| Dicotyledon | Literature for Thevetia peruviana
Wagner et al., 1991; Smith, 1988; Lorence & Wagner, 2020. |
| Apocynaceae -- The Dogbane, Milkweed Family | Bibliography |
| Thevetia peruviana | |
Common name(s): be-still tree, lucky nut, nohomalie, yellow oleander |
| General Information | ||
|---|---|---|
| Distribution | In the Hawaiian Islands, naturalized on Midway, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui. | |
| Habit |
Shrub or small tree, 3‒7 m tall. |
|
| Leaves |
Leaves spirally arranged, glabrous, subsessile; blade + coriaceous, adaxial surface lustrous, abaxial surface pale, linear lanceolate, 10‒15 cm long, 0.5‒1 cm wide. |
|
| Flowers |
Inflorescences usually a terminal, bracteate cyme of 3–4 flowers, peduncle ca. 1 cm long. Flowers with narrowly triangular calyx lobes 5‒7 mm long; corolla bright yellow, broadly funnelform, the tube and throat 2.7‒3.3 cm long, lobes 3.5‒5 cm long, apex obtuse to truncate. |
|
| Fruit |
Fruit brown to black when ripe, rhomboid, flattened, wider than long, 2.5 cm long, 4 cm wide. |
|
| Seeds |
Seeds 2(‒4), 1 cm long. |
|
| Chromosomes |
2n = 18, 20, 22. |
|
| Notes |
All parts of the plant are poisonous and contain thevetin (a glucoside). |
|
| Contributor |
David Lorence |
