxial nectary oblong or ovate, 0.6-1.6 mm, nectaries distinct or connate and cup-shaped; filaments distinct or connate less than 1/2 their lengths (glabrous); anthers elliptic, short-cylindrical, or globose, 0.3-0.5(-0.6) mm. Pistillate flowers: abaxial nectary (0-)0.4-0.6 mm, adaxial nectary longer than stipe; stipe 0.2-1.4 mm; ovary obclavate or pyriform, glaucous or not, usually glabrous or tomentose, sometimes pubescent or villous, beak abruptly tapering to styles; ovules 10-15 per ovary; styles 0.2-0.8 mm; stigmas flat, abaxially non-papillate with pointed tip, or slenderly cylindrical, 0.32-0.41-0.64 mm. Capsules 5.2-9.6 mm. 2n = 38.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.05
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 -
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

Salix ovalifolia world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:778368-1
WFO ID wfo-0000929966
COL ID 79DQC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Salix flagellaris Salix cyclophylla Salix ovalifolia Salix ovalifolia subsp. cyclophylla Salix ovalifolia var. ovalifolia

Lower taxons

Salix ovalifolia var. glacialis Salix ovalifolia var. arctolitoralis