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This species is accepted, and its native range is Burundi to W. Tanzania.


Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Flora of Tropical East Africa. 2009

Type: Burundi, Kitega, Elskens 234 (BR!, holo.)
Morphology General Habit
Aromatic perennial herb with several stems arising from a thick woody rootstock, ± 25 cm tall
Morphology Stem
Stems erect, quadrangular or rounded-quadrangular, sparsely branched, pubescent with antrorse, appressed hairs
Morphology Leaves
Leaves spreading, with apical portion slightly deflexed, petiolate; blade often folded along midvein, broadly ovate, 1–2.5 × (0.4–)1–1.5 cm, entire, revolute, apex obtuse or shortly apiculate, base broadly cuneate, glabrous or with a few scattered hairs, glandular-punctate; petiole 1–2 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence lax with 6-flowered verticils 0.5–10 mm apart, with buds not always maturing into flowers; bracts 1–1.5 mm long, erect above forming an inconspicuous terminal coma, soon deciduous, the scar developing into a bowl-shaped nectary; pedicels 1.5 mm long, spreading, slightly flattened
Morphology Reproductive morphology Flowers Calyx
Calyx 4 mm long at anthesis, pubescent and with sessile glands; posterior lip purplish, obovate, mucronate at apex; lateral lobes of anterior lip truncate, densely ciliate, ± fimbriate towards subulate-aristate median lobes; fruiting calyx not seen
Morphology Reproductive morphology Flowers Corolla
Corolla pinkish, 7–8 mm long; tube 4–5 mm long, slightly curved, dorsally gibbous, abruptly dilating at throat; lobes of posterior lip entire or toothed; anterior lip concave around filaments
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens exserted 10–12 mm
Morphology Reproductive morphology Fruits
Nutlets pale brown, broadly ovoid, 1.5–2 mm long, smooth, producing mucilage when wet.
Grassland prone to burning; ± 1500 m
Least concern
Most similar to O. decumbens but differing in having weakly revolute leaf margins.
Range: Burundi Flora districts: T1 T4

Native to:

Burundi, Tanzania

Ocimum urundense Robyns & Lebrun appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Tanner, R. [5227], Tanzania K000434807
Auquier, P. [4388], Burundi K000434863
Van der Ben, D. [1629], Burundi K000434864
Reekmans, M. [7082], Burundi K000434865
Verdcourt, B. [2868], Tanzania K000434806

First published in Rev. Zool. Bot. Africaines 16: 371 (1928)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Paton, A.J., Bramley, G., Ryding, O., Polhill, R., Harvey, Y., Iwarsson, M., Willis, F., Phillipson, P., Balkwill, K., Lukhoba, C., Otiend, D & Harley (2009). Lamiaceae (Labiatae) Flora of Tropical East Africa: 1-430.


Flora of Tropical East Africa

  • Holm & Hiltunen, Ocimum: 34 (1999).
  • Rev. Zool. Bot. Afr. 16: 371 (1928)

Flora of Tropical East Africa
Flora of Tropical East Africa

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.