Skip to main content
This species is accepted, and its native range is W. Tanzania.
A specimen from Kew's Herbarium

[FTEA]

Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

Type
Type: Tanzania, Ufipa District: Sumbawanga, Nsanga Forest, Richards 12983 (K!, holo.; K!, iso.)
Morphology General Habit
Strongly unpleasantly aromatic shrubby herb to 3 m tall; stems erect, glabrous to sparsely puberulous
Morphology Leaves
Leaves with petiole up to 9 cm long, upper leaves sessile; lamina ovate to cordiform, largest 15–23 × 11–14 cm, apex drawn out into a cuspidate tip, base cuneate to cordate, often very unequal, margin very irregularly and coarsely crenate-dentate with small and large teeth, upper subentire, finely puberulous along veins, glabrous on lamina
Morphology Reproductive morphology Inflorescences
Panicle rather open, 20–30 cm long, with dense long purple eglandular hairs up to 7 mm long (some always over 3 mm long), also with purple puberulous hairs and scattered to dense stalked capitate glands; primary bracts green or purplish, ovate-cordiform or broadly so, from leaf-size to 10 × 7 mm near apex, puberulous and with scattered glands and long pilose hairs towards apex; secondary bracts greenish to purple, indumentum as panicle; pedicels 2–6 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx dark purple, with dense purple glands and long eglandular hairs up to 4 mm long; ventral and lateral lobes linear-lanceolate, tapering gradually, 12–15 mm long, dorsal oblong, 3–4 times wider than the rest, tapering, 16–19 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla rich bluish purple to brillant purple or royal blue, 40–50 mm long, with purple hairs; tube 10–12 mm long; lower lip 30–40 mm long, lobes ovate, rounded, 4–7 mm long
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments and style orange; anthers 8–9 mm long, hairy; staminodes ± 1 cm long, puberulous
Morphology Reproductive morphology Fruits
Capsule 37–42 mm long, the valves ± 6 mm wide, densely glandularpuberulous and with scattered eglandular hairs
Morphology Reproductive morphology Seeds
Seed ± 4 mm long
Ecology
Shaded places in dense montane forest; 1800–2200 m
Note
To me the specimens she cites are all typical B. cicatricosa. Sidwell (l.c., p. 95) claims to have seen several intermediates between this and B. cicatricosa.
Distribution
Range: Not known elsewhere Flora districts: T4

Native to:

Tanzania

Brillantaisia richardsiae Vollesen appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2013 Abeid, Y.S. [2965], Tanzania K000662485
Jan 1, 2008 Richards, H.M. [12983], Tanzania K000772599 holotype
Jan 1, 2008 Richards, H.M. [12983], Tanzania K000772601 isotype
Jan 1, 2008 Richards, H.M. [s.n.], Tanzania K001097303
Jan 1, 2008 Richards, H.M. [12983], Tanzania K000772600 isotype

First published in Fl. Trop. E. Africa, Acanth.(1): 161 (2008)

Accepted by

  • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0