Albizia saman (Jacq.) F.Muell.,Select. Extra-Trop. Plants: 27 (1891)
Species named after its local name "Zamang", meaning Mimosoid tree in some Caribean languages.
Acacia propinqua A.Rich.
Albizzia saman (Jacq.) Merr.
Calliandra saman (Jacq.) Griseb.
Enterolobium saman (Jacq.) Prain
Feuilleea saman (Jacq.) Kuntze
Inga cinerea Willd.
Inga salutaris Kunth
Inga saman (Jacq.) Willd.
Mimosa pubifera Poir.
Mimosa saman Jacq.
Pithecellobium cinereum Benth.
Pithecellobium saman(Jacq.) Benth.
Pithecellobium saman var. saman
Samanea saman (Jacq.) Merr.
Zygia saman (Jacq.) A.Lyons
Tree to 25 m, with a large crown spreading to
33 m in a complete canopy, diameter to at least 100
cm. Bark finely closely fissure-d, light
grey or greyish brown. The sapwood is whitish,
the heartwood dark chocolate-brown.
Branchlets puberulous to tomentose. Leaves:
rachis to 40 cm, with gland(s) just below the junction
of the basal pair of pinnae and distally at all
other pairs of pinnae, circular, concave, sessile,
c. 0.5 mm in diameter; pinnae 3-9 pairs, to 11
cm, with glands at the junctions of the leaflets;
leaflets 2-10 pairs per pinna, asymmetrically,
ovate, elliptic or subrhomboid, base half rounded/
half truncate, apex rounded or obtuse, often emarginate
and mucronulate; main vein diagonal, lateral
veins densely reticulate, raised, upper surface glabrous,
lower surface densely short-pubescent. Inflorescence:
peduncles densely shortly yellowish
pubescent, 2-5 together in the distal leaf-axils,
5-10 cm long, bearing a terminal corymb. Marginal
flowers c. 3 cm, pedicellate; calyx funnel shaped,
5-7 mm, tomentose or woolly; teeth
broadly triangular, acute, 0.5-1 mm; corolla red or
yellowish-red, funnel-shaped, c. 10-12 mm, distal
part tomentose or woolly; lobes triangular-ovate,
c. 2 mm; stamens white at base, purple toward the
top, 20-35 mm, tube shorter than the corolla-tube;
ovary sessile, glabrous. Central flower sessile; corolla
to 12 mm; staminal tube longer than the corolla.
Pod black, oblong, 15-20 by 1.5-2.3 cm,
inside transversely septate. Seeds brown, elliptic,
strongly biconvex, c. 8 by 5 by 4 mm; areole
elliptic, c. 7 by 3 mm. [from Flora Malesiana]
Sandy, coastal areas; along roadsides, often planted; altitude 0-1800 m.
During the night, and when the sky is overcast during the day, the leaves are hanging
loosely down as in most other Mimosoids, hence its popular name Rain Tree. Another explanation
for the name is the excretion of sugar-rich juice by extrafloral nectaries, which drops from the
trees like rain.
The 'Rain Tree' is widely cultivated as
an ornamental and together with the 'Ramboyant'
(Delonix regia Raf.) belongs to the most common
street trees; both are characterized by a broad umbrella-
shaped crown. A good honey plant. Pods
used as fodder for cattle, pigs and goats. The wood
is used for furniture, general construction, boxes,
crates etc., but is not durable.
Native of northern tropical South America, now planted and appearing spontaneous
all over the tropics.
English: saman, rain tree, monkey pod, giant thibet, inga saman, cow tamarind, East Indian walnut,
French: arbre a (la) pluie (rain tree).
Hindi: vilaiti siris.
Indonesian/Malay: pukul lima (five o'clock tree, in Malaysia), pokok hujan (rain tree).
Kannada: Bhagaya mara.
Malayalam: chakkarakkay maram.
Marathi: vilayati shirish (exotic shirish).
Spanish: cenizaro, acacia preta, arbol de lluvia (rain tree), genizaro.
Sundanese: ki hujan (rain tree).
Tamil: thoongu moonji maram (sleepy tree).
Telugu: nidra ganneru.
Thai: dsha:m-dshu-ri:, jamjuree.
Vietnamese: cong, muong tim, cay mua (rain tree).