Mitragyna tubulosa (Arn .) Hook.f.

Type
Indigenous
Family
Rubiaceae
Synonym
Nauclea tubulosa Arn.
Synonym_2
Stephegyne tubulosa (Arn.) Hook.f.
Local Name
Malamthumba
Local Name 2
Naikadambu
Habit
Medium sized tree
Botanical Features

Deciduous trees, bark greyish-green, smooth; blaze creamy yellow; branches horizontal. Leaves simple, opposite, decussate; stipules 8 mm long, interpetiolar, 0.8 cm long, oblong, obtuse; petiole 10-30 mm long, slender, glabrous; lamina 10-20 x 3.5-12.5 cm, ovate, elliptic, elliptic-ovate or ovate-oblong, base truncate, obtuse or attenuate, apex acute to acuminate, margin entire, glabrous, coriaceous; lateral nerves 7-12 pairs, pinnate, flower purplish-pink, 10-12 mm long, in terminal heads; fruit a capsule, ovoid, ribbed, yellowish-brown, in globose heads ca. 2 cm across; seeds many, minute, winged.