Juglans hindsii (Jeps.) Jeps. ex R.E.Sm.

Northern california walnut (en)

Species

Angiosperms > Fagales > Juglandaceae > Juglans

Characteristics

Trees , 6-23 m. Bark light or medium gray, split into smooth or ± scaly plates. Twigs with distal edge of leaf scar shallowly to deeply notched, not bordered by well-defined band of pubescence; pith light brown. Terminal buds ellipsoid to oblong, flattened, 6-8 mm. Leaves 22-45 cm; petiole 3-8 cm. Leaflets 13-21, narrowly triangular to lanceolate, symmetric or weakly falcate, (5.6-)7.3-13 × (1-)1.9-2.8 cm, margins serrate, apex acuminate; surfaces abaxially glabrous or with sparse glands, sparse glands and few capitate-glandular hairs scattered along major veins, fasciculate hairs conspicuously tufted in axils of proximal veins, sometimes also on adjacent blade and edges of midrib, adaxially glabrous or with scattered scales, major veins glabrous or with sparse scattering of glands and few capitate-glandular hairs, without nonglandular hairs; terminal leaflet well developed. Staminate catkins 6-15 cm; stamens 20-40 per flower; pollen sacs 1-1.4 mm. Fruits 1-2, globose, 3.5-5 cm; nuts ovoid to ovoid-globose, 2.4-3.2 cm, smooth or nearly so or shallowly and indistinctly ridged or grooved.
More
A medium sized tree. It grows 15 m high. It spreads about 15 m wide. The leaves are oval to sword shaped. They are made up of 15 to 19 leaflets. The leaves are 30 cm long. The fruit are round and 25 mm across. They are covered with fine hairs.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 15.0
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a warm temperate plant. It grows naturally in California in the USA. It suits hardiness zones 8-10. Arboretum Tasmania.
More
Rocky and gravelly well-drained soils, by the coast, along rivers and streams and occasionally to the slopes of Napa range
Light 7-9
Soil humidity 4-7
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-9

Usage

The seeds are eaten raw. They are also dried and stored for later use.
Uses dye eating environmental use food gene source material ornamental rootstock shade timber wood
Edible fruits nuts seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs stratification.
Mode seedlings
Germination duration (days) 30 - 180
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -12
Optimum temperature (C°) 14
Size -
Vigor -
Productivity -

Images

Juglans hindsii unspecified picture

Distribution

Juglans hindsii world distribution map, present in Armenia, Georgia, United States of America, and South Africa

Conservation status

Juglans hindsii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:442366-1
WFO ID wfo-0001067435
COL ID 8V93P
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Juglans hindsii Juglans californica var. hindsii