Ixora coccinea L.

Common Name(s): Flame of the Woods, Iron Tree, Ixora
Bushy shrubs, spreading by root sprouts. Leaves opposite, 6-10 x 2.5-3 cm, elliptic to oblong, shortly acute at apex, round to slightly cordate at base, sessile, greenish on drying. Corymbs 5-8 cm across; peduncle and pedicels short. Calyx tube 0.18-0.2 cm long, puberulous without; lobes minute. Corolla scarlet; tube 3-3.5 cm long, puberulous without; lobes 0.8-1 x 0.4-0.5 cm. Stamens attached at throat; anthers 0.3-0.35 cm long. Ovary 0.1-0.2 cm across; style 3-3.5 cm long, exserted. Berry 0.6-0.8 cm diam., didymous; seeds 2, globose, 0.3-0.4 cm diam.

References
1. https://conservatoryofflowers.org/bloom/ixora-coccinea/
2. https://plants.ces.ncsu.edu/plants/ixora-coccinea/
3. https://indiabiodiversity.org/species/show/244744