Nauclea orientalis (L.) L.

Common Name: Leichhardt Tree
Family: Rubiaceae Juss.

Country of Origin: Trop. Asia to N. Australia
Habitat: eastern and northern woodlands, also into tropical rainforest areas

Description: Growing to around 50 ft (15 m), this widely distributed tree has a conical shape and spreading branches. Its bark is deeply furrowed and the heart-shaped, deep green leaves are up to 10 in (25 cm) long. If there is a shortage of water, the tree may drop its leaves. Attractive yellow flowers are borne in clusters during late spring and summer.

USDA Zone: 11-12

Accession Data:

Accession # 199800135
Source: Tim Devine - CSU Chico
Accession Date: 09-17-1998
Bench: 1206 - AUS:East Bench NN
- Currently: active - healthy
- Qty: 1 confirmed on 02-26-2025

Classification:

Division: Magnoliophyta
Class: Magnoliopsida
SubClass: euasterid I
Order: Gentianales
SubOrder:
Family: Rubiaceae
SubFamily: Cinchonoideae
Tribe: Naucleeae
SubTribe:

Flowering Data:

This accession has been observed in bloom on:

Year	Jan				Feb				Mar					Apr				May				Jun					Jul				Aug				Sep					Oct				Nov				Dec
2025

References (internal):

EEB Greenhouse Holdings native to: Bangladesh / Sri Lanka / Cambodia / Myanmar / Thailand / Vietnam / Borneo / Jawa / Lesser Sunda Is. / Maluku / Philippines / Sulawesi / Sumatera / Bismarck Archipelago / New Guinea / Solomon Is. / Northern Territory / Queensland

References (external):

Botanica, Turner & Wasson, 1997, CD-ROM Version
The Plant List (2013). Version 1.1. 9 March 2015.
WCSP (2015). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew.

data regenerated on Wed, 26 Feb 2025 11:51:12 -0500 [bcm v4.0]