| Dicotyledon | Literature for Samanea saman
Lorence & Wagner, 2020. |
| Fabaceae -- The Pea Family | Bibliography |
| Samanea saman | |
Common name(s): `ohai, monkeypod, pu `ohai, rain tree |
| General Information | ||
|---|---|---|
| Distribution | Native to the Neotropics from Mexico to Peru and Brazil, now widely cultivated throughout the tropics.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i. | |
| Habit |
Tree to 25 m tall, with a broad, spreading, flat topped crown, bark gray, rough, furrowed into thin plates. |
|
| Leaves |
Leaves petiolate, 18‒30 cm long, 15‒28 cm wide, with (2)4‒7 pairs of pinnae; leaflets 2‒10 pairs per pinna, asymmetrical, obliquely ovate to subrhombic with a diagonal midrib, 1.5‒6 cm long, 0.7‒4 cm wide, adaxial surface glossy and glabrous, abaxial surface puberulent to velvety puberulent; petiole 5‒9 cm long; stipules ovate, ca. 4 mm long, densely puberulent, deciduous. |
|
| Flowers |
Inflorescences solitary or sometimes in loose racemes, heads globose, 2‒2.5 cm in diameter (excluding stamens), peduncle 4.5‒6 cm. Flowers ca. 12‒14 mm long, central one larger; calyx green, 6.5‒7.5 mm long; corolla pink with green lobes, 10‒13 mm long; stamens to 30 mm long, pink-red distally, white basally. |
|
| Fruit |
Fruit black or dark brown, sausage-shaped and succulent when young, with sweet, sticky flesh surrounding seeds when mature, sutures thickened, (9‒)13‒20 cm long, 1.5‒2.5 cm wide, irregularly constricted, indehiscent. |
|
| Seeds |
Seeds transversely arranged, ca. 9 mm long, 5 mm in diameter, slightly laterally flattened, with a central areole and pleurogram ca. 7 mm long and 3 mm wide. |
|
| Chromosomes |
2n = 26. |
|
| Contributor |
Nancy Khan |
