Bullockia mombazense (Baill.) (Bridson) Razafim., Lantz & B. Bremer

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Synonyms: Canthium diplodiscus (K. Schum.) Bullock
Canthium greenwayi Bullock
Canthium inopinatum Bullock
Canthium mombazense Baill.
Canthium pallidum (K. Schum.) Bullock
Plectronia diplodiscus K. Schum.
Plectronia pallida K. Schum.
Common names:
Status: Native
Compact, sometimes straggling, shrub or small tree, rarely a liana; bark pale grey, hairless, or occasionally pubescent. Leaves broadly elliptic to round or broadly oblong-elliptic, 2.2–13 × 1–7.5 cm, often one in opposite pair larger than the other, drying pale greyish to bronze above, obtuse to rounded at both base and apex, hairless or sometimes pubescent beneath; lateral nerves in 4 main pairs; domatia absent or inconspicuous; petiole 2–10 mm long; stipules ovate or sometimes narrowly ovate, 4–16 × 2–10 mm, acuminate, light brown when dry. Flowers functionally unisexual, 5–6-merous, male flowers borne in 3–20-flowered, sessile or rarely shortly pedunculate umbels; female flowers solitary; pedicels hairless or sometimes pubescent, 3–7 mm long in male flowers and up to 10 mm long in female flowers. Calyx tube reduced in male flowers, 1.75–2.5 mm long in female flowers. Corolla whitish or yellowish-green, short-lived; tube c. 1.5 mm long with a ring of deflexed hairs at the throat inside; lobes triangular-ovate, 1.25–1.5 mm wide at base, often with a few hairs at the apex outside, erect. Fruit flattened obovoid, 7–12 mm long, not indented at the apex, dark maroon when mature; calyx lobes persistent; pedicel lengthening to 20 mm.
Derivation of specific name: mombazense: of Mombasa in Kenya where the type specimen was collected.
Habitat: On calcareous soil
Altitude range: 250 - 300 m
Flowering time:
Worldwide distribution: Somalia, Kenya, Tanzania and northern Mozambique.
Mozambique distribution: N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Bridson, D.M. (1998). Rubiaceae, Part 2 Flora Zambesiaca 5(2) Pages 334 - 335. as Canthium mombazense

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 919. As Bullockia mombazensis (Includes a picture).

Other sources of information about Bullockia mombazense:

External websites:

African Plants: A Photo Guide (Senckenberg): Bullockia mombazense
African Plant Database: Bullockia mombazense
BHL (Biodiversity Heritage Library): Bullockia mombazense
EOL (Encyclopedia of Life): Bullockia mombazense
GBIF (Global Biodiversity Information Facility): Bullockia mombazense
Google: Web - Images - Scholar
iNaturalist: Bullockia mombazense
IPNI (International Plant Names Index): Bullockia mombazense
JSTOR Plant Science: Bullockia mombazense
Mansfeld World Database of Agricultural and Horticultural Crops: Bullockia mombazense
Plants of the World Online: Bullockia mombazense
Tropicos: Bullockia mombazense
Wikipedia: Bullockia mombazense

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Mozambique: Species information: Bullockia mombazense.
https://www.mozambiqueflora.com/speciesdata/species.php?species_id=172080, retrieved 2 June 2023

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