Sahyadri Wild Bean is a twining herb with stem
slender, 2-3 m long, densely covered with 3.5-4 mm long, yellowish
brown hairs. Leaves are 3-foliolate, 15-30 cm long including 9-14 cm
long leaf-stalk; leaf-stalks densely covered with 2.5-3 mm long
yellowish brown hairs; axis 2-2.3 cm long; stipules elliptic, 1.3-1.5 x
0.35-0.45 cm, peltate. Leaflets are membranous, velvet-hairy with 1-2
mm long white hairs; end leaflet narrowly ovate to rhomboidal,
11.5-12.5 x 6.5-7.5 cm, blunt or rounded at base, pointed at tip;
lateral leaflets obliquely ovate, 10-11 x 6-7 cm. Flowers are borne in
20-22-flowered racmes in leaf axils, flower-cluster-stalks slender,
15-21 cm long. Flowers are creamy to yellow. Sepal-cup bell-shaped,
2.5-3 mm long; tube 2-2.5 mm long; sepals fringed with hairs at
margins. Standard is asymmetric, obliquely and transversely broadly
elliptic, 6-8 x 11-13 mm, notched at tip; claw about 0.4 mm long; ear
about 12 mm long; right wing petal concealing the upper portion of the
keel petals; blade obliquely obovate, 8-10 x 5-7 mm; left wing petal is
spreading; blade obliquely obovate to elliptic, 8-10 x 5-6 mm. Keel
petals are spirally incurved to left; 1.8-2 cm long; horn-like pocket
on the left keel petal 3.5-4.5 mm long. Pistil is 1.5-1.7 cm long,
style thread-like, 1.1-1.2 cm long. Pods are linear, cylindrical, 6-6.5
x 0.4-0.5 cm, covered with 1.8-2 mm long brown hairs when young and
turning brownish white or white when mature; seeds 10-15.
Sahyadri Wild Bean is found in Maharashtra, Northern Western Ghats.
Flowering: August-November.
Identification credit: Aakash Raut, Nitin Gore
Photographed at Bavdhan, Pune.
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The flower labeled Sahyadri Wild Bean is ...