Zanonia indica subsp. indica

Zanonia indica L., Syst. Nat. ed. 10. 2: 1292 (1759);
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S. India, Sri Lanka as per POWO;
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Woody dioecious, perennial climbers; tendrils simple or bifid, elongate. Leaves 8-22 x 4-12 cm, ovate-oblong, base rounded, apex acute, subcoriaceous, trinerved; petiole 4-11 cm long. Flowers small, males arranged in lax pendulous panicles, females racemose. Male flowers: pedicels 4-5 mm long; sepals c. 2 mm long, ovate, acute; petals upto 3.5 x 1.5 mm, oblong, obtuse, buff-coloured. Female flowers: peduncles to 18 cm long; pedicels thick; sepals 3-4 x 3-4 mm, petals 5-7 x 3-4 mm; ovary 8-10 mm long, obconic-cylindric; ovules pendulous, 2-many in each locule; styles 3, apex bifid. Fruit 6-10 x 2.5-3 cm, elongate-cylindric, 3-valved at the truncate apex. Seeds 3-4 x 1-1.3 cm, oblong, compressed, surrounded by a large membranous wing.
Flowering and fruiting: October-November
Degraded forest areas
(Attributions: Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi as per India Biodiversity Portal)
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410 ID wild climber: 20 high res. images.
Please ID wild climber,
Location: near Vannappuram, Thodupuzha, Idukki Dist., Kerala PIN:685607
Altitude: 1500fsl
Flower date: 07JAN2023, 01.10pm
Habitat: wild moisture streamside rocky hill
Plant habit: climbing, branches, semi hard flexible cylindrical stem 03cm diameter, rough brown bark, rigid young stem, tendrils, numerous nice roots, long lasting
Supporting tree: Ficus
Height: 16 meters
Leaves: alternate, heart shaped/elliptic, soft flexible, smooth glossy, acute, size upto:18×9cm
Flower: axillary spike racemose on old stem, diameter:04mm, green, non fragrant
Fruit: pendulous cylindrical fleshy lengthy gourd, semi globular apex, green into brown, size:16×4cm
Seed:
Camera: CANON EOS1500D +FL10x