Plant Details

Juglans microcarpa

Texas Walnut, Little walnut, Stewart's little walnut

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Explore the size, hardiness, soil, light, edible uses and harvest period of Juglans microcarpa.

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Common names

18 names · 10 languages
EnglishYour language
  • Little black walnut[1]
  • Little walnut[1]
  • river walnut[1]
+3 more namesShow fewer names
  • Stewart's little walnut
  • Texas black walnut[1]
  • Texas Walnut[1]
Other languages (9)
Dutch
  • Texaanse walnoot
French
  • Noyer du Texas
Chinese (Simplified)
  • 小果胡桃[1]
Czech
  • ořešák drobnopldý[1]
Estonian
  • kalju-pähklipuu[1]
  • väikeseviljane pähklipuu[1]
German
  • Felsennuss[1]
  • Kleinfruchtige Walnuss[1]
  • Texanische Walnuss[1]
Russian
  • Орех мелкоплодный[1]
Slovak
  • orech drobnoplodý[1]
Spanish
Sources & name notes (1)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Juglans microcarpa — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy; common-name attestation, not an independent botanical determination.

Source records
  • nogal — results[0].names[1]; taxon id 164249; Juglans microcarpa.
  • Little Walnut — results[0].names[2]; taxon id 164249; Juglans microcarpa.
  • Texas black walnut — results[0].names[3]; taxon id 164249; Juglans microcarpa.
  • Little black walnut — results[0].names[4]; taxon id 164249; Juglans microcarpa.
  • väikeseviljane pähklipuu — results[0].names[5]; taxon id 164249; Juglans microcarpa.
  • kalju-pähklipuu — results[0].names[6]; taxon id 164249; Juglans microcarpa.
  • ořešák drobnopldý — results[0].names[7]; taxon id 164249; Juglans microcarpa.
  • Орех мелкоплодный — results[0].names[8]; taxon id 164249; Juglans microcarpa.
  • Texas walnut — results[0].names[9]; taxon id 164249; Juglans microcarpa.
  • river walnut — results[0].names[10]; taxon id 164249; Juglans microcarpa.
  • 小果胡桃 — results[0].names[11]; taxon id 164249; Juglans microcarpa.
  • orech drobnoplodý — results[0].names[12]; taxon id 164249; Juglans microcarpa.
  • Kleinfruchtige Walnuss — results[0].names[13]; taxon id 164249; Juglans microcarpa.
  • Texanische Walnuss — results[0].names[14]; taxon id 164249; Juglans microcarpa.
  • Felsennuss — results[0].names[15]; taxon id 164249; Juglans microcarpa.

General information

Scientific name: Juglans microcarpa
Accepted name (Kew): Juglans microcarpa Berland. View name reference ↗

Accepted in the cited Kew taxonomic treatment.

Sources [1]
Botanical family: Juglandaceae

Kew's family placement for the genus Juglans (WCVP v16).

Sources [1]
Also known as: Texas Walnut, Little walnut, Stewart's little walnut
Images: Google Images

Plant characteristics

Layer: Nut tree
Catalogue size class: Large
Height: 10.00 m
Spread: 10.00 m
Growth rate: Moderate
Foliage: Deciduous

Growing conditions

USDA hardiness: 5-9
Soil moisture:
Moist
Soil:
Sand (light) Loam (medium) Clay (heavy)
pH:
Acidic Neutral Alkaline
Light:
Full sun

Uses

Edible parts:
Oil, Seed
Edibility rating:
(2)
Medicinal rating:
(0)
Functions:
Dye, Herbicide, Oil, Wood

Description

Seeds - raw. The seeds are small and have a sweet and oily taste, but they have a thick shell. They are among the smallest seeds in this genus. An edible oil is extracted from these seeds, but it can spoil quickly.

Harvest

Harvest starts: 01/10
Harvest ends: 15/11

Crown

Crown shape: Broad pyramidal
Crown density: Dense crown

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Royal Botanic Gardens, Kew World Checklist of Vascular Plants, version 16, extracted 4 June 2026
    Supports: Botanical familyTaxonomy
    Relevant sections
    • Botanical family: WCVP v16, wcvp_names.csv row 36332; name ID 2331809; Juglans L.. Family column.
    • Taxonomy: WCVP v16, wcvp_names.csv row 36405; name ID 2331862; Juglans microcarpa Berland..

    Source checked on .

    Source data licence: CC BY 3.0.